Contractors/Mechanical

ACCO Engineered Systems

ACCO Engineered Systems is a privately held company headquartered in California, specializing in the design, fabrication, installation, maintenance, and service of commercial and industrial HVAC, plumbing, process piping, electrical, and building automation systems. ACCO is known for its comprehensive inhouse engineering and fabrication capabilities, offering complete solutions for mechanical and control systems across multiple states including Arizona, California, Nevada, Oregon, and Washington. AGCW member since 2024.
www.accoes.com
Phone: (206) 787-8500
Mailing Address
5300 Denver Ave. S
Seattle, WA  98108

Advanced American Construction, Inc.

Marine construction, diving, and industrial services. AGC member since 2005.
www.callaac.com
Phone: (503) 445-9000
Fax: (503) 546-3031
Street Address
8444 NW St. Helens Rd.
Portland, OR  97231
Mailing Address
P.O. Box 83599
Portland, OR  97283
Dee Burch
President
Kyle Izatt
Vice President

Andgar Corporation

Residential and commercial mechanical (HVAC & Plumbing) including service; architectural metal roofing, siding and flashing; food processing equipment; and specialty contracting for biogas digesters. AGC member since 2000.
www.andgar.com
Phone: (360) 366-9900
Fax: (360) 366-5800
Street Address
6920 Salashan Pkwy., Ste. A102
Ferndale, WA  98248
Mailing Address
P.O. Box 2708
Ferndale, WA  98248

Blythe Mechanical Inc

Blythe Mechanical is a full service commercial and residential mechanical contractor, engineering, and service/maintenance provider. Our services include: design-build and plan spec construction, plumbing, HVAC, commercial refrigeration, steam and hot water boilers, retrofit and remodel construction, sheet metal, HVAC and plumbing repair, preventative maintenance, and backflow testing. AGC member since 1993.
Phone: (360) 389-5500
Mailing Address
3000 W Illinois St.
Bellingham, WA  98225

Comfort Systems USA NW

Mechanical and Plumbing Contractor. AGCW member since 2023.
www.comfortsystemsusanorthwest.com
Phone: (425) 883-9224
Mailing Address
17683 - 128th Pl. NE
Woodinville, WA  98072

Eagle Harbor Associates, LLC

Plumbing and mechanical contractor. AGC member since 2016.
Phone: (360) 779-8201
Fax: (360) 779-8240
Mailing Address
1420 Marvin Rd. NE, Ste. C-147
Lacey, WA  98516

Harbor Pacific Contractors, Inc.

Water and wastewater treatment plants, municipal, industrial, and commercial construction. AGC member since 1990.
www.harborpacific.com
Phone: (425) 488-7131
Fax: (425) 489-3991
19628 -144th Ave. NE, Ste. A
Woodinville, WA  98072

Harris Pacific Northwest, LLC

Mechanical contractor. AGC member since 2000.
www.harriscompany.com
Phone: (360) 734-3600
3436 Airport Dr.
Bellingham, WA  98226

Hawk Mechanical Contractors, Inc.

Mechanical contracting - commercial/public works/industrial. AGC member since 2009.
www.hawkmechanical.com
Phone: (360) 794-8783
Fax: (360) 805-9321
Street Address
17220 W. Main St.
Monroe, WA  98272
Mailing Address
P.O. Box 547
Monroe, WA  98272

Holmberg Mechanical

Mechanical contractor, plumbing systems. AGC member since 1984.
www.holmbergco.com
Phone: (425) 822-2233
Mailing Address
12001 SE 9th Place, Ste. 300
Bellevue, WA  98005

Holmes Mechanical Inc.

Industrial mechanical contractor. AGC member since 2016.
www.holmesmechanical.com
Phone: (360) 698-1977
Fax: (360) 698-1843
Mailing Address
5210 Sinclair Way
Bremerton, WA  98312

Johansen Mechanical, Inc.

Since 1983, we have been a commercial and high end residential HVAC and specialty metals contractor - specializing in engineering, fabrication, installation, and service. When quality and service count, think of Johansen Mechanical. AGC member since 2006.
www.johansenmech.com
Phone: (425) 481-2266
Mailing Address
16372 - 177th Ave. SE
Monroe, WA  98272

MacDonald Miller Facility Solutions

Full-service design-build mechanical contractor. AGC member since 2013.
www.macmiller.com
Phone: (206) 768-3886
Fax: (206) 768-3887
Street Address
7717 Detriot Ave. SW
Seattle, WA  98106
Mailing Address
P.O. Box 47983
Seattle, WA  98146

Pease & Sons, Inc.

Commercial building, industrial, and process piping. AGC member since 1970.
www.peaseandsons.com
Phone: (253) 531-7700
Fax: (253) 537-8113
Street Address
10601 Waller Rd.
Tacoma, WA  98446
Mailing Address
P.O. Box 44100
Tacoma, WA  98448
Bryan Hillemann
Vice President/Safety & Health Engineer Director
Darron Pease
President
Susan Bangs
Contract Administrator
Jennifer Kuljam
Project Manager/Estimator
Scott Hatcher
Controller

Pease Piping, Inc.

Mechanical and water treatment. AGC member since 1999.
Phone: (253) 539-0467
Fax: (253) 539-9521
Mailing Address
P.O. Box 44870
Tacoma, WA  98448
Kelsey Pease
President

Platte Heating & A/C, Inc.

Full-service heating and air conditioning company specializing in new construction and retro fit - including water heaters, water softeners, and gas fireplace inserts. AGC member since 2003.
www.platteheating.com
Phone: (509) 965-3538
Fax: (509) 965-3631
Mailing Address
P.O. Box 8270
Yakima, WA  98908

PSF Mechanical, Inc.

PSF is a full-service commercial mechanical design and construction firm established in Seattle in 1898. AGC member since 2011.
www.psfmechanical.com
Phone: (206) 764-9663
Mailing Address
5005 Pacific HWY E, Unit #4
Fife, WA  98424

Tacoma Plumbing & Heating, Inc.

Mechanical contracting and site utilities. AGC member since 2011.
www.tacomaplumbing.com
Phone: (253) 531-3444
Fax: (253) 537-0382
1817 - 112th St. E, Ste. G
Tacoma, WA  98445

UMC

HVAC, plumbing, mechanical and industrial construction - including 24-Hour service, refrigeration, design/build, pipe fabrication, and complete energy services. AGC member since 1964.
www.umci.com
Phone: (206) 364-9900
Mailing Address
19020 33rd Avenue W, Suite 400
Lynnwood, WA  98036

Universal Refrigeration, Inc.

HVAC and refrigeration, sales, service, installation - commercial and residential. AGC member since 2002.
www.universalrefrig.com
Phone: (253) 939-5501
Toll Free: (800) 767-2490
Fax: (253) 735-3432
Street Address
4102 B Pl. NW
Auburn, WA  98001
Mailing Address
P.O. Box 614
Auburn, WA  98071