D & M Engineering, 1020 E Gilbert Dr, Ste D, Tempe, AZ 85281, US

Greeley and Hansen is a leader in developing engineering solutions for a wide array of water, wastewater, water reuse, and solid waste issues aimed at improving the public health, safety, and welfare. With a staff of more than 300 in 16 offices throughout the United States, Greeley and Hansen provides services for all phases of water projects ranging from master planning and feasibility studies through design, construction, and start-up. The firm also provides architectural and management consulting services. Greeley and Hansen has completed projects for clients and continues to receive industry awards for design and engineering excellence. Engineering News Record ranks Greeley and Hansen among both the "Top 25 Designers in Wastewater Treatment" and in "Sewerage and Solid Waste". Since the firm's founding in 1914, Greeley and Hansen has collaborated with its client partners in public and private utilities and agencies to create better urban environments. The firm maintains a location in Phoenix.

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