H2 Precast
Manufacturer of underground precast products. i.e.. manholes, catch basins, pipe, box culvert, three sided bridge, electrical vaults, sound wall, type f traffic barrier, specialty products and miscellaneous precast products. AGCW member since 2022.
Bridges, Communications Structures, Communications Utilities, Culverts, Electrical Utilities, Fire-Suppression Water Storage, Precast Architectural Concrete, Precast Concrete Specialties, Precast Structural Concrete, Retaining Walls, Sanitary Utility Sewerage Structures, Storm Drainage Structures, Supplies - Concrete, Utility Septic Tanks, Vehicle Barriers, Water Utilities
Phone: (509) 884-6644
Mailing Address
3835 N Clemons St.
East Wenatchee, WA 98802
Hainline
Hainline provides consulting services to the
construction industry. Our specialties are construction management,
scheduling, project delivery advisement, forensic analysis of schedule and
cost, constructability review, and extension of staff. AGC member since 2019.
Constructability Reviews, Consultants/Claims, Consultants/Claims/Litigation, Consultants/Construction Management, Consultants/Engineering, Project Management, Scheduling
SBE
www.hainline.net
Phone: (206) 382-9263
Mailing Address
411 - 1st Ave. S, Ste. 210
Seattle, WA 98104
Hamilton Construction Co.
Hamilton Construction Co. as a small firm installing concrete road and irrigation systems in 1939. A heavy civil construction company, Hamilton has an emphasis on transportation projects and is experienced building with limited and difficult project access and comfortable working in high-traffic urban zones, populated recreational areas, sensitive natural habitats, short work windows, and remote project locations. We are hands-on builders and self-perform much of the work we’re contracted for. AGC WA member since 2016.
www.hamil.com
Phone: (541) 746-2426
Fax: (541) 746-7635
Street Address
1850 - 93rd Ave. SW
Olympia, WA 98512
Mailing Address
P.O. Box 659
Springfield, OR 97477
Harbor Pacific Contractors, Inc.
Water and wastewater treatment plants, municipal, industrial, and commercial construction. AGC member since 1990.
Contractors/Bridge, Contractors/Bridge & Tunneling, Contractors/Buildings, Contractors/Concrete, Contractors/Design-Build, Contractors/Heavy Civil, Contractors/Heavy Highway, Contractors/Highway, Contractors/Industrial, Contractors/Mechanical, Contractors/Utility
www.harborpacific.com
Phone: (425) 488-7131
Fax: (425) 489-3991
4002 - 148th Ave NE
Redmond, WA 98052
Hardware Sales
Welcome to Hardware Sales, your one-stop destination for all your hardware needs! We specialize in
providing high-quality tools, equipment, and supplies for DIY enthusiasts, professionals, and businesses
alike. With a vast selection of products ranging from hand tools and power tools to construction materials
and safety gear, we ensure you have everything you need to tackle any project, big or small. AGCW member since 2024.
Phone: (360) 734-6140
Mailing Address
2034 James St.
Bellingham, WA 98225
Harper Hayes PLLC
A law firm assisting contractors with claims and disputes involving all types of construction insurance—including CGL, Builder’s Risk, Property, and Wrap-ups. AGCW member since 2012.
www.harperhayes.com
Phone: (206) 340-8010
Mailing Address
1200 - 5th Ave., Ste. 1208
Seattle, WA 98101
Haskell Corporation
Heavy industrial/commercial, process/manufacturing construction; steel/pipe fabrication-ASME-Direct Hire capabilities in all disciplines. AGC member since 1991.
Contractors/Industrial, Decorative Metal, Industry-Specific Manufacturing Equipment, Instrumentation and Control for Process Systems, Metal Fabrications, Metal Specialties, Metal Stairs
www.haskellcorp.com
Phone: (360) 734-1200
Fax: (360) 734-5538
Street Address
1001 Meador Ave.
Bellingham, WA 98229
Mailing Address
P.O. Box 917
Bellingham, WA 98227
HDR
We specialize in architecture, engineering, environmental and construction services. While we are most well-known for adding beauty and structure to communities through high-performance buildings and smart infrastructure, we provide much more than that. We create an unshakable foundation for progress because our multidisciplinary teams also include scientists, economists, builders, analysts and artists. AGCW member since 2025.
www.hdrinc.com
Phone: (206) 826-4700
600 University St., Ste. 500
Seattle, WA 98101
Hermanson Company, LLP
Hermanson Company is a full service commercial
mechanical contractor, engineering and service/maintenance provider with
offices in the Puget Sound Region and Western Oregon. The company
specializes in critical environments, commercial office & residential
development, public works, and tenant improvement / retrofit. AGC member since 2019.
www.hermanson.com
Phone: (206) 575-9700
Fax: (206) 575-9800
Mailing Address
1221 - 2nd Ave. N
Kent, WA 98032
His Hands Landscape Construction
Landscape construction, irrigation, plants, trees, retaining walls, turf, hydroseed, erosion control,
amending, compost, mulch, excavation, trucking. AGCW member since 2023.
DBE, MBE, SBE
Phone: (360) 698-2581
Street Address
7000 S Tacoma Way
Tacoma, WA 98409
Mailing Address
P.O. Box 3750
Silverdale, WA 98383
Holaday Parks, INC.
Holaday-Parks, Inc. is a full-service mechanical, electrical, and plumbing (MEP) contractor serving commercial, industrial, and mission-critical facilities across Washington and beyond. With more than 130 years of experience, we deliver MEP construction services including design-build, plan-spec, and tenant improvements, supported by in-house engineering, fabrication, and project management. Our teams also provide full-spectrum MEP service, such as preventative maintenance, retrofits, lifecycle optimization, and 24/7 emergency response. Additionally, Holaday-Parks specializes in Building Automation Systems and controls, with growing expertise in data center and other high-performance environments. Our BAS teams design, install, integrate, and service advanced automation platforms that improve energy efficiency, reliability, and operational insight. AGC member since 2019.
www.holadayparks.com
Phone: (206) 248-9700
Fax: (206) 248-8700
4600 S. 134th Pl.
Tukwila, WA 98168
Branches
ALASKA - FAIRBANKS
1820 Marika Rd.
Fairbanks, AK 99709
Phone: (907) 452-7151
INDIANA - GREATER SOUTH BEND
1505 S Byrkit Ave. Ste A
Mishawaka, IN 46544
Phone: (800) 295-7760
OHIO - GREATER COLUMBUS
6063 Frantz Rd. Ste 102
Dublin, OH 43017
Phone: (800) 295-7760
SPOKANE (East)
1101 N Fancher Rd. Ste B
Spokane Valley, WA 99212
Phone: (509) 530-2280
VIRGINIA - GREATER FAIRFAX-WASHINGTON DC
14310 Sullyfield Cir. Ste 400
Chantilly, VA 20151
Phone: (800) 295-7760
WASHINGTON - RICHLAND (Central)
2920 George Washington Way, Ste 103
Richland, WA 99354
Phone: (509) 530-2280
Holmes Mechanical Inc.
Industrial mechanical contractor. AGC member since 2016.
Contractors/Industrial, Contractors/Mechanical, Heating, Ventilating, and Air Conditioning (HVAC), Plumbing
www.holmesmechanical.com
Phone: (360) 698-1977
Fax: (360) 698-1843
Mailing Address
5210 Sinclair Way
Bremerton, WA 98312
Howard S. Wright, a Balfour Beatty Company
Commercial, general contracting, construction management, design/build, special projects, and service. AGC member since 1934.
Contractors/Buildings, Contractors/Design-Build, Contractors/Remodeling, Contractors/Tenant Improvement
www.balfourbeattyus.com
Phone: (206) 447-7654
Fax: (206) 447-7677
Street Address
415 - 1st Ave. N, Ste. 400
Seattle, WA 98109
Mailing Address
P.O. Box 34449
Seattle, WA 98124
Branches
1455 NW Irving St., Ste. 400
Portland, OR 97209
HUB International Northwest, LLC
HUB International is a leading global insurance brokerage, ranked among the largest in the world, with 21,000+ employees and 700+ offices across North America. Headquartered in Chicago, HUB provides property and casualty, employee benefits, retirement and private wealth, and risk management solutions to businesses and individuals. Founded in 1998 through the merger of eleven Canadian brokerages, HUB has grown primarily through an aggressive acquisition strategy, integrating more than 1,000 brokerages over 25+ years. AGC member since 2000.
Phone: (425) 698-3753
12100 NE 195th St., Ste. 200
Bothell, WA 98011
Hudson Bay Insulation Co.
Insulation of mechanical piping, ductwork, equipment, acoustical insulation, and fire stopping. Distributor of pre-insulated pipe supports. AGC member since 1988.
Phone: (206) 763-9484
Street Address
210 S Hudson St., Ste. 375
Seattle, WA 98134
Mailing Address
P.O. Box 80424
Seattle, WA 98108
Branches
2697 Enterprise Ave. Ste C
Billings, MT 59102
Phone: (406) 697-9238
6818 W Kennewick Ave. Ste F
Kennewick, WA 99336
Phone: (509) 895-4040
200 Prince St. Ste C
Missoula, MT 59801
Phone: (406) 552-9583
12225 NE Marx St.
Portland, OR 97230
Phone: (503) 688-1496
11616 E Montgomery
Spokane Valley, WA 99206
Phone: (509) 891-7110
Hughes Group LLC
Established in 1999 by Patrick L. Hughes Sr. after 28 years in the Military. We have two divisions, Logistic and Construction. We understand the importance of collaboration to have your project stay within budget, adhere to the schedule and be completed safely. Federal certification: Small Business, Certified Service-Disabled, Certified Veteran-Owned, HUBZone, Small Disadvantaged Business, GSA Schedule. State certification: Certified Minority-Owned Washington State Small Business (OMWBE), Section 3, SBE, State Veteran certification, Seattle & Tacoma & Seattle Small Business Roster. Services: Final Construction Site Clean-up, Traffic Control, Striping & Sealcoat, Extruded Concrete Curbing, Landscaping & Irrigation, Asphalt Repair, COVID-19 Cleaning, Janitorial Hospital/Buildings, Floor Maintenance/ Carpet Cleaning, Safety Supplies and Equipment. “All business deals are more than short-term customer transactions. We strive to establish long lasting relationships.” AGC member since 2018.
DBE, MBE
www.hughesgroup.biz
Phone: (253) 588-2626
Fax: (253) 592-6127
Mailing Address
3701 S Lawrence St.
Tacoma, WA 98409
