| 88285027 | CEI | Western University of Health Sciences | 6025205 |
| 99575383 | CEI | Computer Enterprises, Inc. | 8345569 |
| 97000609 | CEI | Cultural Exchange Initiative, Inc. | 6852128 |
| 86125182 | CEI | CEI EQUIPMENT COMPANY LLC | 4560296 |
| 86644057 | CEI | Maricopa County Community College District | 4880869 |
| 76403989 | CEI | COSMETIC ESSENCE, LLC | 2692969 |
| 87862891 | CEI | Duty Free Caribbean Emeralds (St. Lucia)Ltd. | 5748624 |
| 88233151 | CEI | CEI Group, LLC | 5805215 |
| 98840133 | CEI | Central Environmental, Inc. | — |
| 74455933 | CEI | QUALITY METAL SUPPLY, LLC | 1858061 |
| 87710678 | CEI | C.E.I. - COSTRUZIONE EMILIANA INGRANAGGI - S.P.A. | 5636225 |
| 97729341 | CEI | Central Environmental, Inc. | 7647300 |
| 87299335 | CEI | KURITA WATER INDUSTRIES, LTD. | 5568081 |
| 87977758 | CEI | KURITA WATER INDUSTRIES, LTD. | 5570791 |
| 76451523 | CEI | Coating Excellence International LLC | 2835959 |
| 76570100 | CEI | EYECARE PARTNERS, LLC | 2918659 |
| 73678872 | CEI | CEI GROUP, LLC | 1516681 |
| 73667561 | CEI | CEI GROUP, LLC | 1513926 |
| 87164159 | CEI | Shenzhen Changen Industry Co., Ltd. | 5287758 |
| 90804321 | CEI | Camp Education International LLC | 7301825 |
| 74165109 | CEI | CREATIVE EDUCATION INSTITUTE INC | 1792534 |
| 97328013 | CEI | Computer Enterprises, Inc. | 7118766 |
| 85609369 | CEI | ALFORD, BLAKE | 4263854 |
| 86418481 | CEI | HSB Solomon Associates LLC | — |
| 88962697 | CEI | CEI Engineering Associates, Inc. | 6669308 |
| 75416273 | CEI | CEI Enterprises, Inc. | 2361137 |
| 90675245 | CEI | HSB Solomon Associates, LLC | — |
| 85747193 | CEI | KRATOS UNMANNED AERIAL SYSTEMS, INC. | 4566219 |
| 77750015 | CEI | CEI Engineering Associates, Inc. | 3833544 |
| 85747313 | CEI | KRATOS UNMANNED AERIAL SYSTEMS, INC. | 4446261 |
| 87665185 | CEI | Behavioral Science Technology, Inc. | — |
| 85747163 | CEI | KRATOS UNMANNED AERIAL SYSTEMS, INC. | 4342498 |
| 88659897 | CEI | Decision Point Analytics, LLC | — |
| 77474519 | CEI | Consultant Engineering, Inc. | 3625766 |
| 85256546 | CEI | Coating Excellence International LLC | 4055543 |
| 77066609 | CEI | Coastal Environments, Incorporated | 3478719 |
| 77600494 | CEI | California Energy Initiatives, LLC | 3829030 |
| 78738306 | CEI | Connie Elder International, LLC | — |
| 77136242 | CEI | HSB Solomon Associates, LLC | — |
| 73504156 | CEI | COMMISSION ELECTROTECHNIQUE INTERNATIONALE | 1407418 |
| 78408590 | CEI | Coloreng Inc. | 2992083 |
| 77341660 | CEI | CE Interactive, Inc. | 3787841 |
| 85661398 | CEI | HSB Solomon Associates, LLC | — |
| 80988900 | CEI | Concolidated Electronics Inc. | 0988900 |
| 78738159 | CEI | Connie Elder International, LLC | — |
| 77960804 | CEI | Computational Engineering International | — |
| 77126528 | CEI | CEI Engineering Associates, Inc. | — |
| 76288560 | CEI | Climax Enterprises Inc. | 2694848 |
| 76150990 | CEI | Craig Enterprises, Inc. | 2581342 |
| 75747285 | CEI | Composite Engineering, Inc. | 2336313 |