About
Manson Construction Co. provides marine construction, dredging, offshore and heavy-lift services. Founded in Seattle as a pile-driving business in 1905, it works on marine infrastructure and energy projects across North America.
Sources3
- 1Government recordSAM November 1, 2026 exact-UEI public monthly registration record
SAM.gov / U.S. General Services Administration · Supports Organization · country, Organization · description, Organization · legal name
“UJGKNVYG6UZ3 […] MANSON CONSTRUCTION CO […] 5209 E MARGINAL WAY S […] SEATTLE […] USA […] "country_of_incorporation_code": "USA"”
- 2CompanyManson About
Official company website · Supports Organization · description, Organization · legal name, Organization · website
“Manson Construction Co. was founded in 1905 as a small pile driving business supporting the early development of Seattle’s waterfront. […] locations throughout North America. […] infrastructure and energy projects. […] MARINE CONSTRUCTION […] DREDGING […] OFFSHORE […] HEAVY LIFT”
- 3CompanyManson Address
Official company website · Supports Organization · description, Organization · website
“5209 E. Marginal Way South […] Seattle, WA 98134”
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