| 97479549 | OEC | ORIENTAL EXPORT CORPORATION | — |
| 85620163 | OEC | OEConnection LLC | 4336198 |
| 76409115 | OEC | OEC MARKETING LIMITED | 2801106 |
| 76408936 | OEC | OEC MARKETING LIMITED | 2801105 |
| 97249563 | OEC | S.J. ELECTRO SYSTEMS, LLC | 7148226 |
| 78105192 | OEC | National Ski Patrol System, Inc. | 2649650 |
| 97053270 | OEC | Meanco Glass Industrial Co., Ltd. | 6993091 |
| 97335640 | OEC | FloWorks USA LP | 6974403 |
| 97335468 | OEC | FloWorks USA LP | 6943344 |
| 90708918 | OEC | Omega Therapeutics, Inc. | 6926111 |
| 76693373 | OEC | GAIN CAPITAL GROUP, LLC | 3756379 |
| 85493220 | OEC | OEC AG | 4356269 |
| 76693372 | OEC | GAIN CAPITAL GROUP, LLC | 3617999 |
| 76685460 | OEC | Orange Electronic Co., Ltd. | 3562907 |
| 74462484 | OEC | GE PRECISION HEALTHCARE LLC | 2049386 |
| 73111363 | OEC | ORION ELECTRIC CO., LTD. | 1233323 |
| 74303762 | OEC | MIDWEST MOTOR SUPPLY CO. | 1778577 |
| 75886863 | OEC | A.C.E. International Company, Inc. | 2556932 |
| 75923063 | OEC | OPTIMIZED ENGINEERING CORPORATION | 2531352 |
| 73486528 | OEC | RELIGIOUS TECHNOLOGY CENTER | 1358493 |
| 74462482 | OEC | OEC MEDICAL SYSTEMS, INC. | 2057701 |
| 74647213 | OEC | OPTEC OEC CO., LTD. | 1994814 |
| 75552939 | OEC | OEC Freight (NY) Inc. | — |
| 75552938 | OEC | OEC Freight (NY) Inc. | — |
| 74179251 | OEC | Orthopedic Evaluation Center | 1699616 |
| 71668410 | OEC | ORTHOPEDIC EQUIPMENT COMPANY | 0616928 |
| 73184840 | OEC | OEC Corporation, The | 1391220 |
| 73377967 | OEC | Oldershaw Engineering Corporation | 1250711 |
| 73202217 | OEC | Office Environment Cooperative, Inc. | 1172205 |
| 73194728 | OEC | MUSKEGON PISTON RING COMPANY, INC. | 1137018 |
