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Federal Agencyenvironment

Department of the Interior

DOI

DOI manages America's natural resources and cultural heritage, overseeing the National Park Service, Bureau of Land Management, Fish and Wildlife Service, and Bureau of Indian Affairs. DOI spends $4B+ annually on construction, environmental, and professional services.

$4B+
Annual Contract Spend
$16B+
Annual Budget
40%
Small Business %
Get DOI Contract Alerts →Browse Live Tenders

Set-Aside & Small Business History

Department of the Interior historically awards the following percentages of eligible contract dollars to small and disadvantaged businesses. These figures reflect agency performance against statutory goals and represent real contract opportunities for certified firms.

40%
Small Business
5%
SDVOSB
5%
WOSB
4%
HUBZone
9%
8(a)

What DOI Buys

Department of the Interior is an active buyer in the following categories. These represent the highest-volume procurement areas based on historical award data.

Park construction and maintenance
Environmental consulting
IT systems
Energy development
Scientific research
Tribal programs

How to Get on DOI's Radar

The contractors who win DOI contracts consistently aren't just responding to solicitations — they're known quantities before the solicitation is published. Here's how to build that position.

1

Target specific DOI bureaus (NPS, BLM, FWS) based on your geographic presence and capabilities

2

Register with the DOI Office of Acquisition and Property Management

3

Apply for 8(a) certification — DOI has one of the highest 8(a) award percentages in government

4

Contact regional BLM and NPS offices for construction and maintenance opportunities

Attend DOI's annual small business outreach events in Washington DC

Key Programs & Contract Vehicles

01National Park Service construction
02Bureau of Land Management energy permitting
03Bureau of Indian Affairs tribal programs
04U.S. Fish and Wildlife Conservation
05Bureau of Reclamation water infrastructure

Top NAICS Codes at DOI

These NAICS codes represent the highest-volume procurement categories at Department of the Interior. Register these codes in your SAM.gov profile to appear in agency vendor searches.

236220Commercial and Institutional Building Construction
$2.5M avg →
237310Highway, Street, and Bridge Construction
$5.2M avg →
541330Engineering Services
$2.2M avg →
541620Environmental Consulting Services
$650K avg →
562910Remediation Services
$3.8M avg →
541710Physical, Engineering, and Life Sciences R&D
$2.8M avg →

Frequently Asked Questions

How do I register as a vendor with DOI?

SAM.gov + DOI bureau-specific vendor outreach. Ensure your SAM.gov registration is active and includes the NAICS codes that match Department of the Interior's primary procurement categories before reaching out directly.

What certifications help with DOI contracts?

Department of the Interior awards 40% of eligible contract dollars to small businesses. SDVOSB firms receive approximately 5% of awards. 8(a)-certified firms receive approximately 9%. All applicable SBA certifications are recognized.

What does DOI spend on contracts annually?

Department of the Interior spends approximately $4B+ annually on contracts. The total agency budget is $16B+, with procurement representing the contract-deliverable portion of that spending.

How do I find active DOI solicitations?

Monitor SAM.gov and filter by Department of the Interior as the contracting agency. Set up email notifications for your NAICS codes from this agency. BidEdgeHQ monitors SAM.gov and state portals in real time, scoring every DOI solicitation against your ICP profile and delivering WhatsApp alerts for high-match opportunities.