Seppanen Construction LLC

Ridgefield, WA

Company facts

Self-certified in SAM.gov: Self Certified Small Disadvantaged Business

For Profit Organization

Subchapter S Corporation
Entity structure: Corporate Entity (Not Tax Exempt)
SAM.gov registration date: Jul 23, 2020
Physical address: 27208 NE 10th Ave unit 110, Ridgefield, WA 98642, USA
Website: seppanen.com
Founded: 2005
Employees: 1-10
Estimated annual revenue: $0-$1M
Industry: Industrials

Capital Goods

Construction & Engineering
SIC code: 87 Engineering & Management Services
Profiles: LinkedIn

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Mar 14, 2026.

Vendor	Location	Primary NAICS
Ready Freddy, Inc. UEI PDNFW938DX96	Kalispell, MT	562991 Septic Tank and Related Services
Carl F Cavossa JR Excavation UEI DAPZAGD2FSY3	Falmouth, MA	238910 Site Preparation Contractors
Artesian Clean Septic & Pottys Inc. UEI ZN56MFM8VGN5	King Hill, ID	562991 Septic Tank and Related Services
Chad R Clay UEI XXNHZYM7KG61	Tomah, WI	924110 Administration of Air and Water Resource and Solid Waste Management Programs
Big Bore Drilling Inc. UEI K4RWHUVKKC85	Fresno, CA	237110 Water and Sewer Line and Related Structures Construction

From the vendor's SBA profile

septic system and septic tank installation, repair, replacement

Yes. Seppanen Construction LLC's SAM.gov registration is active through March 5, 2027.

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