EMCOR Services Betlem has been in the facilities management business for over 100 years, maintaining facilities, designing, building, and servicing HVAC, refrigeration, controls, ductwork, and piping systems for new construction, renovation, and retrofit projects. As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success.