Gilmore & Associates Inc

Founded in 1946, CH2M Hill is one of the global leaders in full-service consulting, design, design-build, operations and program management. Based in Philadelphia, Pa., the firm's work is concentrated in the areas of water, transportation, environmental, energy, power, facilities and infrastructure. It provides a number of services, such as environmental management, applied science laboratory, energy management, industrial safety and construction management. CH2M Hill has clients in the government, civil, energy and industrial sectors and is an Equal Opportunity Employer.

Urban Engineers is an engineering services company located in Pennsylvania. The company offers a variety of services to its clients that include transportation, such as aviation, public transportation, railroads, ports and marines, traffic and ITS, bridge design, bridge inspection, highways and streets and 3-D modeling and visualizations; facilities and building systems that include civil and site development, mechanical and electrical protection, plumbing and fire protection and structural engineering; construction services, such as cost estimating, construction management, construction inspection, claim litigation support, John H. Robinson Testing company and scheduling; environmental services; planning and GIS; and program management, such as construction cost compliance and national construction consulting. Urban Engineers has office locations in New York, Pennsylvania, Connecticut, New Jersey, Delaware and Maryland.

Tantala Associates, LLC operates as a multi-disciplined consulting engineering firm that began operations in 1966. The firm is a provider of personalized services and solutions to meet the varied needs of its clients. It specializes in offering services in numerous practice areas, which include civil, structural, geotechnical, site development, risk management, transportation and consulting, among others. Based in Philadelphia, PA., Tantala Associates, LLC also offers design as well as research services to its vast client base.