Greeley and Hansen- now. TyLin Company

Greeley and Hansen is a leader in developing innovative engineering solutions for a wide array of water, wastewater, water reuse, and solid waste challenges aimed at improving public health, safety, and welfare. With a staff of more than 300 in 18 offices worldwide, Greeley and Hansen provides services for all phases of projects ranging from master planning and feasibility studies through design, construction, and start-up. The firm also provides architectural and management consulting services.

Projects that Greeley and Hansen has completed for clients continue to receive various industry awards for design and engineering excellence. Engineering News Record ranks Greeley and Hansen among the "Top 20 Designers in Sewer and Waste."

Since the firm's founding 100 years ago in 1914, Greeley and Hansen has collaborated with its client partners in public and private utilities and agencies to create better urban environments - worldwide