| Exxon Research and Engineering Company Recorded under 39 name spellings | |
| National Technology & Engineering Solutions of Sandia, LLC 1,636 currently held | 1,636 currently held |
| Advanced Semiconductor Engineering, Inc. 1,399 currently held | 1,399 currently held |
| Combustion Engineering, Inc. Recorded under 16 name spellings | |
| Toyota Motor Engineering & Manufacturing North America, Inc. 807 currently held | 807 currently held |
| ExxonMobil Research and Engineering Company 602 currently held | 602 currently held |
| Schweitzer Engineering Laboratories, Inc. 552 currently held | 552 currently held |
| ExxonMobil Technology and Engineering Company 422 currently held | 422 currently held |
| Mimaki Engineering Co., Ltd. 318 currently held | 318 currently held |
| K&N Engineering, Inc. 160 currently held | 160 currently held |
| Jusung Engineering Co., Ltd. 113 currently held Recorded under 4 name spellings | 113 currently held |
| Engineered Controls International, LLC 72 currently held | 72 currently held |
| Point Engineering Co., Ltd. 63 currently held | 63 currently held |
| Grace Engineering Corp. 44 currently held | 44 currently held |
| GKN Sinter Metals Engineering GmbH 36 currently held | 36 currently held |
| Otr Wheel Engineering, Inc. 32 currently held | 32 currently held |
| Ti Fluid Systems Engineering GmbH 32 currently held | 32 currently held |
| Mitsubishi Electric Engineering Company, Limited 27 currently held | 27 currently held |
| Carbon Engineering ULC 26 currently held | 26 currently held |
| Adtec Engineering Co., Ltd. 19 currently held | 19 currently held |
| Institute of Electrical Engineering, Chinese Academy of Sciences 18 currently held | 18 currently held |
| Yield Engineering Systems, Inc. 17 currently held | 17 currently held |
| Sinopec Engineering Incorporation 14 currently held | 14 currently held |
| Domaille Engineering, LLC 13 currently held | 13 currently held |
| Plas Tech Engineering LLC 12 currently held | 12 currently held |
| Sinopec Research Institute of Safety Engineering Co., Ltd. 12 currently held | 12 currently held |
| Sinopec Petroleum Engineering Technology Research Institute Co., Ltd. 10 currently held | 10 currently held |
| Sinopec Research Institute of Petroleum Engineering 10 currently held | 10 currently held |
| Sinopec Shengli Petroleum Engineering Co., Ltd. 10 currently held | 10 currently held |
| Drilling Technology Research Institute of Sinopec Shengli Petroleum Engineering Co., Ltd. 6 currently held | 6 currently held |
| Katagiri Engineering Co., Ltd. 4 currently held | 4 currently held |
| Alfred E. Mann Institute for Biomedical Engineering at the University of Southern California 3 currently held | 3 currently held |
| Department of Electrical Engineering, National Changhua University of Education 3 currently held | 3 currently held |
| Temco Engineered Products, LLC 2 currently held | 2 currently held |
| Thyssenkrupp Uhde Chlorine Engineers (Italia) S.R.L. 2 currently held | 2 currently held |
| Carry Computer Engineering Company, Limited 1 currently held | 1 currently held |
| Component Re-Engineering Company, Inc. 1 currently held | 1 currently held |
| Explo Engineering AG 1 currently held | 1 currently held |
| Grifols Engineering , S.A. 1 currently held | 1 currently held |
| JEOL Engineering Co., Ltd. 1 currently held | 1 currently held |
| Hitachi Car Engineering Co., Ltd. 0 currently held Recorded under 7 name spellings | 0 currently held |
| Bio-Medical Engineering (HK) Limited 0 currently held | 0 currently held |
| Carmagen Engineering 0 currently held | 0 currently held |
| Covidien Engineering Services Private Limited 0 currently held | 0 currently held |
| Electrical Engineering Solutions Pty Ltd. 0 currently held | 0 currently held |
| Esox Engineering, LLC 0 currently held | 0 currently held |
| Innotec Lightweight Engineering & Polymer Technology GmbH 0 currently held | 0 currently held |
| Ortloff Engineers, Ltd. 0 currently held | 0 currently held |
| Quantum Engineering, Inc. 0 currently held | 0 currently held |
| Sick Engineering GmbH 0 currently held | 0 currently held |
| Siemens Gamesa Renewable Energy Engineering Centre Private Limited 0 currently held | 0 currently held |
| Software Engineering Professionals, Inc. 0 currently held | 0 currently held |
| Sonderhoff Engineering GmbH 0 currently held | 0 currently held |
| Varroc Engineering Private Limited 0 currently held | 0 currently held |