Carollo engineers
Carollo Engineers is an environmental engineering firm specializing in the planning, design, and construction of water and wastewater facilities. The firm is headquartered in Phoenix, Arizona and currently maintains 25 offices in 11 states. While most of Carollo's influence is on the west coast, Carollo holds itself as a national player in the field with offices reaching all the way to Florida. 2005 revenues totaled $121.6 million; of that revenue 46% originated from the water market and 54% was wastewater related.
During the course of Carollo's history, the firm has completed more than 15,000 engineering projects for the public sector and now employs nearly 800 employees. Almost half of the employees are Registered Professional Engineers. Carollo Engineers is a Registered Professional Corporation.
All of Carollo's work is in the water market, with such subsectors as water and wastewater treatment, groundwater, instrumentation and controls, stormwater, water reclamation and reuse, infrastructure and sustainable design, among others.
Carollo Engineers was founded in 1933 as a new partnership called Headman, Ferguson, and Carollo. In 1957 the firm became John A. Carollo, Consulting Engineers. The corporation's name was later changed to Carollo Engineers. In early 2007, the Carollo Engineers drafted a new logo. The New logo reaffirms Carollo's dedication to the water industry with the Trademarked tag line "Engineers... Working Wonders With Water"