K & D Services, Inc.
Traffic control services - on-call certified flaggers, traffic control supervisors, signage and set-up, traffic control plans, and certification courses. AGC member since 2005.
www.kndservices.net
Phone: (425) 252-0906
Fax: (425) 303-8709
Street Address
2719 Rockefeller Ave.
Everett, WA 98201
Mailing Address
P.O. Box 12040
Everett, WA 98206
Kanway Abatement & Demolition, LLC
We provide asbestos abatement services, lead and mold remediation, and demolition services. We
perform these services for residential, educational, government, and commercial. AGC member since 2022.
www.kanwayllc.com
Phone: (253) 442-6999
Mailing Address
2915 - 68th Ave. W
University Place, WA 98466
Keller North America
Our experience in design and construction of geotechnical construction services spans more than six decades. The Keller North America suite of techniques, equipment, and experience is comprehensive and is packaged to create the most effective and economical solution. AGC member since 2017.
www.keller-na.com
Phone: (206) 223-1732
Fax: (206) 223-1733
Mailing Address
18300 Cascade Ave. S, Ste 265
Seattle, WA 98188
Ken Leingang Excavating, Inc.
Site work, underground utilities, demolition. AGC member since 1990.
Clearing and Grubbing, Earth Moving, Excavation and Fill, Grading, Sanitary Sewerage Utilities, Storm Drainage Utilities, Water Utilities
1117 N 27th Ave.
Yakima, WA 98902
Kent Crane Inspection and Engineering
At Kent Crane Inspection and Engineering, we specialize in cranes and heavy equipment, welding,
material testing, mechanical systems, metallurgy, structures and design. Our team of experts include
professional engineers (P.E.'s), state certified crane inspectors, certified weld inspectors and a certified Welding Engineer. AGCW member since 2024.
www.kentengineering.com
Phone: (206) 819-7880
Mailing Address
11520 - 42nd Ave. S
Tukwila, WA 98168
Keystone Masonry, Inc.
Masonry construction, brick, block, stone, cultured stone, stone cladding, masonry cleaning, and historical restoration - commercial, industrial, residential. AGC member since 2003.
Adobe Unit Masonry, Concrete and Masonry Coatings, Contractors/Masonry, Foamed-In-Place Insulation, Glass Unit Masonry, Maintenance of Concrete, Masonry Accessories, Masonry Flooring, Masonry Grouting, Precast Concrete Specialties, Refractory Brick Masonry, Unit Masonry
www.keystonemasonry.biz
Phone: (360) 458-6758
Fax: (360) 458-6759
Street Address
503 - 1st St. S, Ste. 6
Yelm, WA 98597
Mailing Address
P.O. Box 2249
Yelm, WA 98597
Kolkay Electric
KolKay Electric is a premier Commercial Electrical Contractor serving the public, industrial, and private sectors. With a wealth of experience, we specialize in delivering flexible and innovative solutions tailored to meet the demands of any simple to complex projects. We are certified DBE/WBE firm that supports our county and states diversity goals. AGCW member since 2025.
DBE, WBE
www.kolkay.com
Phone: (360) 886-1743
Street Address
930 Battersby Ave., Ste. 101
Enumclaw, WA 98022
Mailing Address
P.O. Box 459
Ravensdale, WA 98051
KWH Constructors, Inc.
Structural steel construction, bridge construction, construction engineering, complex structural steel erection, architectural pre-cast installation, seismic retrofit services, heritage facade shoring, and retrofit commercial structures. AGC member since 2021.
www.kwhconstructors.com
Phone: (206) 899-2915
Mailing Address
1105 12th Ave. NW, Ste. A-1A
Issaquah, WA 98027
