Pennoni Associates

Carroll Engineering Corporation has grown to become one of the largest engineering-consulting firms in the greater Philadelphia area. The company provides professional services to a wide range of public, private, authority and municipal clients in the region. Carroll offers its clients expertise in 13 key departmental areas, including civil engineering, construction management, environmental engineering, GIS and IT, golf course consulting, landscape architecture, municipal engineering, planning and site design, structural engineering, surveying, traffic and transportation engineering, wastewater engineering and water facilities engineering. Departments within the firm consult each other to provide seamless engineering services. The firm employs more than 125 people across southeastern Pennsylvania at offices in Warrington, Collegeville and Coatesville.

Founded in 1970, Langan Engineering and Environmental Services is one of the leading geotechnical firms in the United States. It specializes in microbial investigation, environmental site assessment and remedial engineering design services. The company offers a variety of land surveying services, such as master plan mapping, construction monitoring, aerial ground control, residential surveying and deformation studies. Its clients include Atlantic Bank of New York, Robert Martin Company, Liberty Science Center, Witco Company and Universal Foods Corporation. The company also provides environmental compliance services, such as wastewater permitting, storage tank closure, facility compliance audits and industrial waste management. In addition, it offers sustainable development services, including air quality assessments, wildlife habitat evaluations, wetland mitigations and feasibility studies. Headquartered in Elmwood Park, N.J., the company has locations in Philadelphia, Warrington, Pa., and New Haven, Conn.

Wyle has been providing a range of engineering, scientific and technical support services for more than 50 years. It maintains a staff of more than 4,000 employees at over 40 facilities nationwide. The company offers systems engineering, cost estimation, and calibration and metrology management services. Wyle also provides case management and equipment maintenance management services. It offers independent acquisition, analysis and engineering services. In addition, the company provides acoustics research and consulting services. Wyle offers pilot and air crew maintenance services. It provides commercial spaceflight training services. The company offers a variety of control systems and software products. Wyle maintains one of its locations in Warminster, Pa.