Home/Top Lists/Top Contractors in South Carolina

Federal Contractor Ranking

Top 50 Federal Contractors in South Carolina

The 50 largest federal contractors headquartered in South Carolina by total obligated dollars (FY2016–FY2026), based on recipient state address from USAspending.gov.

50
Contractors Ranked
$90B
Combined Obligated
Contractors headquartered in South Carolina
Cohort
RankContractorTotal Obligated
#1Fluor Marine Propulsion, LLC

UEI CWHMVCX7K1N6

$28B
#2Savannah River Nuclear Solutions LLC

UEI XLQ7CKUSQSD5

$18B
#3Washington River Protection Solutions LLC

UEI CQE8EF6LB317

$6.9B
#4Advanced Technology International

UEI LDMMF472BB93

$4.6B
#5Fluor Intercontinental, INC

UEI XMJWLE5WFT29

$4.4B
#6Savannah River Remediation LLC

UEI MQVGANNMJDN6

$3.5B
#7Central Plateau Cleanup Company, LLC

UEI J4TDNRDMRMZ3

$3.1B
#8Palmetto Gba, LLC

UEI CFLDECZBMDV6

$2.9B
#9Nuclear Waste Partnership LLC

UEI JA12NCN424K3

$2.2B
#10So-pak-co, INC

UEI R5X5DXMX96M4

$1.9B
#11Fluor Enterprises, INC.

UEI EN3KS29K9M59

$1.3B
#12Detyens Shipyards INC

UEI VLXGTHQE5ES7

$1.2B
#13Companion Data Services LLC

UEI FMV5MKKUNH36

$1.1B
#14Technica LLC

UEI XDW8QYRZ14K9

$746M
#15Fn America LLC

UEI EQGGN3DKP8K3

$590M
#16Life Cycle Engineering INC

UEI S95EAVECVJA7

$570M
#17US Foods INC

UEI JM2PSZ26CGJ6

$523M
#18Atlas Technologies, INC.

UEI CDKRUNL7D419

$504M
#19Fluor Federal Solutions, LLC

UEI ZJG9LCFG13S9

$448M
#20South Carolina Commission For Blind

UEI JYLLL2YTFQ33

$447M
#21Marinex Construction INC

UEI NLNZS42SH3D6

$417M
#22Keenan Ft Detrick Energy LLC

UEI UJ92Y2J5NLK9

$406M
#23Fluor Federal Services INC

UEI NZ9CUMF36PK1

$395M
#24Orbis Sibro INC

UEI KS91NKS9M428

$371M
#25Mercom, Incorporated

UEI ZP9UC8X53NG7

$357M
#26Fluor Amec Ii, LLC

UEI KEKNU6BHHKW9

$318M
#27Nexgen Data Systems INC

UEI KEQ1SSDKM6L5

$317M
#28Vgs Infrastructure Services INC

UEI M3F3BNAJHDN5

$263M
#29Agfa Healthcare Corporation

UEI KV19ND1TM3Z9

$237M
#30Southern Ohio Cleanup Company LLC

UEI NYYVB7U3D766

$234M
#31Senn Bros., INC.

UEI JN9YW7K5WYP3

$228M
#32Diversified Protection Corp

UEI EFKMRSEAE2K3

$213M
#33Southern Dredging CO INC

UEI JXVMX8LB9W17

$194M
#34Vgs Aircraft Services, INC.

UEI NSBJAVDB5E91

$192M
#35The Cameron Bell Corporation

UEI MJPNRU2DSNF8

$187M
#36Mccall Farms INC

UEI DHTAWQX4XBE1

$185M
#37Elevated Technologies, INC

UEI MYS9ZCJUSZ25

$181M
#38Adapt Forward LLC

UEI FH74MM2CFW63

$180M
#39Mitchell Brothers INC

UEI JALLSJ9K5XQ8

$175M
#40Ishpi Information Technologies INC.

UEI LN96DPZY5955

$172M
#41Critical Solutions International, LLC

UEI HZB5WN949GN7

$169M
#42Westinghouse Government Services LLC

UEI N1NLKX42JKN5

$167M
#43Southeastern Paper Group, LLC

UEI YVCHMSVKXKG9

$157M
#44Ignite Digital Federal Services, LLC

UEI M64TAHG7FYN5

$144M
#45Windward Enterprises, LLC

UEI DGJPCQNPKTB4

$142M
#46Champion Aerospace LLC

UEI NUA1MAF1GP59

$135M
#47Seres Engineering & Services LLC

UEI NBVMXMMBHYU3

$135M
#48Precision Air INC

UEI LLXRLN9HUFN7

$135M
#49Us&s - E2 I, LLC

UEI E25DD4T9PMA6

$133M
#50Pyramid Contracting LLC

UEI N6HFKLNTN995

$128M

Source: USAspending.gov, FY2016–FY2026. Mindy aggregates by contractor legal name and rolls up parent + subsidiary UEI relationships. Click any row to view full contracting profile.

Other Top Contractor Lists

Compete With the Top of This List

Mindy watches every contract these primes are about to lose at recompete. Get alerts 12 months out so you can position to win.

Start Free