| 73668107 | WPC | HENKEL AG & CO. KGAA | 1474988 |
| 79456168 | WPC. | WORLD PARTY CO., LTD. | — |
| 79123679 | WPC | thyssenkrupp rothe erde Germany GmbH | 4394479 |
| 90348378 | WPC | WPC TM, LLC | 6476954 |
| 86666661 | WPC | Christian Medical and Dental Society | 4892506 |
| 99185253 | WPC | Calgon Carbon Corporation | 8068545 |
| 90251644 | WPC | LIGHT & WONDER, INC. | 6775801 |
| 76621103 | WPC | FUJI KIHAN CO., LTD. | 3252155 |
| 78059006 | WPC | W.P. CAREY INC. | 3024246 |
| 79159112 | WPC | Stiebel Eltron GmbH & Co. KG | 4801743 |
| 98315220 | WPC | Wireless Power Consortium, Inc. | 7710099 |
| 98189160 | WPC | American Society of Perfumers, Inc. | 7494513 |
| 85147472 | WPC | Sysmex Corporation | 4568528 |
| 98263281 | WPC | World Players Challenge Inc. | — |
| 86825945 | WPC | American Society of Perfumers, Inc. | 4997539 |
| 87952296 | WPC | NATIONAL ALLIANCE OF WOUND CARE, INC. | 6739630 |
| 75606241 | WPC | Western Polymer Corporation | 2316314 |
| 74471228 | WPC | WINTER PARK CONTRUCTION CO. FKA WPC1, INC. | 1867213 |
| 85626620 | WPC | World Property Channel Networks, Inc. | 4268168 |
| 79032380 | WPC | WATTECO | 3389155 |
| 75666407 | WPC | Vadem | — |
| 76662489 | WPC | WU, Chang-Min | — |
| 76308593 | WPC | ABOCA di Mercati Valentino & C. Societa Semplice | — |
| 78145658 | WPC | eePulse, Inc. | — |
| 76589253 | WPC | WU, Chang-Min | — |
| 75938879 | WPC | Tera Fiberoptics Inc. | — |
| 74471229 | WPC | Winter Park Construction Company | 1868429 |
| 74421624 | WPC | Independent Golf Research Corporation | 2004621 |
| 73798048 | WPC | AMERICAN SOCIETY OF PERFUMERS, INC. | 1632618 |
| 73664473 | WPC | PAINT AMERICA CO. | 1475485 |
| 73159595 | WPC | WERNER & PFLEIDERER CORPORATION | 1123045 |
