Consultants/Construction Management


AECOM is integrating its North American operations into five organizational entities: water, transportation, design, energy and environment. Effective October 2008, DMJM Aviation, CTE, HSMM, STS, TCB, Boyle and Earth Tech are known collectively as AECOM Transportation. AGC member since 2007.
Phone: (206) 438-2700
Fax: (206) 438-2699
1111 - 3rd Ave., Ste. 1600
Seattle, WA  98101
Michael Horton
VP Transportation Business Unit Leader

Global Construction Services, Inc.

Claims consultant, project scheduling, construction management, expert witness. AGC member since 1990.
Phone: (425) 681-1868
Fax: (425) 952-1091
8040 - 161st Ave. NE, Ste. 393
Redmond, WA  98052

KBA, Inc.

A consulting firm specializing in the construction management of road, bridge, transit, water, wastewater, building, and facility projects in Washington State. AGC member since 2000.

Phone: (425) 455-9720
Fax: (425) 455-9732
11201 SE 8th St., Ste. 160
Bellevue, WA  98004

Milestone Worldwide, LLC

Program and Project Management, Construction Management, and Project Controls (Cost Engineering, Cost Estimating, Value Engineering, Scheduling, Document Control, Project Administration.

Phone: (206) 200-9785
Mailing Address
1001 Fourth Ave., Ste. 4300
Seattle, WA  98154

OAC Services, Inc.

Architects, engineers, and construction management. AGC member since 2009.
Phone: (206) 285-4300
Fax: (206) 285-4370
701 Dexter Ave. N, Ste. 301
Seattle, WA  98109

RAP Consulting, LLC

Providing a broad range of Project and Construction Management Consulting. Experienced in all phases of project implementation from Planning through Design, Construction, and Occupancy. AGC member since 2017.
Phone: (206) 658-7883
Mailing Address
1455 NW Leary Way, Ste. 400
Seattle, WA  98107

Steel Encounters

Steel joist and steel deck supply. AGC member since 2003.
Phone: (206) 281-8500
Fax: (206) 284-9576
2300 W Commodore Way, Ste. 200
Seattle, WA  98199