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Carollo Engineers, Inc.

  • Engineering Services
4600 E. Washington St., Ste. 500
Phoenix, AZ 85034-1915
(602) 263-9500
(602) 265-1422 (fax)
  • About

    An environmental engineering firm specializing in the planning, design, and construction of water and wastewater facilities. The firm is headquartered in Walnut Creek, California and currently maintains 28 offices in 12 states.