Teams here span civil and structural engineers, architects, environmental scientists, construction managers, and program management professionals who engage with complex, consequential projects from major airport expansions to large-scale energy infrastructure. Headquartered in Kansas City, Missouri, and operating from 75 offices across the country and internationally, the firm has grown to more than 14,500 employee-owners generating over $7.4 billion in annual revenue, serving sectors including energy, aviation, water, telecommunications, transportation, and healthcare.