Brown and Caldwell
Brown and Caldwell is an environmental engineering and consulting firm dedicated to water and wastewater infrastructure. They provide design, construction, and consulting services to help utilities manage water resources and meet environmental regulations.
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Carollo Engineers
Carollo Engineers is a dedicated environmental engineering firm focused solely on the water and wastewater sector. They provide specialized consulting and design services for advanced water reuse, desalination, and resource recovery projects.
HDR
HDR is an employee-owned firm providing professional consulting services for the water and wastewater industry. They assist utilities with master planning, asset management programs, and the design of resilient water resource recovery facilities.
Hazen and Sawyer
Hazen and Sawyer is an environmental engineering firm dedicated exclusively to water. They provide specialized consulting for wastewater process design, water reuse, and managing large-scale infrastructure projects.