| #1 | Optum Public Sector Solutions, INC. UEI XMUZGJN98231 | 86 | $44B |
| #2 | Oshkosh Defense LLC UEI ZMXAHH8M8VL8 | 123,016 | $18B |
| #3 | Optumserve Health Services, INC. UEI G5XXLHZSW8X3 | 396 | $9.9B |
| #4 | Marinette Marine Corporation UEI UZWBWJN3NLP3 | 127 | $2.8B |
| #5 | Amtec Corporation UEI Y6PYN1Q8UKY7 | 55 | $1.9B |
| #6 | Wisconsin Physicians Service Insurance Corp. UEI HLY2E796N2L3 | 23 | $1.7B |
| #7 | Great Lakes Educational Loan Services, INC UEI RJLKXXWKNDH3 | 33 | $1.3B |
| #8 | General Electric Company UEI DJY8WLTGF577 | 7,390 | $1.3B |
| #9 | Goodwill Industries Of Southeastern Wisconsin, INC. UEI KAAVJRR2JGW9 | 39 | $1.0B |
| #10 | Johnson Controls Government Systems, LLC UEI RXNUR4G46NG3 | 111 | $900M |
| #11 | Krueger International, INC. UEI PAZHQEMYTSD8 | 7,525 | $760M |
| #12 | Lakeside Foods INC UEI WNMQNPA6BPK3 | 396 | $652M |
| #13 | Fairbanks Morse, LLC UEI TJ2MWNHN22G8 | 1,435 | $607M |
| #14 | Ge Precision Healthcare LLC UEI JJURYE5M19G1 | 1,897 | $582M |
| #15 | Industries For The Blind And Visually Impaired, INC. UEI LHSBQKG97P89 | 4,056 | $509M |
| #16 | Konecranes Nuclear Equipment & Services, LLC UEI SSHKFEPCWP31 | 27 | $492M |
| #17 | Pierce Manufacturing INC UEI ZHMHC2YER1X3 | 452 | $478M |
| #18 | Idsc Holdings LLC UEI SJL9Q452QBL5 | 213,941 | $468M |
| #19 | Datex-ohmeda, INC. UEI NDZNF9EW7NP7 | 1,147 | $451M |
| #20 | Trane U.S. INC. UEI QJFJBF8ZBUM8 | 1,079 | $437M |
| #21 | J. F. Brennan Company, INC. UEI LK42U7KJQKW4 | 59 | $437M |
| #22 | Johnson Controls, INC UEI CE8MGXAS9KJ6 | 1,634 | $434M |
| #23 | Statz Corp UEI CE68LE9NASB5 | 13,392 | $403M |
| #24 | Didion, INC. UEI EM9JSV6EBFU5 | 263 | $384M |
| #25 | Michels Corp UEI DLHBUYNTJP71 | 16 | $361M |
| #26 | Masters Gallery Foods, Incorporated UEI KYKSJCN78W43 | 223 | $327M |
| #27 | Tower Industries, INC. UEI C743LFW4MN86 | 7 | $320M |
| #28 | Sustainment & Restoration Services, LLC UEI JJM5BPY5NUK1 | 252 | $304M |
| #29 | Flexion INC UEI GQJEZ44GH5S5 | 132 | $265M |
| #30 | Drs Naval Power Systems INC UEI GXPHJRVG9MR7 | 768 | $247M |
| #31 | Advancia Technologies, LLC UEI E1JKCKR18K69 | 155 | $220M |
| #32 | Oshkosh Airport Products LLC UEI E3N2LUFLKBN5 | 86 | $205M |
| #33 | Complete Mobile Dentistry, INC. UEI NB7PM7826G83 | 30 | $192M |
| #34 | Advancia Aeronautics, LLC UEI N11PKHJ1VTF5 | 53 | $186M |
| #35 | 1prospect Technologies, LLC UEI GX2WMLVX8JH9 | 135 | $180M |
| #36 | Truck Country Of Wisconsin, INC. UEI JMR7U4NJH3N4 | 1,514 | $178M |
| #37 | Schutt Industries Of Clintonville, Wis., INC. UEI YM6TJ6JJS2T6 | 523 | $171M |
| #38 | Oneida Total Integrated Enterprises LLC UEI HZKTS2LAEAU4 | 143 | $169M |
| #39 | Bushmans' INC. UEI QMF3VF5S7DJ8 | 143 | $168M |
| #40 | Derco Aerospace, INC. UEI NE3YWSUB81N5 | 7,214 | $162M |
| #41 | Michels Construction, INC. UEI CDE7H8M86MB5 | 13 | $155M |
| #42 | Silver Lake Construction LLC UEI W6GRJ3NZZKF9 | 60 | $151M |
| #43 | Kohler CO. UEI GCGMJMZNLGU5 | 976 | $149M |
| #44 | S3 Aerodefense LLC UEI NHNBSS7VKTD7 | 2,206 | $148M |
| #45 | University Of Wisconsin System UEI LCLSJAGTNZQ7 | 846 | $146M |
| #46 | Clarios, LLC UEI P536NXJ4GCD7 | 1,308 | $141M |
| #47 | Pomp's Tire Service, INC. UEI L581EX8Y41M3 | 1,906 | $141M |
| #48 | Mainstay Distributing, LLC UEI J3YCDVGML6L5 | 153 | $141M |
| #49 | Roen Salvage CO. UEI ECHUAM75KX86 | 47 | $136M |
| #50 | Ge Medical Systems Information Technologies, INC. UEI V4ZDCG4KSEX8 | 1,881 | $135M |