01 / Department Profile
Interior, Department of the Federal Contracts and Spending
Department code 1400
Interior, Department of the purchases products, services, technology, construction, and mission support through its contracting agencies and offices. This profile shows how that federal buying activity is organized and where contract spending is concentrated.
02 / Market Size
Interior, Department of the contract market at a glance
Net obligations, purchasing activity, and supplier participation measured consistently across FY 2019–FY 2025.
Across FY 2019–FY 2025, Interior, Department of the accounts for 0.9% of federal net contract obligations. It records activity through 157 contracting offices. Net obligations include positive obligations and later deobligations recorded during the same period.
03 / Spending Trend
Interior, Department of the contract spending by year
Annual net obligations for FY 2019–FY 2025 show whether the department’s recorded contract market is growing or contracting. Actions and vendors indicate whether that change reflects broader purchasing activity or a smaller number of large transactions.
Total obligations$6.55B
FY 2025ObligationsHistorical spending range
| Fiscal year | Obligations | Actions | Vendors | Change |
|---|---|---|---|---|
| FY 2025 | $6.55B | 39,872 | 10,092 | −19.3% |
| FY 2024 | $8.12B | 46,029 | 10,896 | +6.3% |
| FY 2023 | $7.64B | 47,786 | 11,049 | +17.2% |
| FY 2022 | $6.52B | 47,622 | 11,021 | +28.2% |
| FY 2021 | $5.08B | 46,412 | 11,287 | +12.7% |
| FY 2020 | $4.51B | 50,495 | 12,132 | +14.7% |
| FY 2019 | $3.93B | 50,644 | 12,436 | — |
04 / Contracting Agencies
Which contracting agencies buy through Interior, Department of the?
Contracting Agencies are ranked by recorded contract obligations. Compare their share of department spending, purchasing activity, supplier participation, and leading NAICS and PSC markets, then open a profile to continue the analysis.
| Contracting agency | Code | Obligations | Department share | Actions | Vendors | Top NAICS | Top PSC |
|---|---|---|---|---|---|---|---|
| 1406 | $14.82B | 35.0% | 62,318 | 3,697 | 561210 | R499 | |
| 1443 | $8.72B | 20.6% | 75,385 | 9,203 | 237990 | Y1PD | |
| 1425 | $5.19B | 12.2% | 26,648 | 3,427 | 237110 | Y1NE | |
| 1422 | $3.96B | 9.3% | 49,056 | 5,671 | 325998 | V121 | |
| 1434 | $3.35B | 7.9% | 32,241 | 4,930 | 236220 | Y1AZ | |
| 1450 | $3.24B | 7.7% | 37,705 | 2,860 | 236220 | Y1CA | |
| 1448 | $2.41B | 5.7% | 38,549 | 6,499 | 237990 | Z1QA | |
| 1436 | $447.43M | 1.1% | 3,455 | 302 | 541370 | B510 | |
| 1435 | $188.54M | 0.4% | 2,109 | 233 | 541715 | B526 | |
| 1438 | $31.06M | 0.1% | 870 | 206 | 562910 | Z1QA |
05 / Top NAICS Industries
Which industries receive the most Interior, Department of the contract spending?
NAICS industries ranked by recorded obligations show where this department’s contract demand is concentrated and how many actions and vendors participate in each market.
| NAICS | Description | Obligations | Actions | Vendors | Department share |
|---|---|---|---|---|---|
| 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $4.63B | 13,057 | 957 | 10.9% |
| 541512 | COMPUTER SYSTEMS DESIGN SERVICES | $3.72B | 5,124 | 352 | 8.8% |
| 541519 | OTHER COMPUTER RELATED SERVICES | $3.35B | 18,395 | 716 | 7.9% |
| 237990 | OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION | $3.19B | 3,860 | 602 | 7.5% |
| 541611 | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES | $2.61B | 10,849 | 574 | 6.2% |
| 237110 | WATER AND SEWER LINE AND RELATED STRUCTURES CONSTRUCTION | $2.25B | 2,817 | 636 | 5.3% |
| 541330 | ENGINEERING SERVICES | $1.50B | 12,029 | 532 | 3.5% |
| 115310 | SUPPORT ACTIVITIES FOR FORESTRY | $1.13B | 10,339 | 1,358 | 2.7% |
| 541511 | CUSTOM COMPUTER PROGRAMMING SERVICES | $1.07B | 3,797 | 423 | 2.5% |
| 541110 | OFFICES OF LAWYERS | $920.86M | 153 | 25 | 2.2% |
06 / Top Product and Service Codes
What products and services does Interior, Department of the buy?
Product and Service Codes ranked by recorded obligations show the specific categories purchased by this department.
| PSC | Description | Obligations | Actions | Vendors | Department share |
|---|---|---|---|---|---|
| R499 | SUPPORT- PROFESSIONAL: OTHER | $4.70B | 21,704 | 2,297 | 11.1% |
| DA01 | IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR) | $1.77B | 3,411 | 382 | 4.2% |
| D399 | IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS | $1.25B | 5,775 | 330 | 2.9% |
| Y1NE | CONSTRUCTION OF WATER SUPPLY FACILITIES | $1.19B | 571 | 115 | 2.8% |
| C219 | ARCHITECT AND ENGINEERING- GENERAL: OTHER | $1.17B | 5,384 | 278 | 2.8% |
| R418 | SUPPORT- PROFESSIONAL: LEGAL | $998.64M | 488 | 42 | 2.4% |
| Z2KA | REPAIR OR ALTERATION OF DAMS | $963.71M | 515 | 59 | 2.3% |
| V221 | TRANSPORTATION/TRAVEL/RELOCATION- TRAVEL/LODGING/RECRUITMENT: PASSENGER AIR CHARTER | $822.66M | 14,007 | 293 | 1.9% |
| Y1PZ | CONSTRUCTION OF OTHER NON-BUILDING FACILITIES | $722.10M | 1,961 | 406 | 1.7% |
| Y1JZ | CONSTRUCTION OF MISCELLANEOUS BUILDINGS | $589.49M | 1,361 | 135 | 1.4% |
07 / Top Vendors
Which contractors receive the most Interior, Department of the obligations?
Vendors are ranked by recorded obligations to show the department’s leading incumbents, their share of spending, purchasing activity, and primary NAICS and PSC markets.
| Vendor | Obligations | Awards / actions | Share | Primary NAICS / PSC |
|---|---|---|---|---|
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $585.53M | 171 | 1.4% | NAICS 541512 · PSC DA01 |
| BOOZ ALLEN HAMILTON INC. | $554.51M | 1,234 | 1.3% | NAICS 541512 · PSC R499 |
| NW CONSTRUCTION, INC. | $529.87M | 67 | 1.3% | NAICS 237990 · PSC Z2KA |
| ACACIA CENTER FOR JUSTICE | $472.53M | 9 | 1.1% | NAICS 541110 · PSC R418 |
| VERA INSTITUTE OF JUSTICE, INC. | $444.81M | 5 | 1.1% | NAICS 541110 · PSC R418 |
| TEPA EC, LLC | $414.87M | 70 | 1.0% | NAICS 236220 · PSC Y1CA |
| DOVEL TECHNOLOGIES, LLC | $388.83M | 76 | 0.9% | NAICS 541512 · PSC R499 |
| KBR WYLE SERVICES, LLC | $346.84M | 1,266 | 0.8% | NAICS 541513 · PSC L099 |
| FAMILY ENDEAVORS, INC. | $346.53M | 13 | 0.8% | NAICS 561210 · PSC R499 |
| CDM CONSTRUCTORS INC. | $345.42M | 44 | 0.8% | NAICS 237110 · PSC Y1NE |
08 / Buying Pattern
How does Interior, Department of the award contract work?
Competition, small-business participation, set-asides, transaction size, and action types provide a compact view of how the department structures its recorded contract activity.
Competition rate 92.2%
Small-business share 9.9%
Set-aside share 50.7%
Average action value $128.8K
Largest recorded action $357.85M
09 / Recent Contract Awards
What did Interior, Department of the award most recently in FY 2019–FY 2025?
The latest recorded contract actions inside this profile’s closed fiscal-year window connect award activity with the vendors, markets, agencies, and offices shown above.
| Award / PIID | Vendor | Signed date | Obligation | NAICS | PSC | Contracting agency / office |
|---|---|---|---|---|---|---|
| 140G0124C0007 | ASSISTED BUILDING SOLUTIONS LLC | Sep 30, 2025 | $0 | 236220 | Y1JZ | US GEOLOGICAL SURVEY OFC OF ACQUSITION GRANTS-NATIONAL |
| 140D0425F0951 | SOFTWARE INFORMATION RESOURCE CORP. | Sep 30, 2025 | $0 | 541519 | DA10 | DEPARTMENTAL OFFICES IBC ACQ SVCS DIRECTORATE (00004) |
| 140A0924P0042 | HIDDEN WATER INC | Sep 30, 2025 | $0 | 562910 | F105 | BUREAU OF INDIAN AFFAIRS NAVAJO REGION |
| 140P8125F0014 | SAFE BOATS INTERNATIONAL L.L.C. | Sep 30, 2025 | $0 | 336611 | 1940 | NATIONAL PARK SERVICE PWR LAME(81000) |
| 140A2323F0181 | PMR SERVICES II, LLC | Sep 30, 2025 | $0 | 236220 | Z1EB | BUREAU OF INDIAN AFFAIRS INDIAN EDUCATION ACQUISITION OFFICE |
| 140D0422P0057 | INFOR (US), LLC | Sep 30, 2025 | $0 | 541519 | DA01 | DEPARTMENTAL OFFICES IBC ACQ SVCS DIRECTORATE (00004) |
10 / Interpreting the Profile
What does this contract market mean for a supplier?
This profile combines spending scale, the buying hierarchy, incumbent vendors, market classifications, and competition indicators. Read them together before deciding whether Interior, Department of the represents an addressable market for your company.
Read spending in context
$42.36B in recorded obligations describes historical market scale. Compare it with 328,860 contract actions and an average action value of $128.8K to understand purchasing frequency and transaction size.
Follow the actual buyers
The department total is distributed across 11 contracting agencies and 157 offices. Move into those organizations to identify who manages the programs and awards relevant to your offer.
Do not confuse scale with access
A large historical total does not mean the same amount is currently open for competition. Use the 92.2% competition rate, set-aside share, recent awards, and current opportunities to estimate what may actually be addressable.
Test market fit and incumbency
Compare leading vendors with NAICS 236220 and PSC R499. Supplier concentration and competition reveal whether demand aligns with your capabilities and how difficult displacement may be.