Green Era Solutions Inc

Orion Environmental Inc. is a certified California Small Business Enterprise (SBE) dedicated to creating a safer world for families and communities through environmental consulting services. With expertise in soil and groundwater investigation, remediation, and treatment system design, the company operates in various locations, including Long Beach, Newbury Park, and Berkeley, California, as well as Denver, Colorado. The firm specializes in project management and system enhancement, offering tailored solutions to address environmental contaminants. Orion Environmental is committed to delivering high-quality services that contribute to the health and safety of the environment and the communities it serves. Generated from the website

Tetra Tech is one of the leading providers of specialized management consulting and technical services. The company focuses on the areas of resource management, infrastructure, and communications. Tetra Tech was founded to provide engineering services related to waterways, harbors and coastal areas. The company has since increased the size and scope of its business and expanded its service offerings through a series of strategic acquisitions and internal growth. Tetra Tech provides environmental services, water and wastewater management, infrastructure services, security design and outsourced technical services. The company had nearly 7,500 employees located in more than 250 offices throughout the world. Tetra Tech was founded in 1966 and is based in Pasadena, Calif.

AECOM is an international professional technical services company providing consulting, design, program and construction management and operations and maintenance support to the transportation, environmental and building industries. The company serves both government and private clients. AECOM also provides technical support, international development assistance, and mining and power services. AECOM is headquartered in Los Angeles and operates additional offices throughout the United States., Canada, Asia, the Middle East, Africa, Australia and Europe.