BesaGov

Top federal contractors in South Carolina

1,172 SAM.gov-registered federal contractors based in South Carolina. Ranked by lifetime federal award amount. Updated 2026-05-07.

Firms tracked
1,172
Top-50 lifetime $
$12.56B
Top NAICS
8

Top 50 federal contractors in South Carolina

# Firm City NAICS Lifetime $ Contracts
1 FLUOR MARINE PROPULSION, LLC GREENVILLE 541715 $4.37B 0
2 SAVANNAH RIVER NUCLEAR SOLUTIONS LLC AIKEN 561210 $3.22B 0
3 SOUTH CAROLINA DEPARTMENT OF EDUCATION WEST COLUMBIA 541720 $1.21B 0
4 CENTRAL PLATEAU CLEANUP COMPANY, LLC AIKEN 562910 $716.23M 0
5 PALMETTO GBA, LLC COLUMBIA 541990 $306.38M 0
6 SOUTHERN OHIO CLEANUP COMPANY LLC AIKEN 562910 $230.25M 0
7 COMPANION DATA SERVICES LLC COLUMBIA 518210 $218.29M 0
8 ADVANCED TECHNOLOGY INTERNATIONAL SUMMERVILLE 325414 $208.57M 0
9 SO-PAK-CO, INC MULLINS 311611 $176.21M 0
10 THE MEDICAL UNIVERSITY OF SOUTH CAROLINA CHARLESTON 541380 $170.64M 0
11 UNIVERSITY OF SOUTH CAROLINA COLUMBIA 541715 $155.66M 0
12 FLUOR INTERCONTINENTAL, INC GREENVILLE 541715 $120.91M 0
13 DETYENS SHIPYARDS INC N CHARLESTON 336611 $115.55M 0
14 FLUOR FEDERAL SERVICES INC GREENVILLE 561210 $79.21M 0
15 ATLAS TECHNOLOGIES, INC. NORTH CHARLESTON 541715 $76.71M 0
16 SOUTH CAROLINA COMMISSION FOR BLIND COLUMBIA 722310 $67.29M 0
17 COUNTY OF HORRY MYRTLE BEACH 324110 $65.79M 0
18 ELEVATED TECHNOLOGIES, INC CHARLESTON 561210 $64.93M 0
19 US FOODS INC LEXINGTON 311999 $57.97M 0
20 NATURAL RESOURCES SOUTH CAROLINA DEPARTMENT COLUMBIA 541990 $54.64M 0
21 ITC DEFENSE CORP NORTH CHARLESTON 481211 $52.72M 0
22 FARMERS TELEPHONE COOPERATIVE, INC. KINGSTREE 517111 $46.85M 0
23 DIVERSIFIED PROTECTION CORP DANIEL ISLAND 561612 $45.05M 0
24 MSI-DEFENCE SYSTEMS US, LLC ROCK HILL 332994 $44.56M 0
25 EOS INC CHARLESTON 333618 $42.21M 0
26 FN AMERICA LLC COLUMBIA 332994 $40.84M 0
27 LIFE CYCLE ENGINEERING INC NORTH CHARLESTON 541715 $40.71M 0
28 SOUTH CAROLINA STATE UNIVERSITY ORANGEBURG 611310 $39.83M 0
29 WESTINGHOUSE GOVERNMENT SERVICES LLC HOPKINS 334517 $36.97M 0
30 ORBIS SIBRO INC CHARLESTON 541330 $36.27M 0
31 VGS INFRASTRUCTURE SERVICES INC GREENVILLE 561210 $33.68M 0
32 KEENAN FT DETRICK ENERGY LLC COLUMBIA 221118 $32.80M 0
33 ADAPT FORWARD LLC NORTH CHARLESTON 541715 $31.20M 0
34 STRATTON SECURITIES INC. HILTON HEAD 332311 $29.91M 0
35 NAR MEDICAL DEPOT, LLC GREER 339114 $27.12M 0
36 MARINEX CONSTRUCTION INC CHARLESTON SC 237990 $25.84M 0
37 TECHNICA LLC CHARLESTON 811121 $25.01M 0
38 BOYER COMMERCIAL CONSTRUCTION INC COLUMBIA 236220 $23.33M 0
39 METAL TRADES, LLC YONGES ISLAND 336611 $22.48M 0
40 COMMIT ENTERPRISES INC N CHARLESTON 336611 $21.88M 0
41 TRIDENT TECHNICAL COLLEGE CHARLESTON 611310 $21.28M 0
42 TRANSOX INC WEST COLUMBIA 532283 $20.51M 0
43 NETRIST SOLUTIONS, LLC CHARLESTON 541511 $19.82M 0
44 VGS AIRCRAFT SERVICES, INC. GREENVILLE 488119 $18.19M 0
45 CHANDLER CONSTRUCTION SERVICES, INC. NINETY SIX 237110 $17.04M 0
46 SENN BROS., INC. WEST COLUMBIA 311991 $16.86M 0
47 SOUTHERN DREDGING CO INC CHARLESTON 237990 $16.63M 0
48 NEXGEN DATA SYSTEMS INC NORTH CHARLESTON 541715 $16.17M 0
49 USVETSERV, LLC SIMPSONVILLE 326111 $15.63M 0
50 RPI-CSS, LLC COLUMBIA 541620 $15.32M 0

Top NAICS in South Carolina

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FAQ

How many federal contractors are based in South Carolina?

BesaGov tracks 1,172 SAM.gov-registered firms whose physical state of business is South Carolina. The list updates weekly as new entities register or update their SAM profile.

Who are the largest federal contractors in South Carolina?

By lifetime federal award amount, the largest South Carolina-based contractors include FLUOR MARINE PROPULSION, LLC, SAVANNAH RIVER NUCLEAR SOLUTIONS LLC, SOUTH CAROLINA DEPARTMENT OF EDUCATION. See the full top-50 list above.

Can I get notified when a new firm registers in South Carolina?

Yes. Sign up for the free weekly South Carolina digest above. We'll email you new SAM.gov registrations and award activity for the state — no login required.

Is this data official?

Firm registrations come from SAM.gov entity public extracts. Lifetime award totals come from USAspending.gov. Both are official U.S. government data sources, refreshed weekly.