| 85225114 | HAMMERHEAD | Hol-Mac Corporation | 4222539 |
| 90157146 | HAMMERHEAD | Lockheed Martin Corporation | 6943960 |
| 87931116 | HAMMERHEAD | Allison, Joseph Adam | — |
| 75544054 | HAMMERHEAD | DRS RSTA, INC. | 2386931 |
| 73168293 | HAMMERHEAD | LUCASFILM ENTERTAINMENT COMPANY LTD. | 1129348 |
| 77752965 | HAMMERHEAD | Small Dog Electronics, Inc | 3958468 |
| 76668250 | HAMMERHEAD | THE CHARLES MACHINE WORKS, INC. | 3387244 |
| 85346000 | HAMMERHEAD | JANIBELL, INC. | 4589069 |
| 85924274 | HAMMERHEAD | Tope, LLC | 4585535 |
| 85768033 | HAMMERHEAD | TOBIN, JEFFREY | 4534336 |
| 88603752 | HAMMERHEAD | Prentice, Kevin L | — |
| 86515734 | HAMMERHEAD | BAKER HUGHES, A GE COMPANY, LLC | — |
| 73800687 | HAMMERHEAD | HAMMERHEAD INTERNATIONAL INC. | 1628394 |
| 85636939 | HAMMERHEAD | Octagon Commerce LLC | 4318855 |
| 85094571 | HAMMERHEAD | Everis Inc. | 4240008 |
| 77354760 | HAMMERHEAD | BRIDGESTONE HOSEPOWER, LLC | 3479971 |
| 85186065 | HAMMERHEAD | REEFLO, INC | 4076162 |
| 78967941 | HAMMERHEAD | Tulmar Safety Systems Inc. | 3352487 |
| 86969506 | HAMMERHEAD | Miller Weldmaster Corporation | — |
| 78753341 | HAMMERHEAD | Stannard, John | — |
| 78674927 | HAMMERHEAD | Connector Products, Inc. | 3410471 |
| 76121797 | HAMMERHEAD | TESTAMERICA LABORATORIES, INC. | 2597090 |
| 76066433 | HAMMERHEAD | THE HOTSY CORPORATION | — |
| 75067601 | HAMMERHEAD | KNOTT'S BERRY FARM | — |
| 75067600 | HAMMERHEAD | KNOTT'S BERRY FARM | 2095981 |
| 78869560 | HAMMERHEAD | Grand, Gerard | — |
| 75531314 | HAMMERHEAD | Seth J. White | — |
| 75490496 | HAMMERHEAD | 360, Inc. | — |
| 75378254 | HAMMERHEAD | Johnston, David Allan | 2344365 |
| 77163517 | HAMMERHEAD | Alpers, Robert | — |
| 86411406 | HAMMERHEAD | THE WINE GROUP LLC | — |
| 78473192 | HAMMERHEAD | GLOBAL LOCATE, INC. | 3134028 |
| 86497329 | HAMMERHEAD | Barnett Outdoors, LLC | — |
| 86062857 | HAMMERHEAD | Balkamp, Inc. | — |
| 85155655 | HAMMERHEAD | Westinghouse Electric Company LLC | — |
| 85149366 | HAMMERHEAD | Westinghouse Electric Company LLC | — |
| 85031713 | HAMMERHEAD | XP Audio, Inc. | — |
| 85017458 | HAMMERHEAD | Parsia, Nader | — |
| 85004820 | HAMMERHEAD | Ge, Holmes | — |
| 78718670 | HAMMERHEAD | Lupowitz, Julius | — |
| 78698257 | HAMMERHEAD | Ames Edward Robert | — |
| 78625841 | HAMMERHEAD | New Ace US Trademark Ltd. | 3386320 |
| 78355294 | HAMMERHEAD | Burrows Golf, Inc. | — |
| 78234665 | HAMMERHEAD | Clark, John A. | 3423997 |
| 78211186 | HAMMERHEAD | Jose Martin Morales | — |
| 77832607 | HAMMERHEAD | Beaudoin, Benoit | — |
| 77688564 | HAMMERHEAD | Lockheed Martin Corporation | — |
| 77012397 | HAMMERHEAD | TJ POWER SPORTS, LLC | — |
| 76711816 | HAMMERHEAD | HAMMERHEAD FASTENER'S INC. | — |
| 76643954 | HAMMERHEAD | Morbark, Inc. | — |