Data / Federal awards / NAICS 237990 / Department of the Interior
Department of the Interior contracts under NAICS 237990 Other Heavy and Civil Engineering Construction: $1.8 billion to 266 recipients (FY2024 to FY2027)
Updated October 6, 2026. Source: USAspending.gov.
Department of the Interior obligated $1.8 billion under NAICS 237990, Other Heavy and Civil Engineering Construction, across 426 contract awards to 266 named recipients in fiscal years 2024 to 2027. The largest recipients are NW CONSTRUCTION, INC ($454.2 million), KIEWIT INFRASTRUCTURE WEST CO. ($321.2 million), AMES FEDERAL CONTRACTING GROUP LLC ($115.1 million). 155 opportunities under this code are open on SAM.gov now.
The request: Every federal contract awarded by Department of the Interior under NAICS 237990, with the winner, the value and the period of performance. $10 of work on sign-up, no card.
SpecStream is the live web data engine for teams and agents. It reads every federal contract award on USAspending.gov and every open opportunity on SAM.gov, and this page is that reading. Ask for the awards in your niche and the winners, agencies, values and recompetes arrive in your sheet, CRM, Slack or agent as they are reported.
- Agency
- Department of the Interior
- NAICS code
- 237990 Other Heavy and Civil Engineering Construction
- Contract awards
- 426
- Obligated
- $1.8 billion
- Named recipients
- 266
- Small business share of obligations
- 44%
- Full and open competition share
- 97%
- Set aside share
- 31%
- Latest action
- 2026-09-25
Open opportunities in this niche
The same code on SAM.gov, read each morning: 155 opportunities you can still respond to.
Incumbents at this agency
Ranked by dollars obligated in fiscal years 2024 to 2027.
| Recipient | Business size | Awards | Obligated | Share |
|---|---|---|---|---|
| NW CONSTRUCTION, INC | Small Business | 6 | $454.2 million | 25.7% |
| KIEWIT INFRASTRUCTURE WEST CO. | Other Than Small Business | 2 | $321.2 million | 18.2% |
| AMES FEDERAL CONTRACTING GROUP LLC | Other Than Small Business | 1 | $115.1 million | 6.5% |
| STONE & LIME IMPORTS, INC | Small Business | 2 | $55.5 million | 3.1% |
| COASTAL CONSTRUCTION GROUP, LLC | Other Than Small Business | 1 | $48.8 million | 2.8% |
| GARCO CONSTRUCTION, INC. | Other Than Small Business | 2 | $45 million | 2.5% |
| SNC TALLIMAT, LLC | Small Business | 2 | $36.2 million | 2.0% |
| MCMILLEN, INC. | Other Than Small Business | 3 | $29.7 million | 1.7% |
| ADVANCED AMERICAN CONSTRUCTION, INC. | Small Business | 1 | $29.5 million | 1.7% |
| PIPKIN INC. | Small Business | 4 | $27.7 million | 1.6% |
| INTERSTATE ROCK PRODUCTS, INC. | Small Business | 1 | $22.3 million | 1.3% |
| JRCRUZ CORP. | Other Than Small Business | 1 | $21.5 million | 1.2% |
| ALLIANCE STEEL CONSTRUCTION, INC. | Small Business | 1 | $21.2 million | 1.2% |
| A&R PACIFIC-GARNEY FEDERAL JV II | Small Business | 1 | $19 million | 1.1% |
| FORGEN LLC | Other Than Small Business | 1 | $18.5 million | 1.0% |
| MARINE DIVING SOLUTIONS, LLC. | Small Business | 4 | $18.2 million | 1.0% |
| WCA CONSTRUCTION, LLC | Small Business | 1 | $16.3 million | 0.9% |
| TEHAMA TECHNICAL SERVICES, LLC | Small Business | 1 | $15.9 million | 0.9% |
| CAPE ROMAIN CONTRACTORS, INC | Small Business | 1 | $15.7 million | 0.9% |
| GE RENEWABLES US LLC | Other Than Small Business | 2 | $15.5 million | 0.9% |
| UNICO MECHANICAL CORP. | Small Business | 2 | $14.9 million | 0.8% |
| DICKERSON INFRASTRUCTURE INC | Small Business | 1 | $14.5 million | 0.8% |
| T1 CONSTRUCTION LLC | Small Business | 1 | $13.2 million | 0.7% |
| JADE CREEK CONSTRUCTION LLC | Small Business | 1 | $10.7 million | 0.6% |
| AVENTUS NV, INC. | Small Business | 5 | $10.6 million | 0.6% |
| KREW HEAVY CIVIL LLC | Other Than Small Business | 1 | $10.5 million | 0.6% |
| RANDY KINDER EXCAVATING INC | Small Business | 1 | $10.5 million | 0.6% |
| DOFINE SPRINKLER REBUILDERS INC | Small Business | 7 | $10.3 million | 0.6% |
| STGP MALCOLM JV LLC | Small Business | 2 | $10.3 million | 0.6% |
| HARTMAN-WALSH PAINTING COMPANY | Small Business | 1 | $9.5 million | 0.5% |
| WEMCO-GARCO MP JV1 | Small Business | 1 | $9.4 million | 0.5% |
| HOOKER CREEK INC | Small Business | 2 | $9.2 million | 0.5% |
| V PAVKOV CONTRACTING CO INC | Small Business | 1 | $9 million | 0.5% |
| BURKE ELECTRIC, L.L.C. | Small Business | 1 | $8.9 million | 0.5% |
| KOMADA LLC | Small Business | 1 | $8.7 million | 0.5% |
| KC CONSTRUCTION CO | Small Business | 1 | $7.9 million | 0.4% |
| YELLOWSTONE ELECTRIC CO | Small Business | 1 | $7.8 million | 0.4% |
| YOUDERIAN CONSTRUCTION INC | Small Business | 6 | $7.4 million | 0.4% |
| PALOUSE POWER LLC | Small Business | 1 | $7.4 million | 0.4% |
| BAYSIDE-ERRG JV | Small Business | 5 | $7.4 million | 0.4% |
| FIRELAKE CONSTRUCTION INC | Small Business | 1 | $7.2 million | 0.4% |
| GLOBAL ENGINEERING SERVICES INC | Small Business | 3 | $6.9 million | 0.4% |
| AJCE CORPORATION | Small Business | 4 | $6.4 million | 0.4% |
| HYDRA ENGINEERING & CONSTRUCTION, LLC | Small Business | 2 | $6.3 million | 0.4% |
| TOGIAK LOGISTICS SERVICES, LLC | Small Business | 1 | $6.2 million | 0.3% |
| NORTH WIND GENERAL CONTRACTORS LLC | Small Business | 3 | $5.5 million | 0.3% |
| BWI TPC, A JOINT VENTURE | Other Than Small Business | 1 | $5.5 million | 0.3% |
| AMES CONSTRUCTION, INC. | Other Than Small Business | 2 | $5.4 million | 0.3% |
| TRIBAL ONE TECHNOLOGY, LLC | Small Business | 1 | $5.3 million | 0.3% |
| SOUZA CONSTRUCTION, INC. | Small Business | 1 | $5.1 million | 0.3% |
Offices buying
| Sub agency | Awards | Obligated |
|---|---|---|
| Bureau of Reclamation | 115 | $903.4 million |
| National Park Service | 111 | $672.4 million |
| Bureau of Land Management | 116 | $81 million |
| Bureau of Indian Affairs and Bureau of Indian Education | 9 | $64.1 million |
| U.S. Fish and Wildlife Service | 62 | $45.2 million |
| U.S. Geological Survey | 5 | $328,448 |
| Office of Surface Mining, Reclamation and Enforcement | 8 | $258,449 |
Obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2024 | $451.7 million |
| FY2025 | $820.6 million |
| FY2026 | $494.3 million |
Products and services bought
| Code | Product or service | Awards | Obligated |
|---|---|---|---|
| Z2KA | Repair or Alteration of Dams | 38 | $677.7 million |
| Y1PZ | Construction of Other Non-Building Facilities | 54 | $348.3 million |
| Y1PD | Construction of Waste Treatment and Storage Facilities | 1 | $217.9 million |
| Z2PZ | Repair or Alteration of Other Non-Building Facilities | 37 | $60.1 million |
| Y1PA | Construction of Recreation Facilities (non-Building) | 36 | $50.3 million |
| Z2KB | Repair or Alteration of Canals | 19 | $38.6 million |
| Y1KA | Construction of Dams | 7 | $37.4 million |
| Y1NE | Construction of Water Supply Facilities | 2 | $34.9 million |
Largest contract awards
| Award ID | Recipient | Agency | Type | NAICS | What it buys | Obligated in window | Award value | Starts | Ends | Place of performance | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 140R2025C0004 | NW CONSTRUCTION, INC | Department of the Interior | Definitive Contract | 237990 | THE WORK REQUIRED IS FOR PHASE II OF B.F. SISK DAM SOD MODIFICATIONS. | $257,398,219 | $257,398,219 | March 20, 2025 | February 7, 2029 | Los Banos, CA | usaspending.gov |
| 140P2025C0038 | KIEWIT INFRASTRUCTURE WEST CO. | Department of the Interior | Definitive Contract | 237990 | YOSE 196416 REHABILITATE EL PORTAL WASTEWATER TREATMENT FACILITY AND ADMINISTRATIVE CAMP THE WORK OF THIS CONTRACT IS FOR THE CONSTRUCTION O | $217,879,373 | $217,879,373 | May 16, 2025 | August 17, 2029 | El Portal, CA | usaspending.gov |
| 140R4025C0005 | AMES FEDERAL CONTRACTING GROUP LLC | Department of the Interior | Definitive Contract | 237990 | THE WORK ASSOCIATED WITH THE HYRUM DAM SPILLWAY REPLACEMENT PROJECT WILL TAKE PLACE APPROXIMATELY 9 MILES SOUTHWEST OF LOGAN, UTAH IN CACHE | $115,063,658 | $115,063,658 | March 21, 2025 | February 10, 2029 | Hyrum, UT | usaspending.gov |
| 140P2026C0032 | KIEWIT INFRASTRUCTURE WEST CO. | Department of the Interior | Definitive Contract | 237990 | YOSE 215363 - REPLACE TUOLUMNE MEADOWS WASTEWATER TREATMENT PLANT, AT YOSEMITE NATIONAL PARK IN CALIFORNIA. | $103,310,000 | $103,310,000 | June 11, 2026 | December 31, 2031 | Mariposa, CA | usaspending.gov |
| 140R2025C0006 | NW CONSTRUCTION, INC | Department of the Interior | Definitive Contract | 237990 | IMPROVE OPERATIONS AT ARROYO CANAL FISH SCREEN/SACK DAM FISH PASSAGE PROJECT | $94,718,633 | $94,718,633 | July 15, 2025 | July 9, 2028 | Dos Palos, CA | usaspending.gov |
| 140R6024C0008 | NW CONSTRUCTION, INC | Department of the Interior | Definitive Contract | 237990 | ST. MARY CANAL DIVERSION WORKS DAM REPLACEMENT AND FISH MODIFICATION, MILK RIVER PROJECT, MONTANA | $92,177,122 | $92,177,122 | June 3, 2024 | July 25, 2028 | Babb, MT | usaspending.gov |
| 140P2024C0088 | COASTAL CONSTRUCTION GROUP, LLC | Department of the Interior | Definitive Contract | 237990 | SLBE 318729 - REHABILITATION OF MANITOU ISLANDS, AT SLEEPING BEAR DUNES NATIONAL LAKESHORE, MI | $48,783,773 | $48,783,773 | September 26, 2024 | July 15, 2027 | Empire, MI | usaspending.gov |
| 140R1023C0008 | GARCO CONSTRUCTION, INC. | Department of the Interior | Definitive Contract | 237990 | CLE ELUM DAM FISH PASSAGE FACILITY ADULT FACILITY, YAKIMA RIVER BASIN WATER ENHANCEMENT PROJECT, WASHINGTON | $40,112,985 | $61,712,985 | September 13, 2023 | June 1, 2027 | Cle Elum, WA | usaspending.gov |
| 140P2026C0012 | STONE & LIME IMPORTS, INC | Department of the Interior | Definitive Contract | 237990 | CASA 324271, CASTILLO DE SAN MARCOS NATIONAL MONUMENT, REPAIR AND RAISE SEAWALL | $37,957,000 | $37,957,000 | May 7, 2026 | January 28, 2028 | Saint Augustine, FL | usaspending.gov |
| 140R1024C0001 | ADVANCED AMERICAN CONSTRUCTION, INC. | Department of the Interior | Definitive Contract | 237990 | FISH SCREEN REPLACEMENT - ROZA DIVERSION DAM | $29,469,416 | $29,469,416 | January 17, 2024 | May 2, 2026 | Yakima, WA | usaspending.gov |
| 140P2025C0020 | SNC TALLIMAT, LLC | Department of the Interior | Definitive Contract | 237990 | EXTEND PUBLIC LAUNCH RAMP AT HEMENWAY HARBOR - 332529, LAKE MEAD NATIONAL RECREATION AREA, BOULDER CITY, NEVADA | $22,849,809 | $22,849,809 | January 31, 2025 | May 16, 2027 | Boulder City, NV | usaspending.gov |
| 140P2024C0026 | INTERSTATE ROCK PRODUCTS, INC. | Department of the Interior | Definitive Contract | 237990 | ZION 317454/240254/319664/352304 - REHABILITATE SOUTH CAMPGROUND WITH CAPITAL IMPROVEMENTS AND CONSTRUCT WILDERNESS PERMIT OFFICE AND FEE ST | $22,267,018 | $22,267,018 | January 25, 2024 | June 23, 2026 | Springdale, UT | usaspending.gov |
| 140P2024C0057 | JRCRUZ CORP. | Department of the Interior | Definitive Contract | 237990 | GATE 318738 - DESIGN BUILD - REHAB WATER, WASTEWATER, AND STORMWATER UTILITY SYSTEMS AT FORT WADSWORTH | $21,500,000 | $21,500,000 | July 22, 2024 | December 20, 2026 | Staten Island, NY | usaspending.gov |
| 140P2024C0052 | ALLIANCE STEEL CONSTRUCTION, INC. | Department of the Interior | Definitive Contract | 237990 | APIS - 270691 APOSTLE ISLAND NATIONAL PARK, WI - REHABILITATE WATERFRONT AT LITTLE SAND BAY AND DEVILS ISLAND, RECONSTRUCT BOATHOUSE | $21,233,389 | $21,233,389 | September 3, 2024 | September 30, 2026 | Bayfield, WI | usaspending.gov |
| 140A1626C0006 | MCMILLEN, INC. | Department of the Interior | Definitive Contract | 237990 | CRIP MC CHECKS AND LATERAL 73 CONSTRUCTION | $20,951,505 | $20,951,505 | July 2, 2026 | August 11, 2028 | Parker, AZ | usaspending.gov |
| 140P2025C0069 | A&R PACIFIC-GARNEY FEDERAL JV II | Department of the Interior | Definitive Contract | 237990 | YOSE 228647 REHABILITATE TUOLUMNE MEADOWS WATER DISTRIBUTION SYSTEM. THIS PROJECT REHABILITATES THE TUOLUMNE MEADOWS WATER DISTRIBUTION SYST | $19,039,200 | $19,039,200 | September 24, 2025 | August 28, 2028 | Mariposa, CA | usaspending.gov |
| 140R1024C0002 | PIPKIN INC. | Department of the Interior | Definitive Contract | 237990 | KACHESS DAM MODIFICATION PHASE 3 YAKIMA PROJECT, WASHINGTON, BUREAU OF RECLAMATION C-PN REGION | $18,713,219 | $18,713,219 | April 2, 2024 | August 27, 2026 | Easton, WA | usaspending.gov |
| 140R2025C0011 | FORGEN LLC | Department of the Interior | Definitive Contract | 237990 | BATTLE CREEK - SOUTH DIVERSION DAM AND CANAL REMOVAL | $18,531,192 | $18,531,192 | August 27, 2025 | August 26, 2027 | Paynes Creek, CA | usaspending.gov |
| 140P2023C0121 | STONE & LIME IMPORTS, INC | Department of the Interior | Definitive Contract | 237990 | DRTO 244370/244372 - REPAIRS TO FORT JEFFERSON COUNTERSCARP & MAINTENANCE DREDGING AT DRY TORTUGAS NATIONAL PARK | $17,557,060 | $26,279,304 | October 2, 2023 | January 31, 2028 | Key West, FL | usaspending.gov |
| 140A1624C0011 | WCA CONSTRUCTION, LLC | Department of the Interior | Definitive Contract | 237990 | MENAGERS DAM REHABILITATION, SEE SECTION J FOR ATTACHMENTS. | $16,261,605 | $16,261,605 | September 5, 2024 | April 16, 2026 | Sells, AZ | usaspending.gov |
| 140A1626C0008 | TEHAMA TECHNICAL SERVICES, LLC | Department of the Interior | Definitive Contract | 237990 | BANNOCK PUMPING PLANT REHABILITATION | $15,880,000 | $15,880,000 | August 27, 2026 | July 1, 2029 | Fort Hall, ID | usaspending.gov |
| 140R2022C0015 | GE RENEWABLES US LLC | Department of the Interior | Definitive Contract | 237990 | NEW MELONES GENERATOR REWIND | $15,811,326 | $30,531,326 | August 26, 2022 | May 31, 2026 | Sonoma, CA | usaspending.gov |
| 140P2025C0012 | CAPE ROMAIN CONTRACTORS, INC | Department of the Interior | Definitive Contract | 237990 | FOSU 318708/322780 - REPLACE DOCKS AT FORT SUMTER, FORT MOULTRIE AND REHABILITATE LIBERTY SQUARE PIER | $15,657,262 | $16,130,852 | January 8, 2025 | July 29, 2026 | Charleston, SC | usaspending.gov |
| 140R4024C0014 | UNICO MECHANICAL CORP. | Department of the Interior | Definitive Contract | 237990 | BUTTERFLY VALVE REPLACEMENT - BLUE MESA POWERPLANT | $14,888,115 | $14,888,115 | September 17, 2024 | September 17, 2028 | Gunnison, CO | usaspending.gov |
| 140L0625C0002 | DICKERSON INFRASTRUCTURE INC | Department of the Interior | Definitive Contract | 237990 | CONSTRUCTION SERVICES FOR SHORELINE STABILIZATION PROJECT. | $14,535,208 | $14,535,208 | December 19, 2024 | December 21, 2026 | Jupiter, FL | usaspending.gov |
Public U.S. federal spending data (U.S. Department of the Treasury). Obligations are the contract actions dated in fiscal years 2024 to 2027 of the USAspending.gov award archive of 2026-10-06; a contract's total value is its current value as USAspending reports it, including earlier years. Recipients are matched on their SAM.gov UEI, never on the name, and are shown as the government prints them. Sole proprietorships and opted-out entities count in the totals and are not named. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.