Top Federal Contractors in Illinois FY2021
Federal contractors ranked by place-of-performance obligations in Illinois during fiscal year 2021.
Quick answer
UCHICAGO ARGONNE, LLC is the top FY2021 contractor in Illinois with $17,264,919,334 in ingested obligations.
Market Snapshot
Ranked contractors97
Top obligations$17,264,919,334
| Rank | UEI | Contractor | Obligations | Awards |
|---|---|---|---|---|
| 1 | JA8EP8EKX8Y9 | UCHICAGO ARGONNE, LLC | $17,264,919,334 | 1 |
| 2 | LL4FM8FTPJ89 | VYAIRE MEDICAL INC | $225,290,263 | 1 |
| 3 | VBQ8BKTK2Q81 | ITILITY, L.L.C | $211,901,657 | 1 |
| 4 | MPYFY5UMSDP4 | NATIONAL OPINION RESEARCH CENTER | $155,238,688 | 3 |
| 5 | N3PBJAVNKF61 | CACI, INC. - FEDERAL | $72,462,344 | 1 |
| 6 | HQ4FB19HK6N8 | AMERICAN WATER OPERATIONS AND MAINTENANCE, LLC | $55,015,693 | 1 |
| 7 | JP6YLTEYJLT5 | STRATEGIX MANAGEMENT LLC | $44,645,488 | 1 |
| 8 | D8MVW9XGUS26 | STG INTERNATIONAL, INC. | $30,001,626 | 1 |
| 9 | TUEANX4HVQW4 | NUVEEN ASSET MANAGEMENT, LLC | $18,984,105 | 1 |
| 10 | MMCDTZN4ETB9 | DUFF & PHELPS INVESTMENT MANAGEMENT CO | $18,944,083 | 1 |
| 11 | PHZDZ8SJ5CM1 | CDW GOVERNMENT LLC | $12,988,304 | 4 |
| 12 | LJX2YHDNMDA1 | TELAFORCE LLC | $12,677,046 | 1 |
| 13 | EBWMLJZ4ZTY3 | LEYDIG, VOIT & MAYER, LTD. | $9,812,093 | 1 |
| 14 | CBT6FCKA3543 | DMT SOLUTIONS GLOBAL CORPORATION | $7,253,351 | 1 |
| 15 | JZXZSN3BBL98 | SIEMENS INDUSTRY INC | $6,922,993 | 1 |
| 16 | N63JMDNHP699 | SERGEANT CONSTRUCTION INC | $6,022,135 | 1 |
| 17 | NH3LDK8CFAK7 | ABBOTT LABORATORIES INC. | $5,856,055 | 2 |
| 18 | SMNWM6HN79X5 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $5,359,702 | 1 |
| 19 | RCK2KP74XJF1 | SYSMEX AMERICA, INC | $5,263,027 | 3 |
| 20 | WWFMTLJM8KK1 | FAGER-MCGEE COMMERCIAL CONSTRUCTION INC | $4,517,557 | 1 |
| 21 | QHBLBNKKV4U3 | ICF INCORPORATED, L.L.C. | $3,889,327 | 1 |
| 22 | R2VGJTEMCNL5 | SIEMENS GOVERNMENT TECHNOLOGIES INC | $3,556,501 | 1 |
| 23 | NN66PR7QMLR8 | DEPARTMENT OF PUBLIC HEALTH ILLINOIS | $3,157,068 | 1 |
| 24 | JALMMBN5P141 | KRUECK & SEXTON ARCHITECTS, LTD | $2,841,647 | 1 |
| 25 | W8XEAJDKMXH3 | UNIVERSITY OF ILLINOIS | $2,594,910 | 2 |
| 26 | LHURC89Z96X7 | ALOG CORP | $2,492,687 | 1 |
| 27 | FMB2B3AGSGQ3 | ALEUT SERVICES, LLC | $2,396,063 | 1 |
| 28 | FHKLJV1NP651 | SMITHS DETECTION INC. | $2,266,074 | 1 |
| 29 | TENRPZGMAGJ6 | W S DARLEY & CO | $2,165,819 | 2 |
| 30 | FMAXVEZHLB34 | EX LIBRIS USA INC | $2,100,538 | 1 |
| 31 | DGBUFQYMKWB5 | IIT RESEARCH INSTITUTE | $1,984,676 | 1 |
| 32 | TV5JSF3NE1U1 | NEWARK CORPORATION | $1,751,995 | 5 |
| 33 | HZYTJENLLM81 | US FOODS INC | $1,715,017 | 1 |
| 34 | MKSJB4H33TJ5 | AW-SORT LLC | $1,571,315 | 1 |
| 35 | L3AXXYLB3V56 | ABBOTT LABORATORIES INC. | $1,569,198 | 3 |
| 36 | Z5LLHNEXM9L8 | CARTRIDGE TECHNOLOGIES, LLC | $1,497,682 | 1 |
| 37 | CALKP4QGKLH3 | APPLIED PAVEMENT TECHNOLOGY, INC. | $1,468,062 | 2 |
| 38 | DHJPU2QYVQK7 | MICROLINK DEVICES INC | $1,134,999 | 1 |
| 39 | HTYJC5P9ZMH5 | SUPPLYCORE LLC | $1,094,194 | 3 |
| 40 | ZJEUBM5FYLQ2 | CARDINAL HEALTH 200, LLC | $1,084,349 | 138 |
| 41 | EQ76N7H4NW57 | SHARMA & ASSOCIATES INC | $1,011,445 | 3 |
| 42 | ES6RTUBDKBJ4 | CREATIVE BUSINESS SOLUTIONS, INC. | $851,520 | 1 |
| 43 | VN38G4R6FUB9 | LEICA MICROSYSTEMS INC. | $748,810 | 2 |
| 44 | XZ4ZUPC1LAK3 | GRANITE TELECOMMUNICATIONS, LLC | $704,833 | 1 |
| 45 | SJV4JRHJBM75 | GUIDON-CMTA SDVOSB JV, LLC | $665,343 | 2 |
| 46 | G39YDVQG3ZH8 | EC AMERICA, INC | $642,121 | 1 |
| 47 | NFQ6X2N6EZZ4 | TK ELEVATOR CORP | $578,568 | 1 |
| 48 | FKDJN2QZT8J6 | POSTERITY GROUP LLC | $486,577 | 1 |
| 49 | MC2TMLUWK1H6 | WISCONSIN DIAGNOSTIC LABORATORIES LLC | $460,875 | 1 |
| 50 | HUZQQ7RGZ6K8 | INNOVATIVE SUPPORT SOLUTIONS, INC. | $422,773 | 1 |
| 51 | EMFNZND66N54 | WISS, JANNEY, ELSTNER ASSOCIATES, INC. | $394,903 | 1 |
| 52 | UCALSKTJEBJ9 | EARTH SMART ENVIRONMENTAL SOLUTIONS LLC | $327,416 | 1 |
| 53 | RP1JLTNSXXR9 | HELIOTECH | $276,590 | 1 |
| 54 | YF8QFWJLNBV8 | UNITED PARCEL SERVICE CO. | $237,645 | 1 |
| 55 | PNEUW6PR2YJ7 | WINONA INVESTMENTS INC | $224,707 | 1 |
| 56 | F4W8LKWUTGJ8 | LIFE FITNESS SALES, INC. | $203,623 | 1 |
| 57 | CFALLJBGZ697 | GARTNER, INC. | $187,265 | 1 |
| 58 | NLV6UAD1LKV8 | TOLAND MIZELL MOLNAR LLC | $186,848 | 1 |
| 59 | YVJLLS2UQAA3 | ALPHA 7 TECHNOLOGIES INC | $170,378 | 1 |
| 60 | Z1VZG6JVDRQ5 | PHIGENICS LLC | $165,290 | 1 |
| 61 | PXB2X38X4V11 | CONVERGINT TECHNOLOGIES LLC | $156,358 | 1 |
| 62 | KK6DDUVB2LL2 | VIRTUAL ENERGY SOLUTIONS INC | $115,563 | 1 |
| 63 | WH8LLL6HAX95 | ATP GOV, LLC | $104,438 | 1 |
| 64 | JHBXPMMAESY3 | SIGNET TECHNOLOGIES, INC. | $102,369 | 1 |
| 65 | MFGMH9R7GMG3 | SIRIUS FEDERAL LLC | $90,873 | 1 |
| 66 | CK77N4SCAJD3 | CELLCO PARTNERSHIP | $89,823 | 1 |
| 67 | FVBLL2KTVW97 | GLOBAL ECONOMICS GROUP, LLC | $63,423 | 1 |
| 68 | SRKNCKLXBQE9 | ISENSIX INC | $61,596 | 1 |
| 69 | SZ5JL28LQM78 | PARSIFAL CORPORATION | $45,692 | 1 |
| 70 | HE7NJQGP4ED6 | FISHER SCIENTIFIC COMPANY L.L.C. | $42,901 | 1 |
| 71 | NM4KGF2MKK96 | FISHER SCIENTIFIC COMPANY L.L.C. | $42,384 | 1 |
| 72 | MN3LAHJQQRL3 | YCUBE LLC | $41,954 | 1 |
| 73 | KPFHGJDW5115 | JC TECHNOLOGY INC | $41,725 | 1 |
| 74 | KA4NZQD8JVJ1 | EMD MILLIPORE CORP | $36,479 | 2 |
| 75 | W8MZPY6A2QD3 | ARJO INC | $35,360 | 2 |
| 76 | PKSAJJXALD28 | ENDPOINT SOLUTIONS CORP | $28,789 | 1 |
| 77 | TWJNLZXJ39F1 | AAR SUPPLY CHAIN, INC | $28,762 | 2 |
| 78 | YZTLALWM4UC7 | STERLING COMPUTERS CORPORATION | $28,466 | 1 |
| 79 | UGLDMLLFC2K9 | DEPARTMENT OF AGRICULTURE SOUTH DAKOTA | $27,109 | 1 |
| 80 | ZUE9HKT2CLC9 | UNIVERSITY OF CHICAGO | $25,000 | 1 |
| 81 | MKREBLMW1K55 | C.R. POWLESS & CO LLC | $19,250 | 1 |
| 82 | Z41CV6CNA8J4 | MCDONNELL BOEHNEN HULBERT & BERGHOFF LLP | $18,418 | 1 |
| 83 | EW31QVDYBNK5 | DJ PRODUCTS INC | $17,921 | 1 |
| 84 | HA3GWLK3JK58 | EVOQUA WATER TECHNOLOGIES LLC | $17,344 | 1 |
| 85 | HKHULGLELAL8 | US STORAGE 1 STEEL GROUP LLC | $14,336 | 1 |
| 86 | RSKLEFCZ6127 | BAXTER HEALTHCARE CORPORATION | $13,910 | 1 |
| 87 | SUYABTMLZ4J3 | PRO FENCE II, INC | $13,345 | 1 |
| 88 | DBQGN324ULK3 | W.W. GRAINGER, INC. | $11,296 | 1 |
| 89 | TFZGCFFNPC76 | AUDIOLOGICAL SERVICE & SUPPLY CO INC | $10,535 | 1 |
| 90 | XXRHKX9DDVL1 | CAVANAUGH GOVERNMENT GROUP, LLC | $8,892 | 1 |
| 91 | U23MNWN6V2C7 | TW METALS, INC. | $5,411 | 3 |
| 92 | MXB2U9UM7TL5 | OLIN WINCHESTER LLC | $2,193 | 1 |
| 93 | PX72BSBQTKJ3 | DMS PHARMACEUTICAL GROUP INC | $1,337 | 1 |
| 94 | CH99JX4FTLN6 | WELKINS LLC | $500 | 1 |
| 95 | LM1KVJMK8YC6 | TRUE NORTH LOGISTICS LLC | $500 | 1 |
| 96 | NPAJNNWFQ8J5 | UNCOMN LLC | $500 | 1 |
| 97 | HGBYRKLGD147 | PRODUCTIVE RESOURCES, LLC | $500 | 1 |
Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.