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Coronado Engineering & Dev is a Tucson-based company specializing in providing engineering and development services to a variety of industries. With a focus on innovation and collaboration, the company works closely with clients to deliver customized solutions that meet their specific needs and goals. Generated from their business information

Tetra Tech is a publicly traded company that offers resource management and infrastructure services. It is one of the leading providers of consulting, engineering and technical solutions in the world. The company also offers, research, construction and information technology services. Tetra Tech provides environmental remediation solutions. It undertakes projects for the energy, government and communications sectors. The company additionally offers disaster management, emergency response and staff augmentation services. Tetra Tech manages a staff of more than 9,500 employees. It provides nuclear engineering and wetland restoration solutions. The company s regulatory consultation services include material content reporting, supply chain management and program implementation. Tetra Tech s clients include the City of Chicago and Absher Construction Company.

Operational for over 60 years, Brown and Caldwell has been operating as a full-service environmental engineering and consulting firm. Located in Tucson, Ariz., it offers customers a wide range of solutions in the categories of business consulting practice, environmental services, information technology, solid waste and water resources. Some of this includes total asset management, risk assessment, hydrogeology/groundwater modeling and watershed management/source protection. In addition, the company provides waste water services, such as odor/corrosion control, disinfection and industrial pretreatment. Brown and Caldwell serves municipal, federal and private agencies.