Vendor, Urbancrest, OH
C. J. Mahan Construction Company, LLC
UEI GGGWC8MCSGT7, CAGE 3N7D2
25 awards and $322,563,168 obligated between January 5, 2024 and June 1, 2026, 100% under full and open competition, against 2.9 offers on average where reported. 56 of the awards trace back to a SAM.gov solicitation on this site.
Industries
NAICS on the awards, by dollars.
| Other Heavy and Civil Engineering ConstructionNAICS 237990 | $283,770,251 |
| Water and Sewer Line and Related Structures ConstructionNAICS 237110 | $24,900,592 |
| All Other Support ServicesNAICS 561990 | $11,983,000 |
| Ship Building and RepairingNAICS 336611 | $1,909,325 |
| Overhead Traveling Crane, Hoist, and Monorail System ManufacturingNAICS 333923 | $0 |
How it wins
Awards by competition, set-aside and type.
| Full and Open Competition | 25 |
| Definitive Contract | 11 |
| Delivery Order | 10 |
Solicitations it won
SAM.gov opportunities whose award USAspending attributes to this vendor.
- Award Notice - Chickamauga Lock Replacement Approach Wall and Decommissioning
Department of the Army, W072 Endist Nashville
Award noticeNAICS 237990Chattanooga, TNW912P525RA001Awarded to C. J. Mahan Construction Company, LLC for $558,374,213
Posted Feb 1332 publications - Emsworth and Dashields Locks and Dam Tow Haulage System Replacement Project
Department of the Army, W072 Endist Pittsburgh
Award noticeNAICS 237990Emsworth, PAW911WN25BA016Awarded to C. J. Mahan Construction Company, LLC for $13,620,720
Posted Jan 308 publications - Holt Lock Monolith R14 Restoration
Department of the Army, W074 Endist Mobile
Award noticeNAICS 237990Tuscaloosa, ALW9127825CA004Awarded to C. J. Mahan Construction Company, LLC for $26,306,940
Posted Jul 21, 2025 - Replace Back Channel Hydraulic Dam Gate Cylinders
Department of the Army, W072 Endist Pittsburgh
Award noticeNAICS 237990Pittsburgh, PAW911WN25B8011Awarded to C. J. Mahan Construction Company, LLC for $8,635,903
Posted Jul 15, 202511 publications - Green River Lock and Dam 1 Miter Gate Repair
Department of the Army, W072 Endist Louisville
Award noticeNAICS 237990KentuckyW912QR24F0320Awarded to C. J. Mahan Construction Company, LLC for $4,990,983
Posted Feb 7, 20252 publications - Markland Locks and Dam Auxiliary Miter Gate Rehab
Department of the Army, W072 Endist Louisville
Award noticeNAICS 237990Warsaw, KYW912QR24F0271Awarded to C. J. Mahan Construction Company, LLC for $5,013,000
Posted Sep 13, 2024 - Grand Prairie Pump Station Re-Procurement
Department of the Army, W07V Endist Memphis
Award noticeNAICS 237110ArkansasW912EQ24C0010Awarded to C. J. Mahan Construction Company, LLC for $18,620,920
Posted Jun 25, 2024
Awards
Every award in the window, by dollars obligated.
| Contract | Awarding office | Described as | Obligated |
|---|---|---|---|
| W912P526CA002Definitive Contract, February 12, 2026, Full and Open Competition, 1 offersSolicitation | W072 Endist NashvilleDepartment of the Army | Chickamauga Lock Approach Walls and Decommissioning Construction Contract with Base and Options.NAICS 237990, PSC Z2KA | $192,458,925 |
| W9127825CA004Definitive Contract, July 18, 2025, Full and Open Competition, 2 offersSolicitation | W074 Endist MobileDepartment of the Army | Holt Lock Monolith R14 RestorationNAICS 237990, PSC Y1KA | $28,370,153 |
| W912EQ24C0010Definitive Contract, June 21, 2024, Full and Open Competition, 1 offersSolicitation | W07V Endist MemphisDepartment of the Army | Grand Prairie Pump Station Re-ProcurementNAICS 237110, PSC Y1NE | $24,900,592 |
| W912P521C0009Definitive Contract, June 27, 2024, Full and Open Competition, 2 offers | W072 Endist NashvilleDepartment of the Army | CL013 and CL014 Are Entered Into Pursuant to Authority of FAR 52.243-4 Changes. Total Contract Price Is Increased by $1,597.50 to $65,152,71NAICS 237990, PSC Z2KA | $15,877,123 |
| W911WN26CA001Definitive Contract, January 30, 2026, Full and Open Competition, 4 offersSolicitation | W072 Endist PittsburghDepartment of the Army | Emsworth Locks and Dam and Dashields Locks and Dam Tow Haulage System Replacement.NAICS 237990, PSC Z2KA | $13,620,720 |
| W912QR22C0007Definitive Contract, April 2, 2024, Full and Open Competition, 2 offers | W072 Endist LouisvilleDepartment of the Army | Option 10: Fy 24 Low Water SeasonNAICS 561990, PSC Z1KA | $11,983,000 |
| W911WN25C8006Definitive Contract, April 3, 2025, Full and Open Competition, 3 offersSolicitation | W072 Endist PittsburghDepartment of the Army | Emsworth Back Channel Hydraulic Gate Cylinder Replacements.NAICS 237990, PSC Z2KA | $8,828,634 |
| W912QR24F0271Delivery Order, September 13, 2024, Full and Open Competition, 2 offersSolicitation | W072 Endist LouisvilleDepartment of the Army | Dewater Lock ChamberNAICS 237990, PSC Y1PZ | $5,979,428 |
| W9123724F0190Delivery Order, June 7, 2024, Full and Open Competition, 7 offers | W072 Endist HuntingtonDepartment of the Army | Haysi Municipal Building, Dickenson County, Haysi, VANAICS 237990, PSC Y1PZ | $5,448,047 |
| W912QR24F0320Delivery Order, September 26, 2024, Full and Open Competition, 1 offersSolicitation | W072 Endist LouisvilleDepartment of the Army | Remove and Repair Miter Gates at Green RiverNAICS 237990, PSC Y1PZ | $5,179,181 |
| W912QR20C0031Definitive Contract, January 5, 2024, Full and Open Competition, 2 offers | W072 Endist LouisvilleDepartment of the Army | Final Locks Demolition - Addition of Clause 52.211-18NAICS 237990, PSC P500 | $4,953,239 |
| W912QR23C0014Definitive Contract, February 5, 2024, Full and Open Competition, 2 offers | W072 Endist LouisvilleDepartment of the Army | Clin 0011 Added for Correction to Bulkheads.NAICS 336611, PSC J020 | $1,909,325 |
| W912QR18C0033Definitive Contract, August 16, 2024, Full and Open Competition, 4 offers | W072 Endist LouisvilleDepartment of the Army | L&D 52 Demo - CF Funds Rea ModificationNAICS 237990, PSC Y1KA | $1,668,094 |
| W912QR23F0418Delivery Order, August 16, 2024, Full and Open Competition, 2 offers | W072 Endist LouisvilleDepartment of the Army | Modification to Update Transportation of Maintenance Bulkheads from Smithland L&D to Markland L&d.NAICS 237990, PSC Y1PZ | $694,117 |
| W912P525F0007Delivery Order, October 24, 2024, Full and Open Competition, 1 offers | W072 Endist NashvilleDepartment of the Army | Kentucky Lock Upstream Mooring Cell #3 RemovalNAICS 237990, PSC Z2KA | $474,500 |
| W9123725F0027Delivery Order, December 8, 2024, Full and Open Competition, 2 offers | W072 Endist HuntingtonDepartment of the Army | Towboat Rental for the Medium Capacity Fleet, Pittsbugh, Pa>NAICS 237990, PSC Y1PZ | $173,100 |
| W912QR23F0439Delivery Order, September 19, 2024, Full and Open Competition, 2 offers | W072 Endist LouisvilleDepartment of the Army | Markland Locks and Dam Lines Shaft Pop Modification Extending from 04 October 2024 to 08 November 2025.NAICS 237990, PSC J030 | $14,990 |
| W9123724F0103Delivery Order, April 2, 2024, Full and Open Competition | W072 Endist HuntingtonDepartment of the Army | Guaranteed Amount Option Period 2 Regional Dredging Matoc Huntington District USACENAICS 237990, PSC Y1PZ | $10,000 |
| W9123725F0072Delivery Order, February 20, 2025, Full and Open Competition | W072 Endist HuntingtonDepartment of the Army | CJ Mahan Option Year 3 GaNAICS 237990, PSC Y1PZ | $10,000 |
| W9123726FA074Delivery Order, April 23, 2026, Full and Open Competition | W072 Endist HuntingtonDepartment of the Army | Guaranteed Amount Task Order.NAICS 237990, PSC M1KF | $10,000 |
| W912EK18C0022Definitive Contract, March 8, 2024, Full and Open Competition, 3 offers | W07V Endist Rock IslandDepartment of the Army | Saylorville Big Creek Supplemental PumpNAICS 237990, PSC Y1QA | $0 |
| W9123722D0004January 17, 2024, Full and Open Competition, 3 offers | W072 Endist HuntingtonDepartment of the Army | Exercise Option Period 2 for Regional Dredging Matoc Period of Performance Is 19 Jan 2024 Through 18 Jan 2025. Huntington District, Usace.NAICS 237990, PSC Y1PZ | $0 |
| W9123722D0030September 19, 2024, Full and Open Competition, 6 offersSolicitation | W072 Endist HuntingtonDepartment of the Army | Option Period 2 09/27/24 Through 09/26/25 Design-Bid-Build (Dbb) Marine Construction Within the Rivers Districts (Huntington and Pittsburgh)NAICS 237990, PSC Y1PZ | $0 |
| W9123723D0008December 20, 2024, Full and Open Competition, 7 offers | W072 Endist HuntingtonDepartment of the Army | Modification to Exercise Option Period 2 Design-Bid-Build (Dbb) Land Construction Within the Rivers Districts (Huntington, Louisville, NashvNAICS 237990, PSC Y1PZ | $0 |
| W912P523D0015September 19, 2025, Full and Open Competition, 5 offers | W072 Endist NashvilleDepartment of the Army | LRN Crane R3 Matoc - Base (Fy 23-26) - Executive Order Compliance Clause ModificationNAICS 333923, PSC 3950 | $0 |