NAICS 561990 · Washington

Certified Women-Owned All Other Support Services in Washington

16 certified women-owned vendors in Washington under NAICS 561990 (All Other Support Services), each with an active WOSB or EDWOSB certification reported from the U.S. SBA Small Business Search.

16 certified vendors · ranked by certification recency & profile depth

02SCHLECHT & SONS, INC

Construction & Trades · La Center, Washington
SBA-certified WOSB, EDWOSB
WOSBEDWOSB

Traffic Signals, Street Lighting, Bridge Lighting, Pier Lighting, Railroad Signals, Stadium/Field Lighting, Auguring/Shaft Drilling, Light Pole Bases, Signal Pole Bases, Installation of Intelligent Transportation…

05GUARDIANX LLC

Professional & Management Consulting · Seattle, Washington
SBA-certified WOSB
WOSB

GuardianX LLC is a woman-owned small business based in Seattle, WA, specializing in advanced safety technologies, AI-driven research, and educational innovation. Our company designs and supplies intelligent protective…

10ELYON INTERNATIONAL, INC.

IT & Software Services · Vancouver, Washington
SBA-certified WOSB, VOSB
WOSBVOSB

ELYON provides mission-focused digital modernization and mission support services that help organizations improve operational performance, strengthen decision-making, and maximize return on technology investments. Our…

13CHANGING HEARTS AND MINDS LLC

Repair, Maintenance & Other B2B · Fife, Washington
SBA-certified WOSB
WOSB

Changing Minds and Hearts, LLC is a minority woman-owned small business consulting firm that staffs a unique pool of subject matter consultants to deliver timely solutions to our government, public, and private…

15ASSOCIATED UNDERWATER SERVICES, INC.

Repair, Maintenance & Other B2B · Spokane, Washington
SBA-certified WOSB
WOSB

Professional commercial diving services and topside support for underwater construction,repair & inspection nationwide on inland and coastal water-related structures. Includes remotely operated vehicle, sonar, surface…

16CRUX DIVING INC

Repair, Maintenance & Other B2B · Kenmore, Washington
SBA-certified WOSB
WOSB

At CRUX Diving Inc, we provide responsive services for underwater construction, ship maintenance and repair, marine construction and salvage.

Frequently asked

Are there certified women-owned NAICS 561990 vendors in Washington?

Yes — 16 certified women-owned vendors in Washington list NAICS 561990 (All Other Support Services), each with an active WOSB or EDWOSB certification reported from the U.S. SBA Small Business Search and dated on each listing.