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Cabinet department

Selling to the Department of the Interior

The Department of the Interior manages federal lands and resources through the National Park Service, BLM, USGS, Bureau of Reclamation, Fish and Wildlife Service, and Bureau of Indian Affairs.

Open opportunities in DOI

Updated August 24, 2026

4,312active solicitations

Most common set-asides

  • Total Small Business Set-Aside (FAR 19.5)1,967
  • Unrestricted1,337
  • Small Business Set Aside - Total573
  • Indian Small Business Economic Enterprise (ISBEE) Set-Aside (specific to Department of Interior and Indian Health Services)180
  • Indian Small Business Economic Enterprise79

Most active NAICS codes

  • 238220232
  • 237990214
  • 236220190
  • 237310174
  • 237110163

Counts reflect active contract opportunities ingested from SAM.gov and refresh daily. Figures move as solicitations are posted, amended, and closed.

What DOI buys

  • Land and resource management services
  • Facility construction and maintenance on federal lands
  • Scientific and environmental research
  • Water infrastructure

Common NAICS codes on DOI solicitations

Small-business notes

Interior runs the Buy Indian Act authority through the Bureau of Indian Affairs and Indian Health Service, creating set-aside opportunities for Indian Economic Enterprises that exist nowhere else.

Official resources

Track DOI opportunities automatically

Fedprocai scores every SAM.gov opportunity against your company profile and surfaces the DOI solicitations you can actually win — matched on your NAICS codes, certifications, and past performance.

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