Listen to this articleLangan Engineering and Environmental Services Inc. ranked first among engineering firms based on the number of New Jersey-licensed industry professionals, according to the latest NJBIZ data. Headquartered in Parsippany, the company employs 488 workers, with 150 in-state licensed engineers.
AECOM held the second position in the rankings. Samuel Donelson, Scott Cortese and Melissa Saunders manage operations at the Piscataway-based firm. The company employs 560 people and maintains 96 engineers with licenses.
HNTB Corp. ranked third. Founded in 1914, the company employs 282 employees, with 85 engineers. Headquartered in Parsippany, the firm specializes in architectural, civil, construction, electrical, environmental, geotechnical, structural, transportation, water and wastewater.
Mott MacDonald took the fourth position. Based in Iselin, the company maintains 81 engineers with licenses. The firm traces its founding to 1866 and works in civil, electrical and mechanical sectors.
Dewberry rounds out the top five on the list, which includes 24 companies. Anthony Fulco, Lisa Peterson and Ileana Ivanciu lead operations at the Bloomfield-based company. The firm employs 241 people and has 80 engineers with licenses.
Comcast Business and Provident Bank are Premium Publication Sponsors of NJBIZ’s 2025 Book of Lists. Connell Foley LLP is the Chapter Sponsor of the Professional Services chapter.
Go to the NJBIZ Leads & Data Center to download the complete Engineering Firms list or any other NJBIZ list. Subscribe to NJBIZ’s Leads & Data to gain year-round access to the data from NJBIZ lists.
Claude.ai assisted with the creation of this article based on NJBIZ data.
