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C. J. MAHAN CONSTRUCTION COMPANY, LLC

UEI: GGGWC8MCSGT7CAGE: 3N7D2

C. J. MAHAN CONSTRUCTION COMPANY, LLC is a federal contractor, registered under UEI GGGWC8MCSGT7 and CAGE code 3N7D2. It has been awarded $1,073,202,700 across 42 federal contracts. Primary work spans Other Heavy and Civil Engineering Construction, All Other Support Services, and Water and Sewer Line and Related Structures Construction. Top awarding agencies include W072 Endist Nashville, Department Of Defense, and W072 Endist Pittsburgh.

Contact Information

Registration and classification details

Registration

UEI Code

GGGWC8MCSGT7

CAGE Code

3N7D2

Entity Structure

Partnership or Limited Liability Partnership

Established

N/A

Business Classifications

2XLJ

NAICS Codes

236220236220
237310237310
237990237990(Primary)

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

C.J. Mahan Construction Company, LLC specializes in heavy civil and infrastructure construction for federal defense installations, with deep expertise in hydraulic gate systems, lock chamber dewatering, miter gate repair, and upstream mooring cell removal. The firm delivers precision civil engineeri...

C.J. Mahan Construction Company, LLC specializes in heavy civil and infrastructure construction for federal defense installations, with deep expertise in hydraulic gate systems, lock chamber dewatering, miter gate repair, and upstream mooring cell removal. The firm delivers precision civil engineering services for U.S. Army Corps of Engineers projects, including the replacement of hydraulic cylinder assemblies, structural rehabilitation of water control infrastructure, and municipal building construction in remote locations. Their technical proficiency extends to lock and dam maintenance, dredging operations, and pump station reprocurement, demonstrating command over complex hydraulic systems and marine civil works. The contractor’s ability to execute mission-critical repairs under stringent operational constraints sets them apart in defense infrastructure support. The company maintains a consistent relationship with the Department of Defense, particularly through U.S. Army Corps of Engineers districts, performing high-stakes maintenance and modernization on navigation and flood control assets. Work is concentrated at lock and dam sites across the Ohio River Basin and Appalachian regions, indicating a strong operational footprint in federally managed waterway infrastructure. C.J. Mahan’s primary focus is under NAICS 237990—Other Heavy and Civil Engineering Construction—encompassing non-building civil works such as water control structures, marine terminals, and hydraulic system overhauls. They also execute specialized work under 237110 for water and sewer line projects, reinforcing their role in critical public utility infrastructure for defense installations. As a small business structured under 2K, C.J. Mahan Construction Company, LLC operates from Urbancrest, Ohio, with a regional presence focused on DoD and USACE projects in the eastern United States. While no formal government certifications are listed, their track record reflects sustained performance in technically demanding, safety-sensitive environments typical of federal civil works contracting.

Key Performance Metrics

Total Awards

L12M
$0

Contracts

L12M
$0

Subcontracts

L12M
$0

Grants

L12M
$0

Subgrants

L12M
$0

Awards Count

0

Active

0

Completed

0

Award Analytics & Distribution

Awards by Agency

Export
W072 Endist Nashville$558.4M • 52.03%
Department Of Defense$501.2M • 46.7%
W072 Endist Pittsburgh$13.6M • 1.27%

Awards by NAICS

Export
Other Heavy and Civil Engineering Construction 237990 $998.2M • 93.01%
All Other Support Services561990 $26.7M • 2.49%
Water and Sewer Line and Related Structures Construction 237110 $23.3M • 2.17%
Structural Steel and Precast Concrete Contractors 238120 $14.3M • 1.33%
Ship Building and Repairing 336611 $10.7M • 0.99%

Awards by Place of Performance