We are an award-winning consulting firm providing a diverse range of engineering solutions to projects relating to soil, water and the environment. Established in 1976, Duffield Associates has grown into 100 employees including over 90 individuals in the professional and technical fields of civil engineering, environmental services, geotechnical engineering, water resources, marine structures and so much more. Our size allows us to have experts from many disciplines who know each other on a personal level. It's an increasingly rare trait, and something we at Duffield Associates are extremely proud of.
Thornton Tomasetti offers a range of engineering solutions throughout the world. The company has offices throughout the United States, as well as in Asia and Europe. It employs a staff of more than 550 people and undertakes projects for buildings and special structures. The company serves clients in the education, transportation, aviation, hospitality, entertainment and commercial sectors. Thornton Tomasetti offers deconstruction engineering and architectural services. The company also handles a variety of renovation and rehabilitation projects. It conducts vibration, specialty skin and vulnerability analysis. Thornton Tomasetti s project portfolio includes the Johns Hopkins Hospital New Clinical Building and Emeryville City Hall.
Founded in 1915, Black & Veatch Holding Company is one of the leading global engineering, consulting and construction companies in the United States. The company specializes in infrastructure development of energy, water, telecommunications, consulting and environmental markets. It also offers a series of services, such as asset management, climate change solutions, construction, design and build, engineering consulting, engineering/design and information management solutions. Additionally, the company offers infrastructure planning, management consulting, procurement, program management and SAP services.
Wick Fisher White is one of the oldest practicing mechanical and electrical engineering firms in the Philadelphia area. Its services include mechanical, electrical, plumbing, fire protection, commissioning and miscellaneous. The company's projects include small renovations as well as new large constructions. Wick Fisher White serves clients, such as Verizon, Verizon Wireless, AT&T, GlaxoSmithKline Pharmaceuticals Limited and Thomas Jefferson University Hospital, as well as numerous major corporations, hospitals, universities, banks and churches. The company has certification with the AABC Commissioning Group (ACG) and is a member of the Building Commissioning Association (BCA).
