Members by Company

ICON Materials a CRH Company

Construction materials (Asphalt & Aggregates) and contractor primarily in asphalt paving. AGCW member since 2023.
Phone: (206) 574-3935
Mailing Address
1508 Valentine Ave. SE
Pacific, WA  98047

IMAGINiT Technologies

IMAGINiT Technologies, an Autodesk Platinum Partner, helps architectural, engineering and construction teams become more proficient in the use of technologies to design, develop and manage complex projects faster and more cost-effectively. Learn more at AGCW member since 2023.
Phone: (206) 617-9912
Mailing Address
1000 - 2nd Ave., Ste. 1700
Seattle, WA  98104

IMCO General Construction, Inc.

IMCO Construction is a dynamic group of professionals, serving public and private clients throughout Washington, Montana, Oregon, Idaho, and beyond. From preconstruction through commissioning and operation, IMCO brings collaborative solutions. Our team performs a diverse scope of complex self-performed construction, alternative procurement, design support, planning, and logistics services, forging strong relationships along the way. IMCO’s team has been widely recognized for safety and construction excellence by AGC of Washington and ENR Northwest. The company specializes in hydropower and dam construction, water and wastewater, industrial projects, transportation and marine infrastructure. IMCO General Construction was founded in 1978. AGC member since 2006.
Phone: (360) 671-3936
Fax: (360) 671-8808
2116 Buchanan Loop
Ferndale, WA  98248
Frank Imhof
Tyler Kimberley

Incentives By Design, a Geiger company

Imprinted garments and promotional products, specializing in Safety/Incentive programs and online company stores. AGC member since 1994.
Phone: (206) 623-4310
405 Baker Blvd., Ste. B
Tukwila, WA  98188

Industry Erectors, Inc

Minority owned Union steel erector operating and performing in multiple facets of steel erection industry. Also specialized in tower crane erection/dismantle, heavy rigging, specialty rigging. MBE, DBE, SCS. AGCW member since 2024.

Phone: (425) 305-3581
Street Address
4523 - 117th Dr. SE
Snohomish, WA  98290
Mailing Address
1429 Ave. D, #267
Snohomish, WA  98290

Inland Fire Protection, Inc.

Automatic fire sprinkler systems design, consulting, fabrication, installation, testing, inspection, residential, industrial, commercial, remodeling, retrofit, alarms, backflow testing, and clean agent suppression. AGC member since 1991.
Phone: (509) 248-4471
Toll Free: (800) 742-6156
Fax: (509) 248-1180
1100 Ahtanum Rd.
Yakima, WA  98903
3028 GS Center Rd.
Wenatchee, WA  98801
Phone: (509) 884-6717

Inland Waterproofing Services

Member since 2016.
Phone: (208) 665-0440
Fax: (208) 665-0550
Mailing Address
P.O. Box 2847
Hayden, ID  83835

Inline Steel Fabricators, Inc.

Steel fabrication. AGC member since 1998.
Phone: (509) 248-4554
Fax: (509) 248-9671
Street Address
2506 S 26th Ave.
Yakima, WA  98903
Mailing Address
P.O. Box 9396
Yakima, WA  98909

Integrated Underwater Services, L.L.C.

Underwater services contractor including commercial diving, ROV work and technical consulting. AGCW member since 2022.

Phone: (509) 251-0892
Mailing Address
7074 Portal Way, Ste. 110
Ferndale, WA  98248

Integrity Safety Services, Inc.

Integrity Safety Services is a team of dedicated safety professionals with a passion to develop and implement workplace safety, corporate loss control, and regulatory compliance solutions. Our staff has practical, real-world safety experience and brings to your business a realistic idea of what works and what doesn’t. We refuse to take a short range, cookie-cutter approach to developing workplace safety goals. AGC member since 2006.
Phone: (360) 574-6071
Fax: (360) 574-3906
Mailing Address
13912 NE 20th Ave., Ste. 201
Vancouver, WA  98686

Integrity Surety LLC

Integrity Surety is a surety bond specialist, providing the right fit for most types of surety with many dedicated markets and successful partnerships with flexible, creative sureties. We are dedicated to fast, exceptional service and long-term relationships tailored to the success of clients and agencies of all sizes, nation-wide. AGC member since 2021.


Phone: (206) 546-1397
Mailing Address
17544 Midvale Ave. N, Ste. 300
Seattle, WA  98133

Interior Technology, Inc.

InteriorTech is a building specialty contractor with a focus on interior glazing, operable partitions, acoustics, fire/smoke/egress design, and space division alternatives. We provide design & budget assistance, specifications, design details, installation, and technical support. Serving the Pacific Northwest since 1947 we are dedicated to providing our customers with top of the line products and unbeatable customer service. AGC member since 2014.
Phone: (503) 643-9480
Fax: (503) 626-3568
Street Address
14164 Fir St.
Oregon City, OR  97045
Mailing Address
P.O. Box 80400
Portland, OR  97280

Interwest Construction, Inc.

Sitework and utility contractor. AGC member since 2006.
Phone: (360) 757-7574
Fax: (360) 757-6464
609 N Hill Blvd.
Burlington, WA  98233

Intuitive Safety Solutions, Inc.

Intuitive Safety Solutions is a safety consulting services company providing turnkey safety management solutions delivered by world-class Health, Safety & Environmental (HSE) professionals with the proven experience required for every job specification. AGC member since 2016.
Phone: (425) 361-1216
Fax: (425) 775-1116
Mailing Address
8525 - 186th St. SW
Edmonds, WA  98026

IOS Communcations

Perform fiber optic splicing on existing and new fiber optic networks. AGCW member since 2023.
Phone: (530) 570-1163
Mailing Address
17002 - 122th Ave. NE
Arlington, WA  98223

Island Home Center & Lumber

Retail and wholesale supplier of building materials and other home goods. AGC member since 2020.
Phone: (206) 463-5000
Street Address
17633 - 97th Pl. SW
Vashon, WA  98070
Mailing Address
P.O. Box 427
Vashon, WA  98070