USAspending.gov · federal agency · CY2024 · code 014
Department of the Interior (DOI)
Federal contract spending profile, contract obligations, budget authority and top contractors, from USAspending.gov.
- Corpus rank
- #13 of 65
- Contract obligations (CY2024)
- $7.9B
- Budget authority
- $89.9B
- Agency
- DOI
Year-over-year change, 2019–2024
Across the calendar years on file, Department of the Interior’s annual contract obligations rose from $7.7B in 2023 to $7.9B in 2024. 1.6% vs 2023
Calendar-year prime contract obligations by action date (award types A-D). Annual figures share the calendar-year basis of the CY2024 headline above; budget authority is a separate measure.
How Department of the Interior leads the CY2024 obligation board
$7.9B · #13 of 65 by CY2024 contract obligations (top quartile nationally) - a top-third USAspending agency by calendar-2024 contract obligations (same board as the agencies listing). See methodology.
From calendar 2019 to 2024, Department of the Interior climbed from #15 to #13 of 66 agencies in the annual contract-obligation series. Its share of that year’s tracked agency total moved from 0.68% to 1.05%. Across the available annual series, its obligations ranged from $3.9B in 2019 to $7.9B in 2024, a 2.0x spread.
Acacia Center for Justice is the largest listed prime contractor at $324.6M, or 4.1% of this agency’s calendar-2024 obligation total. The table below shows the remaining named prime recipients in the extract. Contract obligations ($7.9B) are a thin slice of the $89.9B budget-authority ceiling - most of the legal authority is outside this contract window. Methodology documents the distinct populations and the Treasury source fields.
Top Contractors
| # | Contractor | Amount |
|---|---|---|
| 1 | Acacia Center for Justice | $324.6M |
| 2 | General Dynamics Information Technology, Inc. | $248.8M |
| 3 | Tepa Ec, LLC | $180.2M |
| 4 | Guidehouse Inc. | $159.3M |
| 5 | Hensel Phelps Construction Co | $107.5M |
| 6 | Nw Construction, Inc | $96.8M |
| 7 | Deep Mile Networks LLC | $84.5M |
| 8 | Lumen Technologies Government Solutions, Inc. | $66.4M |
| 9 | Accenture Federal Services LLC | $65.1M |
| 10 | Booz Allen Hamilton Inc | $64.2M |
| 11 | Kbr Wyle Services, LLC | $61.0M |
| 12 | Seneca Strategic Partners, LLC | $60.4M |
| 13 | Perimeter Solutions LP | $58.7M |
| 14 | Mathematica Inc. | $54.9M |
Source: USAspending.gov · U.S. Department of the Treasury
Nearby mega-scale agencies
Data-derived peers across the USAspending agency extract: nearest contract-obligation scale and nearest budget authority. Not recommendations or same-department siblings.
Closest CY2024 contract obligations
Similar budget authority
Disclaimer: Data from USAspending.gov public records. For informational purposes only. Contract amounts are aggregated and may not reflect the most current modifications or de-obligations. Always verify with official sources.
Next read: Top defense contractors guide · All agencies · Top contractors
Read our methodology - how this data is sourced, computed, and verified.