Omega Consultants, Inc

With more than 15 offices throughout the United States, Tetra Tech NUS provides environmental consulting and engineering, remediation, construction and information technology services to government and commercial clients. It offers air quality, regulatory compliance, environmental analysis, planning, hazardous waste management, nuclear plant licensing and risk assessment solutions. The company also specializes in the water and wastewater treatment services. Tetra Tech NUS is a subsidiary of Tetra Tech, which is one of the world s leading companies that provides consulting, engineering and technical services. Founded in 1996, the parent company maintains a staff of over 10,000 employees. It offers solutions for waterways, harbors and coastal areas. Tetra Tech operates various subsidiaries, including Tetra Tech FC, Tetra Tech International and Tetra Tech International.

SAIC, also known as Science Applications International Corporation, is a publicly traded, Fortune 500 scientific, engineering and technology applications company. Founded in 1969, it has more than 45,000 employees with offices in over 150 cities worldwide. The company serves customers in the Department of Defense, Department of Homeland Security and government civil agencies. With annual revenues of nearly $10 billion, SAIC provides vehicle and cargo inspection systems for contraband detection. It additionally offers portable X-ray inspection systems to examine suspect packages for explosives. The company provides language services that support national security efforts within the federal government. In addition, SAIC offers integrated supply, procurement and material handling services. One of its wholly owned subsidiaries, SAIC-Frederick, develops and applies advanced technologies to accelerate the translation of research discoveries into products for patients with cancer and AIDS. The company s other subsidiaries include bd Systems, Bechtel SAIC Company, Benham, and SAIC Venture Capital Corporation.

XCEL Engineering is an award winning, service-disabled, veteran-owned small business. XCEL provides trusted engineering, consulting and project management services to government agencies and private industry. Originally founded in 1971 by professional engineers at the University of Tennessee, XCEL was purchased in 2003 by US Army and Navy veterans having a strong background in environmental and safety engineering. XCEL offers professional engineers, project managers, and other certified professionals. Our experience includes Environmental Management, Energy Efficiency Program Support, Hazardous Waste Site Operations, Air Emissions, Pollution Prevention, Construction Management, D&D Operations, CAA, OSHA, RCRA, HVAC system design, and risk/safety assessments.