| 88464419 | SER | Jafer Enterprises R&D, SLU | 5937933 |
| 85586652 | SER | The Society for Ecological Restoration,Inc. | 4245448 |
| 79376401 | SER | SERgroup Holding International GmbH | 7894975 |
| 79376400 | SER | SERgroup Holding International GmbH | 7894974 |
| 86443045 | SER | Walsh Wine LLC | 4857896 |
| 97706923 | SER | Shenzhen Hehan Technology Co., Ltd | 7331167 |
| 98258606 | SER | Cunningham Automotive Inc. | — |
| 85720025 | SER | PHYSICIAN HEARING CENTERS, LLC | 4324332 |
| 87684377 | SER | Jafer Enterprises R&D, SLU | — |
| 77138870 | SER | SER Solutions, Inc. | 3439187 |
| 77138883 | SER | SER Solutions, Inc. | 3434255 |
| 87476953 | SER | SER Jobs for Progress National, Inc. | — |
| 73652744 | SER | SER-JOBS FOR PROGRESS NATIONAL, INC. | 1501657 |
| 76426039 | SER | The Society for Ecological Restoration | 2709203 |
| 76182201 | SER | SER SOLUTIONS, INC. | 2886905 |
| 76182174 | SER | SER SOLUTIONS, INC. | 2882113 |
| 76182173 | SER | SER Solutions, Inc. | 2879866 |
| 76182171 | SER | SER SOLUTIONS, INC. | — |
| 75741466 | SER | SER SOLUTIONS, INC. | 2428042 |
| 75519835 | SER | SER SOLUTIONS, INC. | 2611083 |
| 75314079 | SER | Safety & Environmental Resources, Inc. | 2130790 |
| 75314077 | SER | Safety & Environmental Resources, Inc. | 2171339 |
| 75029534 | SER | CYTOGEN CORPORATION | — |
| 73652743 | SER | SER-JOBS FOR PROGRESS NATIONAL, INC. | 1501656 |
| 73369137 | SER | RYKOFF - SEXTON, INC. | 1248148 |
| 73048440 | SER | MARATHON ELECTRIC MANUFACTURING CORPORATION | 1034237 |
| 73035578 | SER | SER-JOBS FOR PROGRESS NATIONAL, INC. | 1031000 |
| 72181410 | SER | SAMUEL E. REMENIK | 0773643 |