Dynamic Systems, Inc.NewMechanical Contractor Shop QC Technician Dynamic Systems, Inc.Mechanical Contractor Shop QC TechnicianDallas, TXObserve and monitor production operations and equipment to ensure proper assembly of parts or assist in testing and monitoring activities. • Maintain welding documentation including, weld logs, welding procedures, and welder qualifications.
HITT ContractingCommercial Construction Senior Superintendent - Healthcare & Life Sciences HITT ContractingCommercial Construction Senior Superintendent - Healthcare & Life SciencesDallas, TXEnsure complete, accurate daily documentation of work orders/tickets, understanding subcontractor scope of work to avoid unnecessary change orders, and identifying problems early and act immediately to provide solutions. provides leadership and serves as the liaison between project team members to promote the interest of both the business and clients in all matters, as well as demonstrate the characteristics of a mid-level leader.
HITT ContractingCommercial Construction Senior Superintendent - Industrial/Advanced Manufacturing HITT ContractingCommercial Construction Senior Superintendent - Industrial/Advanced ManufacturingDallas, TXEnsure complete, accurate daily documentation of work orders/tickets, understanding subcontractor scope of work to avoid unnecessary change orders, and identifying problems early and act immediately to provide solutions. provides leadership and serves as the liaison between project team members to promote the interest of both the business and clients in all matters, as well as demonstrate the characteristics of a mid-level leader.
HITT ContractingCommercial Construction Senior Superintendent - Mission Critical HITT ContractingCommercial Construction Senior Superintendent - Mission CriticalDallas, TXEnsure complete, accurate daily documentation of work orders/tickets, understanding subcontractor scope of work to avoid unnecessary change orders, and identifying problems early and act immediately to provide solutions. provides leadership and serves as the liaison between project team members to promote the interest of both the business and clients in all matters, as well as demonstrate the characteristics of a mid-level leader.
HITT ContractingCommercial Construction Superintendent - Mission Critical HITT ContractingCommercial Construction Superintendent - Mission CriticalDallas, TXEnsure complete, accurate daily documentation of work orders/tickets, understanding subcontractor scope of work to avoid unnecessary change orders, and identifying problems early and act immediately to provide solutions. The Superintendent provides leadership and serves as the liaison between project team members to promote the interest of both the business and clients in all matters, as well as demonstrate the characteristics of a mid-level leader.
HITT ContractingCommercial Construction Superintendent - Healthcare & Life Sciences HITT ContractingCommercial Construction Superintendent - Healthcare & Life SciencesDallas, TXEnsure complete, accurate daily documentation of work orders/tickets, understanding subcontractor scope of work to avoid unnecessary change orders, and identifying problems early and act immediately to provide solutions. The Superintendent provides leadership and serves as the liaison between project team members to promote the interest of both the business and clients in all matters, as well as demonstrate the characteristics of a mid-level leader.
HITT ContractingCommercial Construction Superintendent HITT ContractingCommercial Construction SuperintendentDallas, TXEnsure complete, accurate daily documentation of work orders/tickets, understanding subcontractor scope of work to avoid unnecessary change orders, and identifying problems early and act immediately to provide solutions. The Superintendent provides leadership and serves as the liaison between project team members to promote the interest of both the business and clients in all matters, as well as demonstrate the characteristics of a mid-level leader.
HITT ContractingCommercial Construction Senior Superintendent HITT ContractingCommercial Construction Senior SuperintendentDallas, TXEnsure complete, accurate daily documentation of work orders/tickets, understanding subcontractor scope of work to avoid unnecessary change orders, and identifying problems early and act immediately to provide solutions. provides leadership and serves as the liaison between project team members to promote the interest of both the business and clients in all matters, as well as demonstrate the characteristics of a mid-level leader.
HITT ContractingCommercial Construction Superintendent - Industrial/Advanced Manufacturing HITT ContractingCommercial Construction Superintendent - Industrial/Advanced ManufacturingDallas, TXEnsure complete, accurate daily documentation of work orders/tickets, understanding subcontractor scope of work to avoid unnecessary change orders, and identifying problems early and act immediately to provide solutions. The Superintendent provides leadership and serves as the liaison between project team members to promote the interest of both the business and clients in all matters, as well as demonstrate the characteristics of a mid-level leader.
HITT ContractingCommercial Construction Assistant Project Manager HITT ContractingCommercial Construction Assistant Project ManagerDallas, TXGather data, interpret it into meaningful information, and relay that information through clear, concise communication strategies; ability to see how pieces and processes fit into and affect the bigger picture/business model. An Assistant Project Manager (APM) obtains, evaluates, coordinates and distributes the information and authorizations necessary to construct projects on time, within budget and to the quality specified.
HITT ContractingNewCommercial Construction Project Engineer - 2026 HITT ContractingCommercial Construction Project Engineer - 2026Dallas, TXMaster required job-specific and technical skills in order to promote to an assistant superintendent or assistant project manager following the 12-month training program including, but not limited to, the ability to: Set up and maintain jobsite office and all jobsite records, including project directory, construction documents, subcontractor directory, daily reports, submittal logs, RFI logs, subcontractor correspondence, etc. Ability to learn sector- and project-specific software systems, including but not limited to: Microsoft Office 365 (Project, Excel, Word, Outlook, PowerPoint, etc.), ProCore, Adobe Suite, BlueBeam, and JD Edwards software suite .
HITT ContractingCommercial Construction Assistant Superintendent HITT ContractingCommercial Construction Assistant SuperintendentDallas, TXThe Assistant Superintendent (Assistant Supt.) supports managing work flow consistent with the project schedule, communicates project priorities to field staff and subcontractors, maintains daily log/report of all activities and site conditions, and manages the punch list and closeout process through owner/architect acceptance. Ensure complete, accurate daily documentation of work orders/tickets, understand subcontractor scope of work to avoid unnecessary change orders, and identify problems early and act immediately to provide solutions.
HITT ContractingCommercial Construction Senior Project Manager - Healthcare & Life Sciences HITT ContractingCommercial Construction Senior Project Manager - Healthcare & Life SciencesDallas, TXEvery day, our team members do amazing things in pursuit of our shared purpose to build trust with our clients, partners, subcontractors, and teammates. The Senior Project Manager’s role is to effectively manage both small and large scale projects from discovery and design to development and implementation.
HITT ContractingCommercial Construction Senior Project Manager HITT ContractingCommercial Construction Senior Project ManagerDallas, TXEvery day, our team members do amazing things in pursuit of our shared purpose to build trust with our clients, partners, subcontractors, and teammates. The Senior Project Manager’s role is to effectively manage both small and large scale projects from discovery and design to development and implementation.
Nao NowGlobal English Teacher (Online – Independent Contractor) Nao NowGlobal English Teacher (Online – Independent Contractor)Dallas, TXRemoteFounded by Ivy League graduates, we combine structured curriculum with interactive tools and gamified learning to help children build confidence and communication skills in English. No lesson planning is required — your role is to bring energy, clarity, and encouragement to each session while helping students build confidence in spoken English.
Elan PartnersSenior Project Manager General Contractor/Construction (Data Center Projects) - Can reside anywhere in the US Elan PartnersSenior Project Manager General Contractor/Construction (Data Center Projects) - Can reside anywhere in the USFrisco, TXWe are partnering with a leading, fully integrated design-build and construction firm to identify an experienced Senior Project Manager to lead complex, large-scale data center projects from inception through completion. The ideal candidate has a proven track record operating as a General Contractor (GC), including direct experience supporting data center facility design and construction, and has led the full project lifecycle—from subcontractor buyout through final turnover.
AMERICAN DIRECT LOGISTICSNewFinal Mile Delivery & Assembly Independent Contractor AMERICAN DIRECT LOGISTICSFinal Mile Delivery & Assembly Independent ContractorFort Worth, TX$500–$1,500 / weekAmerican Direct Logistics, a National Final Mile Delivery and Assembly company, is currently looking for independent contractors with the ability to deliver and install RTA furniture and fitness equipment. If you currently provide these services, this is an excellent opportunity to add additional revenue to your weekly earnings.
US Tech Solutions, Inc.Data Engineer Sr - Contractor US Tech Solutions, Inc.Data Engineer Sr - ContractorFarmers Branch, TX$60–$60 / hourMust Have Skills: Strong hands-on experience designing and operating high-volume, enterprise OLTP databases supporting mission-critical transactions. Owns significant components of the database platform (specific schemas/domains, key performance areas, or HA/DR operational ownership) with minimal guidance.
Diversified Technology, Inc.Identity Management Contractor Diversified Technology, Inc.Identity Management ContractorPlano, TXDTI supports organizations across SLED (state & local government and education), financial services, Fortune enterprises, and public utilities, and regularly partners with Big 4 Systems Integrators on complex technology programs and large-scale digital transformation initiatives. This role will focus on implementing and maintaining Identity and Access Management (IAM) solutions within a Google Cloud Platform (GCP) environment, ensuring secure and efficient access control while supporting application onboarding in a regulated enterprise environment.
Associated Services InspectionsDallas, TX - Loss Control Field Inspector – Independent Contractor Associated Services InspectionsDallas, TX - Loss Control Field Inspector – Independent ContractorDallas, TX$45–$65ASI's inspection professionals serve a wide range of property types, including commercial buildings, residential properties, and farm & ranch operations, offering thorough assessments supported by high‑resolution images and clear reporting. Associated Services Inspections, Ltd. is a premier commercial and residential inspection company that has provided honest, trusted, and highly detailed inspection services since 1981.
Dynamic SystemsNewMechanical Contractor Shop QC Technician Dynamic SystemsMechanical Contractor Shop QC TechnicianDallas, TXObserve and monitor production operations and equipment to ensure proper assembly of parts or assist in testing and monitoring activities. • Maintain welding documentation including, weld logs, welding procedures, and welder qualifications.
DH Pace Company, Inc.New Construction Commercial Sales-Selling to General Contractors! DH Pace Company, Inc.New Construction Commercial Sales-Selling to General Contractors!Dallas, TXFull timeDH Pace Company Inc. aspires to hire an Outside Sales Representative in Coppell, TX who will have sales responsibility for new construction sales for the commercial construction side of our business specializing in commercial sectional & rolling door products, loading dock equipment, and high- speed doors. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.
Royal ElectricChief Estimator - Electrical Contractor Royal ElectricChief Estimator - Electrical ContractorDallas, TX$150,000–$200,000At Royal Electric Company we provide expert electrical design, construction, and service with builders, contractors and facility owners who value relationships, trust, expertise, and a commitment to each other towards achieving exceptional results. Support project teams in resolving challenges and conflicts with clients and subs by identifying concerns and facilitating meaningful conversations to create a unified game plan for the project.
Backyard DiscoveryIndependent Contractors Home Product Assembly-Dallas, TX Backyard DiscoveryIndependent Contractors Home Product Assembly-Dallas, TXDallas, TXContractor shall provide professional assembly and installation services for Backyard Discovery outdoor products, including but not limited to wooden playsets, swing sets, and related structures, at residential locations designated by Backyard Discovery. Backyard Discovery is seeking independent installation contractors anywhere in the lower 48 states of the united states to assemble and install residential outdoor play equipment.
American Logistics AuthorityFreight Dispatcher (Independent Contractor) — $1,800 to $4,500+ Weekly Potential American Logistics AuthorityFreight Dispatcher (Independent Contractor) — $1,800 to $4,500+ Weekly PotentialDallas, TXRemote$1,800–$4,500Experience in dispatching, brokerage, customer service, or similar communication-based roles is beneficial but not required. Earnings are commission-based, and income depends on efficiency, negotiation skill, and carrier volume.
American Logistics AuthorityOWNER-OPERATOR DRIVERS – ALL TRAILER TYPEIllinoisS (1099 Independent Contractor) American Logistics AuthorityOWNER-OPERATOR DRIVERS – ALL TRAILER TYPEIllinoisS (1099 Independent Contractor)Dallas, TXWe are actively contracting motivated Owner-Operator drivers with their own authority to run consistent freight across multiple trailer types. Our dispatch team brings 30+ years of real-world transportation and logistics experience across local, regional, and over-the-road operations.
Ameriship Parcel DeliveryCourier/Independent Contractor Ameriship Parcel DeliveryCourier/Independent ContractorRichardson, TX$400–$1,300 / weekAmeriship Parcel Delivery is a medical overnight and courier delivery service in Texas, Oklahoma, Arizona, Missouri, Kansas, Florida, Colorado, Georgia and Illinois. Drivers should be highly energetic, competent, and self-motivated individuals with a good sense of direction and excellent customer service skills.
Ameriship Parcel DeliveryCourier/Independent contractor Ameriship Parcel DeliveryCourier/Independent contractorRichardson, TX$400–$1,300 / weekAmeriship Parcel Delivery is a medical overnight and courier delivery service in Texas, Oklahoma, Arizona, Missouri, Kansas, Florida, Colorado, Georgia and Illinois. Drivers should be highly energetic, competent, and self-motivated individuals with a good sense of direction and excellent customer service skills.
Seasoned RecruitmentNewRemote Teletherapist (1099 Contractor) Seasoned RecruitmentRemote Teletherapist (1099 Contractor)McKinney, TXRemoteCore Requirements for Candidacy: We are looking for elite clinicians who meet the following strict criteria: Current, unrestricted license to practice as a Clinical Psychologist in the U.S. Proven expertise in delivering therapy and assessments effectively in a virtual format. Seasoned Recruitment invites highly experienced, licensed clinical psychologists to join a revolutionary, nationwide mental health network.
Hancock Claims Consultants TechniciansField Roof Inspector (Independent Contractor) – Deployment Opportunities Nationwide Hancock Claims Consultants TechniciansField Roof Inspector (Independent Contractor) – Deployment Opportunities NationwideDallas, TXHancock Claims Consultants is a national leader in Ladder Assist and Property Inspection Services, partnering directly with top insurance carriers to deliver fast, accurate, and reliable field inspections. Scope of Work: - Perform on-site inspections of residential and commercial properties, including: • Steep and high roofs (primary focus).
General Logistics Carrier LLCIndependent Contractor – Sprinter Van Owner-Operator General Logistics Carrier LLCIndependent Contractor – Sprinter Van Owner-OperatorFlower Mound, Texas$7,000–$14,000General Logistics Carrier LLC is currently seeking reliable Owner-Operators with Sprinter Vans and Cargo Vans for consistent nationwide freight opportunities. General Logistics Carrier LLC works with independent owner-operators who are looking for steady freight and long-term cooperation.
General Logistics Carrier LLCNewIndependent Contractor/Owner Operator Sprinter/Cargo Van General Logistics Carrier LLCIndependent Contractor/Owner Operator Sprinter/Cargo VanHaltom City, Texas$8,000–$14,000General Logistics Carrier is seeking reliable Owner-Operator truck drivers to join our team! We require a minimum dimension of your vehicle (cargo space):Length - 100 inches.
Delta-T Group Inc.Special Education Teacher - Immediate Needs!- Up to $50/hour Delta-T Group Inc.Special Education Teacher - Immediate Needs!- Up to $50/hourNorth Richland Hills, TexasEvaluate special education student performance in accordance with the system used by the school and/or District; promote student achievement; ensure that progress is being made toward IEP goals and objectives; make related reports to parents, the principal and/or Special Education administration as prescribed or authorized. *Participate with other special education staff as appropriate to evaluate the special education needs of a student and to develop an Individual Education Plan (IEP) to meet the student's needs; implement these plans in accordance with special education state and federal legal requirements and district practice.
AGM Tech Solutions, LLCData Engineer Sr - Contractor AGM Tech Solutions, LLCData Engineer Sr - ContractorFarmers Branch, TXMUST HAVE SKILLS: " Strong hands-on experience designing and operating high-volume, enterprise OLTP databases supporting mission-critical transactions. " Owns significant components of the database platform (specific schemas/domains, key performance areas, or HA/DR operational ownership) with minimal guidance.
AMERICAN SYSTEMSContractor SAP Security Officer (CSSO) AMERICAN SYSTEMSContractor SAP Security Officer (CSSO)Dallas, TexasThis role functions as the contractor counterpart to a Government Special Security Officer (GSSO) or Program Security Manager (PSM) and is responsible for the day-to-day management, oversight, and execution of the SAP security program in a complex, multi-program environment. Overview: The Contractor Special Security Officer (CSSO) serves as the lead on-site contractor security authority for all Special Access Program (SAP) matters supporting the Advanced Sensor Systems Naval Detachment.
K2 StaffingSheet Metal Estimator (Mechanical Contractor) K2 StaffingSheet Metal Estimator (Mechanical Contractor)Dallas, TEXASThe ideal candidate will be responsible for accurately estimating the cost, resources, and time required for sheet metal projects within the mechanical contracting sector. Education: High school diploma or equivalent required; Bachelor’s degree in Construction Management, Engineering, or a related field preferred.
Handyman Connection of McKinney, TXPainter Independent Contractor Handyman Connection of McKinney, TXPainter Independent ContractorMcKinney, TX$35–$50 / hourHandyman Connection is here to take care of "the other stuff" so you can spend your time doing work and earning money. Work on Home Improvement projects for residents in McKinney, Frisco, Allen and the surrounding area.
Roman Catholic Diocese of DallasNewCase Manager, Non-exempt (Contractor) Roman Catholic Diocese of DallasCase Manager, Non-exempt (Contractor)Dallas, TexasContractorFunctions as Case Manager to the Tribunal and provides support services to the Tribunal under the direction of the Director in order to fulfill the Mission of the Tribunal, which is the adjudication of petitions for invalidity of marriage (about 650 a year); supervision of dispensations/permissions for the celebration of marriages in the church (about 1,250 a year), and canonical research. 1437; 1473; 1474, §1; 1475, §2; 1503, §2; 1561; 1567; 1568; 1569; 1605; 1630, §2; 1664), in revisions to the 1983 Code of Canon Law under Mitis Iudex Dominus Iesus (cc.1671-1691), in Dignitas Connubii (aa.
K2 Staffing, LLCNewSheet Metal Estimator (Mechanical Contractor) K2 Staffing, LLCSheet Metal Estimator (Mechanical Contractor)Dallas, TXJob Description Job Description Position Title: Sheet Metal EstimatorDepartment: EstimatingReports To: Senior Estimator / Estimating ManagerLocation: Dallas, TXEmployment Type: Full-TimePosition Summary: We are seeking a detail-oriented and experienced Sheet Metal Estimator to join our team. The ideal candidate will be responsible for accurately estimating the cost, resources, and time required for sheet metal projects within the mechanical contracting sector.
Handyman Connection of McKinney, TXHome Improvement Contractor Handyman Connection of McKinney, TXHome Improvement ContractorMcKinney, TX$40–$60 / hourHandyman Connection is here to take care of "the other stuff" so you can spend your time doing work and earning money. Work on Home Improvement projects for residents in McKinney, Frisco, Allen and the surrounding area.
Quaker EldonCommercial Sales Representative - TX/OK Quaker EldonCommercial Sales Representative - TX/OKDallas, TX$100,000–$150,000 / yearYou'll play a key role in building relationships, driving specifications, and supporting customers across contractors, glazing partners, architects, and commercial dealers. As a nationwide leader in window and door manufacturing for over 75 years, our employees don't just work together at Quaker-we grow, innovate, and succeed together.
Astanza LaserNewIndependent Sales Representative - Skincare Sales Astanza LaserIndependent Sales Representative - Skincare SalesDallas, TXThis is a 1099 independent contractor opportunity ideal for experienced aesthetic, skincare, medical device, or beauty industry sales professionals who already have relationships within the professional aesthetics market and are looking to expand their portfolio with a differentiated skincare brand. Designed to support the skin before, during, and after aesthetic treatments, Dermalosophy helps practices build comprehensive skincare routines that support barrier function, hydration, radiance, and long-term patient satisfaction.
FluorElectrical Construction Manager FluorElectrical Construction ManagerDallas, TXPerforming Additional Construction Related Services- Services may include but not limited to; Maintaining marked up sets of project plans and specifications for future as-built drawings; performing routine inspections of construction as work proceeds, taking action to identify work that does not conform to the contract requirement, and notifying the VA and general contractor when work requires correction; compiling, thorough site inspections, lists of defects and omissions related to the work performed and providing these lists to the contractor for correction; monitoring project financial data and budgetary cost accounting; assisting in relocation efforts; administration of construction contract change orders (preparing cost estimates, reviewing cost proposal); Submittal Review; Request for Information Review and Responses; Daily Logs of Activity; coordination of Owner supplied equipment; Operational and Maintenance data; Closeout Submittals and other services as may be required by the VA. Monitoring Project Financial Data and Budgetary Cost Accounting - Services may include monitoring and review budgetary cost accounting; administration of construction contract change orders; maintaining spread sheets indicating project funds allowances, obligations, payments, balances, planned expenditures, etc., assist in the documentation of the administration of construction contract change orders (preparing cost estimates, reviewing cost proposal, preparing change order packages for the Contracting Officer).
Sevan Multi-Site Solutions, Inc.Traveling Construction Superintendent Sevan Multi-Site Solutions, Inc.Traveling Construction SuperintendentDallas, TX$90,000–$120,000 / yearSevan Multi-Site Solutions is a veteran-owned business that provides construction, program management, real estate & site development, and architecture & engineering services for restaurant, grocery, fuel and convenience store, retail, and government sectors nationwide. Recent honors include 12 consecutive years as a Great Place to Work®, placement on ENR's national Program and Construction Management rankings, recognition as one of America's Safest Companies for 2025, and the 2025 Platinum HIRE Vets Medallion Award.
DAS Technology ServicesDAS Construction Manager DAS Technology ServicesDAS Construction ManagerRichardson, TX$100,000–$110,000This position requires regular travel to project sites and strong coordination with customers, vendors, and internal project teams to successfully deliver DAS deployments. The DAS Construction Manager is responsible for overseeing the planning, coordination, installation and execution of Distributed Antenna Systems (DAS) construction projects.
Vertiv Group Corp.Site Manager (Remote Positon) Vertiv Group Corp.Site Manager (Remote Positon)Dallas, TXRemoteWork with Client's site operations and Client's General Contractor, supporting trades, and consultants to ensure punch list, substantial completion and final completion process is completed through the onsite construction management team. Work and coordinate with the Vertiv equipment technicians and third-party equipment technicians to assist the Client and Clients General Contractor and Commissioning Consultant during the Level 2 and 3 Equipment startup, L4 Functional Testing and L5 Integrated Systems Testing.
Allsearch RecruitingTraveling Site Supervisor - Banking Industry Construction - Base Salary to 90k/year - Dallas, TX Allsearch RecruitingTraveling Site Supervisor - Banking Industry Construction - Base Salary to 90k/year - Dallas, TXDallas, TX$75,000–$90,000 / yearThis role is ideal for a hands-on Working Superintendent/Site Supervisor with a background in commercial carpentry and interior construction, who is comfortable managing subcontractors while also supporting field execution when needed. Supervise day-to-day jobsite operations on commercial construction projects (bank branches, tenant improvements, and ground-up builds) .
Digital Realty TrustDirector, Global Construction Site Physical Security Digital Realty TrustDirector, Global Construction Site Physical SecurityDallas, TX$150,000–$187,000 / yearPlatformDIGITAL®, the company’s global data center platform, provides customers with a secure data meeting place and a proven Pervasive Datacenter Architecture (PDx®) solution methodology for powering innovation and efficiently managing Data Gravity challenges. Lead construction site security risk assessments and coordinate responses to incidents or credible threats in partnership with regional security teams, DE&C, and contractors.
Reimagine ResourcesCommercial Fitness Solutions Sales Rep Construction and GC Reimagine ResourcesCommercial Fitness Solutions Sales Rep Construction and GCCoppell, TXRemoteReimagine Resources is a values-driven fitness resources services company offering full gym design, commercial fitness equipment procurement and sales, installation, service, asset management, and warranty management to commercial spaces across the US and beyond. Position Summary: Own end-to-end Construction and GCs fitness solutions from your local base: Sell wellness suite upgrades (strength + cardio + recovery) for construction companies and general contractors.
Path ConstructionSenior Project Manager - Construction Path ConstructionSenior Project Manager - ConstructionDallas, TXDuties for Senior Project Managers include: Leading and managing a project team in building successful projects, cost control for full P+L responsibility, managing day-to-day activities of subcontractors and suppliers, contract administration, procurement, estimating, pay requests, change orders, requests for information, cost control, scheduling, tracking submittals, safety controls, maintaining and delivering a high level of quality. Our expertise is very diverse and includes experience on small and large projects of many different types, including but not limited to: healthcare, hospitality, higher education, multi-family, self-storage, senior living, transportation, water and waste treatment, convention centers, laboratories, and correctional.