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Federal Contractor Ranking

Top 50 Federal Contractors in Connecticut

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

50
Contractors Ranked
$211B
Combined Obligated
Contractors headquartered in Connecticut
Cohort
RankContractorTotal Obligated
#1Electric Boat Corporation

UEI E7BEKJ4V9528

$94B
#2Rtx Corporation

UEI QN1BCFY7JDJ5

$58B
#3Sikorsky Aircraft Corporation

UEI UTJWTSLMFNG4

$45B
#4Hamilton Sundstrand Corporation

UEI JC42EBJ5NFJ1

$2.0B
#5Gartner, INC.

UEI CFALLJBGZ697

$1.1B
#6The Lane Construction Corporation

UEI R1BYK4E3LAX7

$705M
#7Regan Technologies Corp

UEI PJ2BS3KYWKS5

$675M
#8Plowshare Group, INC

UEI TBJ3THVUK3H8

$653M
#9Cw Resources, INC.

UEI WFN1L9K1LAL5

$545M
#10Sonalysts INC

UEI WYFZJPX5J537

$541M
#11Mclaughlin Research Corporation

UEI CGBMKJF19GJ1

$504M
#12Rite-solutions, INC.

UEI VGCPMJFD1NN5

$476M
#13Applied Physical Sciences Corp

UEI R494GGV1AEM8

$433M
#14Ethan Allen Retail, INC.

UEI NGSMBHUNRTA7

$389M
#15Ensign-bickford Aerospace & Defense Company

UEI JU3GGVGN9ML8

$327M
#16Emprise Corporation

UEI KHKJZZMK1BD9

$302M
#17Pitney Bowes INC.

UEI CHTAKEYGS386

$296M
#18Colt's Manufacturing Company, LLC

UEI CEL7HWNM9VJ5

$259M
#19Triumph Engine Control Systems LLC

UEI N188YZJK1LL1

$242M
#20Ipsos Public Affairs, LLC

UEI G3HKA2SVBNK7

$224M
#21The Nutmeg Companies, INC.

UEI LCJ3FY3T4J43

$223M
#22Pcx Aerostructures, LLC

UEI KGUJF135PFY8

$220M
#23Yale New Haven Health Services Corporation

UEI SE36S7J6DZL1

$219M
#24Cabrera Services INC

UEI S5C9ZB4RF3A3

$204M
#25Danbury Mission Technologies, LLC

UEI ZXVZMXQM8DD9

$191M
#26Eri Services, INC.

UEI NJ8DHCK185A5

$187M
#27Apiject Systems America, INC.

UEI G9VQESMM8525

$181M
#28Moran Towing Corporation

UEI KTKUW3L4GEF6

$181M
#29The Hartford Provision Company

UEI QT2NRCXEU2D3

$180M
#30Ameritech Contracting LLC

UEI CADSMUE9J2M4

$167M
#31Treadwell Corporation (delaware)

UEI UDTCLN3WJA87

$163M
#32Goodrich Corporation

UEI F9PCHLUKLRE5

$142M
#33Blue Star Nbr LLC

UEI GNGWYF8KEDM9

$123M
#34Linde INC.

UEI M7MKJAE99XA2

$119M
#35Lifecare, INC

UEI JNKQFMHL15F3

$117M
#36Murray Benjamin Electric Company LLC

UEI E5NZAXG4MNB7

$113M
#37Pcx Aerosystems-manchester, LLC

UEI QGASDYK1ZH51

$109M
#38Louis Dreyfus Company Grains Merchandising LLC

UEI DAQKQAKJL7W3

$106M
#39Connecticut Container Corp.

UEI K4G8FRM8JKK6

$104M
#40United Rentals, INC.

UEI DZ4JXAPAU222

$95M
#41General Dynamics Information Technology, INC.

UEI YLWNUW64U1N1

$86M
#42Yale Univ

UEI FL6GV84CKN57

$85M
#43Revvity Health Sciences, INC.

UEI G2TETZJTELL4

$82M
#44Hamilton Sundstrand Space Systems International, INC

UEI ELGCK76CQE17

$78M
#45Merlin Petroleum CO INC

UEI MQWREBJJLS68

$75M
#46Morganti Group, INC. The

UEI QN92DFJKLFP2

$71M
#47Rotair Aerospace Corp

UEI XCGAMADGHC81

$70M
#48Overhaul Support Services, LLC

UEI KLK7XZ6GTYA3

$67M
#49Amerifield Jv LLC

UEI GE9DSYSLG775

$65M
#50Sikorsky Support Services INC

UEI DGMPAHA84UF3

$65M

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.

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