List of 38 Washington-based Construction Companies

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
P3 Services PE Backed Stellex Capital Management Stellus Capital Management 2022-01-26 Auburn, Washington, United States website	Construction	-	5	5	-
Axiom Drilling Corp. Private Spokane Valley, Washington, United States website	Construction	-	1	1	-
Cannon Construction, Inc. Private Milton, Washington, United States website	Construction	-	1	1	-
Environmental Containment Private Seattle, Washington, United States website	Construction	-	1	1	-
Icon Materials, Inc. Acquired Icon Materials, Inc. 1998-05-01 Pacific, Washington, United States website	Construction	-	1	1	-
Pacific Mobile Structures Private Chehalis, Washington, United States website	Construction	-	1	1	-
AA Asphalting Private Sumner, Washington, United States website	Construction	-	-	-	-
AD&P Private Tacoma, Washington, United States	Construction	-	-	-	-
Richmond American Homes of Washington, Inc. Private Puyallup,, Washington, United States	Construction	-	-	-	-
KJM & Associates Ltd. Acquired Hill International 2007-05-11 Bellevue, Washington, United States website	Construction	16	-	-	-
Harmsen & Associates, Inc. Acquired Fremont-Wright 2018-12-11 Monroe, Washington, United States website	Construction	-	-	-	-
Advanced Forming Solutions Acquired White Cap 2025-10-02 Castle Rock, Washington, United States website	Construction	-	-	-	-
HCI Steel Building Systems, Inc. Acquired Butler Manufacturing Company, Inc. 2007-11-08 Arlington, Washington, United States website	Construction	40	-	-	-
Diamond B Constructors, Inc. Acquired Harris Co's 2018-03-09 Bellingham, Washington, United States website	Construction	-	-	-	-
Rainy Day Basement Systems Acquired Groundworks 2024-08-28 Arlington, Washington, United States website	Construction	-	-	-	-
Valley Electric PE Backed Prospect Capital Management 2013-01-04 Everett, Washington, United States website	Construction	-	-	-	-

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