| 73650740 | SIGMA | HIGH TECH RESEARCH | — |
| 73622838 | SIGMA | HARNISCHFEGER CORPORATION | 1438981 |
| 73601016 | SIGMA | HUFFY CORPORATION | 1444034 |
| 73591847 | SIGMA | KABUSHIKI KAISHA SIGMA | 1423693 |
| 73588647 | SIGMA | SIGMA ELECTRONICS LIMITED | 1442018 |
| 73574963 | SIGMA | GTE COMMUNICATION SYSTEMS | 1402027 |
| 73509667 | SIGMA | REXNORD CORPORATION | 1337910 |
| 73507994 | SIGMA | PRINTPACK, INC. | 1407690 |
| 73493237 | SIGMA | SIGMA ENTERPRISES, INC. | 1374884 |
| 73464371 | SIGMA | SIGMA SECURITY INC. | 1363004 |
| 73450075 | SIGMA | Illinois Tool Works Inc. | 1340038 |
| 73334649 | SIGMA | Shakespeare Company | 1219729 |
| 73321468 | SIGMA | MATERIELS EQUIPEMENTS GRAPHIQUES, S.A. | 1233460 |
| 73321350 | SIGMA | BAKER INTERNATIONAL CORPORATION | — |
| 73312008 | SIGMA | Illinois Tool Works Inc. | 1197700 |
| 73307200 | SIGMA | Logo Paris, Inc. | 1200297 |
| 73265347 | SIGMA | Seven-Up Company, The | 1173535 |
| 73254502 | SIGMA | Towle/Sigma Giftware Corporation | 1185492 |
| 73246088 | SIGMA | Shakespeare Company | 1162098 |
| 73246087 | SIGMA | Shakespeare Company | 1162097 |
| 73018229 | SIGMA | SIGMA COATINGS B.V. | 1040363 |
| 72412906 | SIGMA | SIGMA PHOTO CHEMICAL LABORATORIES, INC. | 0986784 |
| 72361760 | SIGMA | SIGMA INSTRUMENTS, INC. | 0938083 |
| 72361174 | SIGMA | SIGMA INSTRUMENTS, INC. | 0944089 |
| 72342798 | SIGMA | PHILIP MORRIS INCORPORATED | 0892728 |
| 72306813 | SIGMA | SIGMA CHEMICAL COMPANY | 0885428 |
| 72305075 | SIGMA | SIGMA INSTRUMENTS, INC. | 0915664 |
| 72271294 | SIGMA | SCAMBIA INDUSTRIAL DEVELOPMENTS AKTIEBOLAGET, AKTIENGESELLSCHAFT | 0894985 |
| 72241188 | SIGMA | SIGMA LEATHER, INC. | 0822185 |
| 72197350 | SIGMA | UNION CARBIDE CORPORATION | 0800538 |
| 72153221 | SIGMA | SIGMA INSTRUMENTS, INC. | 0788972 |
| 72087873 | SIGMA | GULF OIL CORPORATION | 0712760 |
| 72086177 | SIGMA | Mennen Company, The | 0701985 |
| 71590106 | SIGMA | SIGMA INSTRUMENTS, INCORPORATED | 0536253 |