Interwest Construction, Inc.
Burlington, WA
- UEI
- NK8PLR12M4J8
- CAGE
- 3NAB4
- Primary NAICS
- 237310 Highway, Street, and Bridge Construction
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
-
- 212321 Construction Sand and Gravel Mining
- 236220 Commercial and Institutional Building Construction
- 237110 Water and Sewer Line and Related Structures Construction
- 237990 Other Heavy and Civil Engineering Construction
- 238110 Poured Concrete Foundation and Structure Contractors
- 238120 Structural Steel and Precast Concrete Contractors
- 238350 Finish Carpentry Contractors
- 238390 Other Building Finishing Contractors
- SAM.gov registration date
- Physical address
- 609 N Hill Blvd, Burlington, WA 98233, USA
- Website
- interwest.biz
- Founded
- 1987
- Employees
- 51-250
- Estimated annual revenue
- $10M-$50M
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- SIC code
- 87 Engineering & Management Services
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $0 |
| FY2025 | -$2,097,629 |
| FY2024 | $0 |
| FY2023 | $106,674 |
Contract awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| WA jeff 91420(1), upper HOH river road phase 2 | Federal Highway Administration | $16,264,706 | |
| Western WA flood event -lyman trail: (equipment W/ operator) | ENDIST Seattle (USACE) | $7,540 |
Contract subawards
| Prime contractor | Prime award | Amount | Awarded |
|---|---|---|---|
| Battelle Memorial Institute | DEAC0576RL01830 | $3,778,673 | |
| DTS P&L JV2 | N4425524F4312 | $498,900 | |
| Absher Construction Co | N4425523F4521 | $3,115,292 |
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Seton Construction, Inc. | Port Townsend, WA | 237990 Other Heavy and Civil Engineering Construction |
| Strider Construction Co Inc. | Bellingham, WA | 237990 Other Heavy and Civil Engineering Construction |
| All-Ways Excavating & Construction LLC | Hubbard, OR | 237990 Other Heavy and Civil Engineering Construction |
| Weekly Bros Inc. | Roseburg, OR | 237990 Other Heavy and Civil Engineering Construction |
| Tunista Construction LLC | Tacoma, WA | 236210 Industrial Building Construction |
About the company
Interwest Construction, Inc. is a premier excavation and site development contractor that has specialized in heavy civil construction services including grading, excavation, and bank stabilization since 1987. Registered as a corporate for-profit entity, Interwest Construction, Inc. has been authorized to receive awards from the federal government since 2003.
Through prime contract awards from agencies like the Department of Transportation Federal Highway Administration and Department of the Army Corps of Engineers, Interwest Construction, Inc. has provided large-scale road construction, environmental restoration, and infrastructure upgrade services. A notable $18.3 million definitive contract awarded in 2021 involved improving 4 miles of the Upper Hoh River Road in Washington, with bank stabilization, culvert replacement, bridge construction, excavation, and installation of over 1,000 engineered wood structures across 25 acres. The company has also performed flood recovery work like the $7,540 purchase order from the Army Corps for equipment and operators after a flood event in Western Washington. As a subcontractor to firms like Conway Construction Co, Interwest Construction, Inc. has fulfilled concrete placement requirements as well. The company delivers construction management and heavy civil trade services primarily through competitive bid contracts with no set-aside designations.
SBA capabilities narrative
Site Work, Mass Excavation, Utilities (Detention, Drainage, Fire, Sanitary, Storm and Water) and Demolition, Mining, Highway, Structures, Trucking, Concrete
Quick answers
Is Interwest Construction, Inc. registered in SAM.gov?
Yes. Interwest Construction, Inc.'s SAM.gov registration is active through March 11, 2027.
What is Interwest Construction, Inc.'s CAGE code?
Interwest Construction, Inc.'s CAGE code is 3NAB4, and its Unique Entity ID (UEI) is NK8PLR12M4J8.
What is Interwest Construction, Inc.'s most recent federal award?
Interwest Construction, Inc.'s most recent federal contract award is WA jeff 91420(1), upper HOH river road phase 2 (69056721C000008), from Federal Highway Administration, on February 3, 2021.
On GovTribe
See Interwest Construction, Inc.'s full federal record
- Federal contract awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors