Private company
Shannon & Wilson
Shannon & Wilson, also known as S & W, is an American geotechnical engineering and environmental consultancy firm headquartered in Seattle, Washington founded in 1954. It was founded by William L. Shannon and Stanley D. Wilson (de), both of whom are alumni of Harvard University.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
See how the biggest companies compare on our leaderboards
Shannon & Wilson, also known as S & W, is an American geotechnical engineering and environmental consultancy firm headquartered in Seattle, Washington founded in 1954. It was founded by William L. Shannon and Stanley D. Wilson (de), both of whom are alumni of Harvard University.2
Timeline
- 1954Founded Founded1
Funding
Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.
- PPP loans $3.9M
Figures by year
| Year | PPP loans | Total |
|---|---|---|
| 2020 | $3.9M | $3.9M |
PPP loans
Paycheck Protection Program loans of $150,000 and up, approved April 2020 to July 2021, from the SBA3. Matched to this company by name and state.
- Apr 14, 2020$3.9M PPP loan (first draw) from KeyBank National Association3To SHANNON & WILSON, INC., Seattle WA; $4.0M forgiven Aug 30, 2021
Links
- WikipediaShannon & Wilson
- WikidataQ29098029
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataShannon & Wilson on Wikidata
- 2WikipediaShannon & Wilson on Wikipedia
- 3