Langan Engineering and Environmental Services Company

Founded in 1970 and headquartered in Parsippany, N.J., Langan (www.langan.com) provides integrated site engineering and environmental consulting services for land development projects, corporate real estate portfolios, and the energy sector. Langan employs more than 1,000 professionals and has regional offices in New Jersey, New York, Pennsylvania, Connecticut, Massachusetts, Virginia, Washington, DC, Ohio, Florida, Texas, Arizona, and California. With more than 100 LEED APs, the firm ranks among the top Design Firms by Engineering News-Record and has consistently ranked among the Best Engineering Firms to Work For by CE News.