Professional organizations in Seattle
AgentData lists 40 professional organizations in Seattle, United States. 4 have verified contact details including email addresses and phone numbers. Updated May 2026.
1729, 1st Avenue South, Seattle, 98134, WA
1900, East Madison Street, Seattle, 98122, WA
718, 6th Avenue South, Seattle, 98104, WA
522, 7th Avenue South, Seattle, 98104, WA
1551, 10th Avenue East, Seattle, 98102
2329, Fairview Avenue East, Seattle, 98102, WA
700, Dearborn Place South, Seattle, 98144, WA
1625, 19th Avenue, Seattle, 98122
412 A, Maynard Avenue South, Seattle, 98104, WA
4649, Sunnyside Avenue North, Seattle, 98103, WA
100, West Harrison Street, Seattle, 98119, WA
1900, North Northlake Way, Seattle, 98013, WA
4649, Sunnyside Avenue North, Seattle, 98103, WA
2014, East Madison Street, Seattle, 98122
2949, 4th Avenue South, Seattle, 98134, WA
4307, 11th Avenue Northeast, Seattle, 98105
512, Maynard Avenue South, Seattle, 98104, WA
1715, Broadway, Seattle, 98122
1902, East Yesler Way
4649, Sunnyside Avenue North, Seattle, 98103, WA
705, 2nd Avenue, Seattle, 98104, WA
4649, Sunnyside Avenue North, Seattle, 98103, WA
Also in Seattle
Frequently asked questions
How many professional organizations are in Seattle?
AgentData lists 40 professional organizations in Seattle as of May 2026.
Which professional organizations in Seattle have a website?
12 of 40 professional organizations in Seattle have a website with verified contact details.
Is this data free?
Yes. AgentData is completely free — no credit card, no trial period, no paid tiers.
How is this data collected?
Business listings are sourced from OpenStreetMap and verified through our web crawler, which checks websites for email addresses, phone numbers, and technology stacks.
GET /api/local-businesses?category=professional-organizations&city=seattle