Department of the Interior
Total awarded · trailing 12 months
$351M
$3for every U.S. household÷ 131M U.S. households
In perspective
0.5%of all $71.2B in tracked awards
34separate awards, trailing 12 months
Department of the Interior has awarded $351M across 34 federal contracts of $1M or more on record.
Data as of July 22, 2026. Source: USAspending.gov, prime contract awards $1M+. Federal spending data lags and has known gaps — this is not a real-time or complete record.
Top recipients
Where this agency’s dollars go.
All awards
| Contractor | Description | Amount |
|---|---|---|
| AMERESCO INC | IGF::OT::IGF UPGRADE AND RETROFIT MAIN INTERIOR BUILDING TO PROVIDE ENERGY SAVINGS AND WORK TOWARD BEING A NET ZERO BUILDING. | $60,426,585 |
| BELL TEXTRON INC | UNITED STATES PARK POLICE HELICOPTERS | $53,242,796 |
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | SUSTAINMENT AND OPERATIONAL SERVICES FOR THE PATIENTS AT THE HEART (PATH) EHR (TASK ORDER NO. 9) FOR DEPARTMENT OF HEALTH AND HUMAN SERVICES (HHS), INDIAN HEALTH SERVICE (IHS). | $38,325,660 |
| NICKERSON & O'DAY, INC. | ACAD 151309, DEMOLISH AND CONSTRUCT NEW MAINTENANCE FACILITY (GAOA PROJECT), ACADIA NATIONAL PARK, HANCOCK COUNTY, MAINE | $35,293,453 |
| CHUGACH SOLUTIONS ENTERPRISE, LLC | HI-MIDWAY ATOLL - BOSS CONTRACT 2022 | $23,138,595 |
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | NIH NIAID CYBER TECHNOLOGY INFRASTRUCTURE SYSTEMS SUPPORT SERVICES IN SUPPORT OF THE NATIONAL INSTITUTES OF HEALTH, NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES (NIAID), OFFICE OF CYBER INFRASTRUCTURE AND COMPUTATIONAL BIOLOGY (OCICB). | $20,323,654 |
| ARCHITECTS HAWAII LTD | ARCHITECTURAL AND ENGINEERING SERVICES - DESIGN PHASE, REPLACE USGS FACILITIES IN HAWAII | $11,056,103 |
| ECS FEDERAL, LLC | DARPA STO COMMUNICATIONS TECHNICAL AND ADMINISTRATIVE SUPPORT | $10,941,749 |
| HESS CONTRACTING LLC | GAOA - OROVADA FIRE ENGINE COVER & CREW QUARTERS, NV | $8,843,470 |
| RJS CONSTRUCTION INC | DESIGN AND RENOVATE SIPI LIBRARY | $8,291,701 |
| DOT CONSTRUCTION, INC | QUEBEC ROAD REHABILITATION | $7,739,727 |
| YELLOWSTONE ELECTRIC CO | BLACK CANYON SWITCHYARD AND STATION SERVICE UPGRADES | $7,665,726 |
| POLK & ASSOCIATES CONSTRUCTION INC | NAVAL SUPPORT ACTIVITY (NSA) REQUIRES DESIGN-BUILD (D-B) CONSTRUCTION SERVICES TO PROVIDE ALL MANAGEMENT, LABOR, AND SUPERVISION NECESSARY TO ACCOMPLISH THE DESIGN BUILD PROJECT FOR BLDG. 3168 RM 114 AND 5152 CHILLED WATER PROJECTS. SEE ASSOCIATED AT | $5,857,327 |
| BLUE WORLD CONSTRUCTION INC | BIBE 317515 REPLACE PARK WATER SYSTEM | $5,329,501 |
| RUTLEDGE AIRBORNE APPLICATIONS, LLC | SINGLE ENGINE AIR TANKER (SEAT) EXCLUSIVE USE FLIGHT SERVICES - MILES CITY, MT | $5,101,257 |
| ADVANCED SOLUTIONS GROUP, LLC | CANY NEEDLES PV SYSTEM | $4,565,883 |
| ROCK GAP ENGINEERING LLC | CON: BLDG 108 GYMNASIUM RENOVATION | $4,549,469 |
| AD HOC RESEARCH ASSOCIATES LLC | TASK ORDER TO PROVIDE FULL LIFE-CYCLE INFORMATION TECHNOLOGY (IT) SUPPORT SERVICES TO SUPPORT A VARIETY OF HUMAN RESOURCES DIRECTORATE (HRD) SOFTWARE APPLICATIONS AND SERVICES. | $4,547,660 |
| NATIONAL CONTRACTING SERVICES, LLC | DETO 228872 - REPLACE OBSOLETE HOUSING WITH MULTIPLEX UNIT | $4,168,547 |
| AJCE CORPORATION | MAMMOTH CAVES NP -RECONSTRUCT HERITAGE TRAIL BOARDWALK: | $3,485,412 |
| PIPKIN INC. | WA-LEAVENWORTH NFH-PIPELINE REPAIR | $3,089,748 |
| KEE SOLUTIONS LLC | FL-J N DING DARLING NWR-BDD04-REHAB SHOP | $3,013,905 |
| KBR WYLE SERVICES, LLC | US GEOLOGICAL SURVEY (USGS) EARTH RESOURCES OBSERVATION AND SCIENCE (EROS) CENTER - TECHNICAL SUPPORT SERVICES CONTRACT (TSSC) TASK ORDER 08 - NATIONAL LAND COVER DATABASE (NLCD) | $2,765,698 |
| DELOITTE CONSULTING LLP | DATA ANALYTICS ENGINEERING (DAE) SUPPORT SERVICE FOR THE DEPARTMENT OF HEALTH AND HUMAN SERVICES (HHS), NATIONAL INSTITUTES OF HEALTH (NIH), NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES (NIAID) | $2,551,841 |
| EXPLUS, INC. | CARTER G. WOODSON HOME NATIONAL HISTORIC SITE-EXHIBIT FABRICATION | $2,453,103 |
| FORUM ONE COMMUNICATIONS CORP | BUREAU OF RECLAMATION (BOR) ACQUIA PAAS AND SUPPORT SERVICES | $2,400,935 |
| ELVE INC | FY 2022.4, HIGH FREQUENCY IMAGING RADAR AMPLIFIER | $1,743,238 |
| NORTHSTAR INTERNATIONAL LLC | NORTHERN CALIFORNIA AREA OFFICE MODULAR INDOOR SHOOTING RANGE (MISR). SUPPLY, TRANSPORT, INSTALL MISR. PROVIDE ONE, TWO-HOUR TRAINING SESSION. OPTION TO PURCHASE SECOND MISR WITH SAME SALIENT CHARACTERISTICS. | $1,699,500 |
| SIGNATURE RENOVATIONS LLC | MULTIPLE-AWARD TASK ORDER CONTRACTS (MATOC) FOR ALT/REPAIR CONSTRUCTION SERVICES FOR THE CONTINENTAL US AND HAWAII IN ANY STATE OR US TERRITORY FOR THE DEPARTMENT OF INTERIOR (DOI) AND FOREST SERVICE | $1,597,615 |
| ONEIDA-STANTEC JV LLC | EO 14398 - ESA CONSULTATION/ NEPA SUPPORT FOR KLAMATH BASIN AREA OFFICE | $1,540,323 |
| COGNIZANCE TECHNOLOGIES, LLC | NATIONAL INSTITUTES OF HEALTH (NIH), NATIONAL INSTITUTES OF ALLERGY AND INFECTIOUS DISEASES (NIAID) ENABLING AND ADVANCING TECHNOLOGY (NEAT) SMALL BUSINESS (SB) BLANKET PURCHASE AGREEMENT (BPA) ORDER 7, AUDIOVISUAL (AV) EVENTS SUPPORT SERVICES | $1,486,719 |
| DEWEY COUNTY | ADULT DETENTION CENTER SERVICES - DEWEY COUNTY | $1,427,409 |
| MOUNTAIN BLADE RUNNER LLC | WICKENBURG T3 HELICOPTER | $1,138,725 |
| OK2 CONSTRUCTION, LLC | EO 14398 - CONSTRUCTION, REPLACE ROOFS AND PAINT EXTERIORS OF BUILDINGS IN THE PINE ISLAND MAINTENANCE YARD | $1,034,000 |