Founded in 1975, Elcon Associates, Inc.
is an established engineering consulting firm. Elcon has completed major
projects in the areas of electrical utility system, transit systems, water
and wastewater treatment, airports and marine ports, and public,
industrial, correctional, and high-tech facilities.
HDR is a leading architecture and engineering consulting firm dedicated to the success of its clients and to achieving the highest levels of professional expertise.
Headquartered in Omaha, Nebraska, HDR, Inc. employs 3,000 people in 60 offices worldwide. HDR has experience working in every state in the nation and in 40 countries.
Klohn Crippen Berger Ltd. is a leading engineering, geoscience, and environmental consulting firm with over 75 years of experience addressing complex engineering challenges.
Marine Development Corporation provides marine engineering consulting and construction administration, specializing in cost analysis for marine-related structures and marine construction since 1978.