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AECOM leads New Jersey’s construction management sector with 560 employees and 45 construction project managers. The company, established in 1990 but with acquired firms throughout New Jersey dating back to 1965, operates from Piscataway and manages commercial, heavy civil infrastructure, industrial, institutional and residential projects.

Jingoli-DCO ranks second with 486 employees. Founded in 1922, the Lawrenceville-based firm focuses on commercial, environmental, heavy civil infrastructure, industrial and institutional construction. Structure Tone/RC Andersen/LF Driscoll Healthcare employs 380 people and specializes in commercial projects from its Woodbridge location.

Environmental specialist Mott MacDonald, operating since 1866, maintains 377 employees in Iselin. Boswell Inc., established in 1924, employs 300 people in South Hackensack and handles environmental and heavy civil infrastructure projects.

The industry demonstrates diversity in specialization. Companies like HNTB Corp. focus on heavy civil infrastructure with 247 employees, while DPR Construction concentrates on commercial and institutional projects with 200 employees. Several firms, including T&M Associates and Torcon Inc., manage multiple construction types across commercial, industrial, institutional and residential sectors.

Firms range from century-old companies like Wm. Blanchard Co., founded in 1860, to newer entrants like Partner Engineering & Science Inc., established in 2006. The construction management sector employs thousands across New Jersey, with companies handling projects from environmental remediation to infrastructure development.

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Claude.ai assisted with the creation of this article based on NJBIZ data.