Data / Federal awards / NAICS 237990 / C. J. MAHAN CONSTRUCTION COMPANY, LLC
C. J. MAHAN CONSTRUCTION COMPANY, LLC: 25 federal contract awards, $329.8 million obligated (FY2024 to FY2027)
Updated October 6, 2026. Source: USAspending.gov.
C. J. MAHAN CONSTRUCTION COMPANY, LLC (UEI GGGWC8MCSGT7), Urbancrest, OH, received 25 federal prime contract awards with $329.8 million obligated in fiscal years 2024 to 2027, from 1 agency under 5 NAICS codes. Its largest buyer is Department of Defense ($329.8 million) and its largest code is NAICS 237990 Other Heavy and Civil Engineering Construction.
The request: Every federal contract awarded under NAICS 237990, with the winner, the agency and the value. $10 of work on sign-up, no card.
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- UEI
- GGGWC8MCSGT7
- Location
- Urbancrest, OH
- Business size
- Other Than Small Business
- Contract awards
- 25
- Obligated
- $329.8 million
- First action in window
- 2023-10-05
- Latest action
- 2026-07-01
Where the work is
NAICS codes, with the other winners in each.
| NAICS | Industry | Awards | Obligated |
|---|---|---|---|
| 237990 | Other Heavy and Civil Engineering Construction | 21 | $288.3 million |
| 237110 | Water and Sewer Line and Related Structures Construction | 1 | $25 million |
| 561990 | All Other Support Services | 1 | $14 million |
| 336611 | Ship Building and Repairing | 1 | $2.5 million |
| 333923 | Overhead Traveling Crane, Hoist, and Monorail System Manufacturing | 1 | $0 |
Buying agencies
| Agency | Awards | Obligated |
|---|---|---|
| Department of Defense | 25 | $329.8 million |
Obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2024 | $52.9 million |
| FY2025 | $61.9 million |
| FY2026 | $215 million |
Contract awards
All 25 awards in fiscal years 2024 to 2027.
| Award ID | Agency | Type | NAICS | What it buys | Obligated in window | Award value | Starts | Ends | Place of performance | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| W912P526CA002 | Department of Defense | Definitive Contract | 237990 | CHICKAMAUGA LOCK APPROACH WALLS AND DECOMMISSIONING CONSTRUCTION CONTRACT WITH BASE AND OPTIONS. | $192,458,925 | $232,640,170 | March 9, 2026 | March 12, 2029 | Chattanooga, TN | usaspending.gov |
| W9127825CA004 | Department of Defense | Definitive Contract | 237990 | HOLT LOCK MONOLITH R14 RESTORATION | $28,370,153 | $28,370,153 | July 18, 2025 | October 30, 2026 | Northport, AL | usaspending.gov |
| W912EQ24C0010 | Department of Defense | Definitive Contract | 237110 | GRAND PRAIRIE PUMP STATION RE-PROCUREMENT | $25,001,076 | $26,930,869 | June 21, 2024 | October 31, 2028 | Biscoe, AR | usaspending.gov |
| W912P521C0009 | Department of Defense | Definitive Contract | 237990 | UPSTREAM APPROACH WALLS, CHICKAMAUGA LOCK, CHATTANOOGA TN. | $19,560,268 | $81,028,243 | September 21, 2021 | January 30, 2026 | Chattanooga, TN | usaspending.gov |
| W912QR22C0007 | Department of Defense | Definitive Contract | 561990 | OLMSTED DAM MAINTENANCE SUPPORT SERVICES: BASE CLINS - MOB/DEMOB & FY22 HWS (ABBREVIATED) | $14,009,861 | $26,378,361 | November 30, 2021 | April 30, 2026 | Olmsted, IL | usaspending.gov |
| W911WN26CA001 | Department of Defense | Definitive Contract | 237990 | EMSWORTH LOCKS AND DAM AND DASHIELDS LOCKS AND DAM TOW HAULAGE SYSTEM REPLACEMENT. | $13,620,720 | $13,620,720 | February 11, 2026 | August 21, 2029 | Emsworth, PA | usaspending.gov |
| W911WN25C8006 | Department of Defense | Definitive Contract | 237990 | EMSWORTH BACK CHANNEL HYDRAULIC GATE CYLINDER REPLACEMENTS. | $8,828,634 | $9,468,452 | April 18, 2025 | March 24, 2027 | Coraopolis, PA | usaspending.gov |
| W912QR24F0271 | Department of Defense | Delivery Order | 237990 | DEWATER LOCK CHAMBER | $5,979,428 | $6,077,728 | September 13, 2024 | November 7, 2025 | Warsaw, KY | usaspending.gov |
| W912QR20C0031 | Department of Defense | Definitive Contract | 237990 | OLMSTED L&D 53 DEMO - PHASE II | $5,758,148 | $36,264,162 | August 21, 2020 | December 31, 2023 | Grand Chain, IL | usaspending.gov |
| W9123724F0190 | Department of Defense | Delivery Order | 237990 | HAYSI MUNICIPAL BUILDING, DICKENSON COUNTY, HAYSI, VA | $5,448,047 | $5,448,047 | June 7, 2024 | December 5, 2025 | Haysi, VA | usaspending.gov |
| W912QR24F0320 | Department of Defense | Delivery Order | 237990 | REMOVE AND REPAIR MITER GATES AT GREEN RIVER | $5,179,181 | $5,179,181 | September 26, 2024 | January 13, 2026 | Reed, KY | usaspending.gov |
| W912QR23C0014 | Department of Defense | Definitive Contract | 336611 | DRY DOCKING, MAINTENANCE, AND REPAIR WORK ON A CRANE BARGE USED FOR MAINTENANCE AT THE OLMSTED LOCK AND DAM FOR THE CORPS OF ENGINEERS, LOUI | $2,517,710 | $10,663,210 | June 22, 2023 | February 27, 2026 | Golden Meadow, LA | usaspending.gov |
| W912QR18C0033 | Department of Defense | Definitive Contract | 237990 | LOCK AND DAM 52 DEMOLITION AND REMOVAL. PERIOD OF PERFORMANCE IS 800 CALENDAR DAYS FROM ISSUANCE OF NOTICE TO PROCEED. | $1,668,094 | $37,857,532 | September 26, 2018 | February 21, 2023 | Brookport, IL | usaspending.gov |
| W912QR23F0418 | Department of Defense | Delivery Order | 237990 | MARKLAND R45 REPAIR | $694,117 | $5,963,867 | September 22, 2023 | November 21, 2024 | Vevay, IN | usaspending.gov |
| W912P525F0007 | Department of Defense | Delivery Order | 237990 | KENTUCKY LOCK UPSTREAM MOORING CELL #3 REMOVAL | $474,500 | $474,500 | November 18, 2024 | February 25, 2025 | Grand Rivers, KY | usaspending.gov |
| W9123725F0027 | Department of Defense | Delivery Order | 237990 | TOWBOAT RENTAL FOR THE MEDIUM CAPACITY FLEET, PITTSBUGH, PA> | $173,100 | $173,100 | December 8, 2024 | December 17, 2024 | Hannibal, OH | usaspending.gov |
| W912QR23F0439 | Department of Defense | Delivery Order | 237990 | MARKLAND LOCKS AND DAM LINES SHAFT REPAIR. | $14,990 | $2,909,990 | September 22, 2023 | October 17, 2026 | Vevay, IN | usaspending.gov |
| W9123726FA074 | Department of Defense | Delivery Order | 237990 | GUARANTEED AMOUNT TASK ORDER. | $10,000 | $10,000 | April 23, 2026 | February 18, 2027 | Huntington, WV | usaspending.gov |
| W9123724F0103 | Department of Defense | Delivery Order | 237990 | GUARANTEED AMOUNT OPTION PERIOD 2 REGIONAL DREDGING MATOC HUNTINGTON DISTRICT USACE | $10,000 | $10,000 | January 19, 2024 | January 18, 2025 | Urbancrest, OH | usaspending.gov |
| W9123725F0072 | Department of Defense | Delivery Order | 237990 | CJ MAHAN OPTION YEAR 3 GA | $10,000 | $10,000 | January 19, 2025 | January 18, 2026 | Pittsburgh, PA | usaspending.gov |
| W912EK18C0022 | Department of Defense | Definitive Contract | 237990 | DES MOINES RIVER BASIN; SAYLORVILLE BIG CREEK BARRIER DAM; POLK COUNTY, IA; BARRIER DAM SUPPLEMENT PUMP STATION. | $0 | $11,738,042 | May 11, 2018 | October 28, 2023 | Johnston, IA | usaspending.gov |
| W9123722D0004 | Department of Defense | IDC | 237990 | BASE - REGIONAL MECHANICAL DREDGING | $0 | $45,000,000 | January 19, 2022 | usaspending.gov | ||
| W9123723D0008 | Department of Defense | IDC | 237990 | DESIGN BID BUILD LAND-BASED CONSTRUCTION PROJECTS ASSIGNED TO THE RIVERS DISTRICTS OF THE GREAT LAKES AND OHIO RIVER DIVISION WHICH INCLUDE | $0 | $98,000,000 | December 23, 2022 | usaspending.gov | ||
| W9123722D0030 | Department of Defense | IDC | 237990 | INDEFINITE DELIVERY CONTRACT FOR DESIGN BID BUILD MARINE-BASED CONSTRUCTION PROJECTS ASSIGNED TO THE RIVER DISTRICTS (HUNTINGTON AND PITTSBU | $0 | $75,000,000 | September 27, 2022 | usaspending.gov | ||
| W912P523D0015 | Department of Defense | IDC | 333923 | LRN CRANE R3 MATOC - BASE (FY 23-26) | $0 | $95,000,000 | September 21, 2023 | usaspending.gov |
Also on SpecStream
- All recipients under NAICS 237990 Other Heavy and Civil Engineering Construction
- All recipients under NAICS 237110 Water and Sewer Line and Related Structures Construction
- All recipients under NAICS 561990 All Other Support Services
- Open opportunities under NAICS 237990
- Open opportunities under NAICS 237110
- Open opportunities under NAICS 561990
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.