Maddock & Associates

Employee benefits broker. AGC member since 2013.
Phone: (253) 854-0199
Fax: (253) 896-9411
1407 Willow Rd. E
Fife, WA  98424

Management Services Northwest

Total facilities services. AGC member since 2009.

Phone: (360) 366-4600
Fax: (360) 366-2285
2257 Northgate Spur
Ferndale, WA  98248

Masonry Institute of Washington

The Masonry Institute of Washington was founded in 1972 to promote masonry construction, provide educational and technical resources, and provide a point of contact for masonry design and construction professionals, the general public and mason contractors. AGC member since 2019.
Phone: (360) 918-7274
506 - 2nd Ave., Ste. 1400
Seattle, WA  98104

Matheus Lumber Company, Inc.

Wholesale lumber distributor. AGC member since 2015.
Phone: (425) 489-3000
Fax: (425) 822-4028
Mailing Address
15800 Woodinville - Redmond Road
Woodinville, WA  98072

Maxum Petroleum

With more than 70 years of experience in the industry, Maxum Petroleum, a Pilot Thomas Logistics company, is a premier provider of fuel, lubricants and chemicals to the Energy, Marine, Mining and Commercial / Industrial markets nationwide. With our local offices in Seattle on Harbor Island and warehouses in SODO we are geographically centralized to support the unprecedented growth in the Western Washington region. From Marine to land-based data centers we are an experienced local company with the resources and desire to support your petroleum and environmentally friendly petroleum alternative requirements. We deliver ULSD #2 Clear Diesel, Off-Road DYED Diesel fuel, Nonethanol and regular gasoline, Biodiesel blends, MIL SPEC lubricants, Chevron, Castrol, Mobil, Shell and house brand lubricants as well as RE-refined and Bio-based Environmentally Acceptable Lubricants aka Vessel General Permit approved products (EAL VGPs).AGC member since 2018.
Phone: (206) 613-1448
Mailing Address
1711 - 13th Ave. SW
Seattle, WA  98134
Office: (206) 613-1448
Office: (206) 613-1458

MBD Staffing

MBD Staffing is a Certified Minority Owned (MBE, DBE), Staffing Recruiting and Project Management firm. We help Fortune 50 – Fortune 1000, local businesses and startup companies across numerous industries with their Talent Acquisition Programs - Staffing, Recruiting, and Outsourced Project Management. We work primarily in: Construction, Engineering, Operational and Administration positions across the U.S. AGC member since 2017.

Phone: (206) 347-8753
Mailing Address
6523 California Ave. SW, Ste. 255
Seattle, WA  98136

MGS Pasco, Inc.

Land surveying. AGC member since 2018.
Phone: (509) 544-7802
Fax: (509) 544-7862
Mailing Address
6303 Burden Blvd., Ste. E
Pasco, WA  99301

Miles Sand & Gravel

30+ operations located in 10 western Washington counties. Ready-mixed concrete and a full line of aggregate products for commercial, residential, industrial, and public works projects. AGC member since 1988.
Phone: (253) 833-3705
Fax: (253) 833-3746
400 Valley Ave. NE
Puyallup, WA  98372

Mobitat Portable Housing Units

Portable housing for construction companies. Equipped with kitchens and bathrooms. AGC member since 2018.
Phone: (509) 796-4199
Fax: (509) 796-2541
Mailing Address
10703 N. Ritchey Rd.
Spokane, WA  99224

Modern Machinery Co., Inc.

Sales, rentals, parts, and service of: construction, mining, paving, aggregate, forestry, and utility equipment. Authorized distributor of Komatsu, Wittgen, Atlas Copco, Lee Boy, Rosco, and Esco products. Branches are located in Washington, Oregon, Montana, and Idaho. AGC member since 1972.
Phone: (253) 872-3500
Toll Free: (800) 669-2425
Fax: (253) 872-3519
22431 - 83rd Ave. S
Kent, WA  98032


Mobile and modular office buildings, containers, job shack offices. AGC member since 2001.
Phone: (253) 395-0301
Fax: (253) 395-0235
19432 East Valley Hwy.
Kent, WA  98032

Morse Steel Service

Morse Steel distributes a full range of Concrete Reinforcing Products all of which can be supplied fully fabricated and installed. Morse Steel supplies and installs these products per project, complete with estimating, detailing project management services, and placing/installation services. Our reinforcing products include Rebar, Wire Mesh, Rebar Couplers, Terminators, Concrete Embeds, Stud Rails & Post Tension Cable. AGC member since 2018.
Phone: (360) 756-6200
Fax: (360) 756-2897
Mailing Address
3006 Illinois St.
Bellingham, WA  98227

Moss Adams LLP

With offices in Bellingham, Everett, Seattle, Spokane, Tacoma, and Yakima, our Construction industry group helps companies take advantage of opportunities to improve financial performance, defer taxes, and enhance operations. AGC member since 1974.
Phone: (206) 302-6500
Fax: (206) 622-9975
999 Third Ave., Ste. 2800
Seattle, WA  98104
2000 Rimland Dr., Ste. 300
Bellingham, WA  98226
Phone: (360) 676-1920
2707 Colby Ave., Ste. 801
Everett, WA  98201
Phone: (425) 259-7227
1301 A St., Ste. 600
Tacoma, WA  98402
Phone: (253) 572-4100
212 N. Naches Ave.
Yakima, WA  98907
Phone: (509) 248-7750

MultiCare Centers of Occupational Medicine

Workers comp injury care, and employment exams, drug / alcohol testing and immunizations. AGC member since 2014.
Phone: (253) 459-6541
Fax: (253) 459-6708
Street Address
1901 S Union Ave., Ste. A-310
Tacoma, WA  98405
Mailing Address
P.O. Box 5299
Tacoma, WA  98415

MW Sutton LLC

MW Sutton Trucking is a powdered bulk commodity transportation company. Our tanker trucks haul cement products, lime, and fly ash primarily to concrete ready mix plants. AGC member since 2018.
Phone: (425) 908-7579
Fax: (360) 668-4107
Street Address
14615 NE N Woodinville Way
Woodinville, WA  98072
Mailing Address
P.O. Box 3003
Woodinville, WA  98072