General Contractors

Ohno Construction Company

Award-winning Ohno Construction Company specializes in outdoor recreational and athletic facility venues, including parks, sports fields and tracks, play areas, habitat restorations and greenways, bike and inter-modal pathways, restroom/concession buildings and more. AGC member since 2020.
Phone: (206) 325-1529
Mailing Address
9416 Martin Luther King Jr. Way S
Seattle, WA  98118

OMA Construction

Excavation contractor, Utilities, trucking. AGCW member since 2023.

MBE

www.omaconstruction.com
Phone: (206) 262-1721
Street Address
22412 SE 231st St.
Maple Valley, WA  98038
Mailing Address
P.O. Box 429
Maple Valley, WA  98038

On Grade Construction Consultants llc

On Grade Construction Consultants LLC provides advanced, technology-driven construction and consulting services specializingin high-precision site preparation and grade control. We address the core industry problems of poor craftsmanship, time delays,and ineffective project management through the integrated use of GPS Machine Control technology, Real-Time Data Management, an In-House Survey department and we self-perform all work within our capabilities. Let us be your trusted partnerin achieving success. Always working safe and living safe 24/7. AGCW member since 2025.

DBE, SBE

Phone: (360) 255-9592
1126 Gem Ave.
Moses Lake, WA  98837

Orion Marine Contractors Inc.

General Contractor: Heavy Civil, Marine. AGC members since 2021.
www.orionmarinegroup.com
Phone: (253) 552-1140
Mailing Address
1010 S 336th St., Ste. 202
Federal Way, WA  98003

Osborne Construction Company

Preconstruction and construction services, including tenant improvement, repair, and renovation. Specializing in commercial, industrial, education, military, civil, residential, and design/build projects for government agencies and private clients. AGC member since 2006.
www.osborne.cc
Phone: (425) 827-4221
Fax: (425) 828-4314
9840 Willows Rd NE, Ste. 202
Redmond, WA  98052