| 87036404 | HYDRA | Omega Biosystems Inc. | — |
| 73426967 | HYDRA | OCEANEERING INTERNATIONAL, INC. | 1331675 |
| 79067576 | HYDRA | HYDRA a.s. | — |
| 73720541 | HYDRA | CARPENTER CO. | 1583686 |
| 88724180 | HYDRA | Bigfoot Properties SPV No. 53 LLC | — |
| 88611830 | HYDRA | Hydra Brand Management, LLC | — |
| 88569110 | HYDRA | HAIDARCORP LLC | — |
| 85599184 | HYDRA | Electro-Chemical Devices, Inc. | 4245984 |
| 87875668 | HYDRA | Vascular Genesis | — |
| 74639440 | HYDRA | WITZENMANN GMBH | 2236358 |
| 87082787 | HYDRA | Fedora Commons, Inc. | — |
| 87075471 | HYDRA | Fedora Commons, Inc. | — |
| 86136564 | HYDRA | Premier Communications Corporation | — |
| 78834627 | HYDRA | Rogue Wave Software, Inc. | 3464253 |
| 87549533 | HYDRA | Hydra NY Inc. | — |
| 76366323 | HYDRA | DECAGON DEVICES, INC. | — |
| 78844827 | HYDRA | Advanced Optical Systems, Inc. | 3293788 |
| 74730652 | HYDRA | BARCLAYS CAPITAL INC. | 1999777 |
| 87264183 | HYDRA | Warner Bros. Entertainment Inc. | — |
| 86395274 | HYDRA | Cyclops Vapor, LLC | 4716428 |
| 85101958 | HYDRA | James A. C. Logan | 3973211 |
| 85883982 | HYDRA | Duratex S.A. | — |
| 86697112 | HYDRA | WARNER BROS. ENTERTAINMENT INC. | — |
| 87264190 | HYDRA | Warner Bros. Entertainment Inc. | — |
| 86721061 | HYDRA | Advanced Electronic Designs, Inc. | — |
| 77260228 | HYDRA | QUALITY IMPORTERS TRADING COMPANY, LLC | 3426012 |
| 85787067 | HYDRA | Liberty Plugins, Inc. | — |
| 86765038 | HYDRA | BGGB Enterprises, LLC | — |
| 85940454 | HYDRA | A.G. Findings & Mfg. Co. | — |
| 77518273 | HYDRA | Medusa, LLC | — |
| 77470272 | HYDRA | Optical Air Data Systems, LLC | — |
| 75697052 | HYDRA | HYDRA DESIGNS, INC. | 2335804 |
| 77531424 | HYDRA | Vivo, Inc. | 3790823 |
| 78480577 | HYDRA | SKYWORKS SOLUTIONS, INC. | — |
| 77018747 | HYDRA | STREAK PRODUCTS, INC. | — |
| 77018729 | HYDRA | STREAK PRODUCTS, INC. | 3534510 |
| 86508462 | HYDRA | ROOK SECURITY, LLC | — |
| 86820522 | HYDRA | Russ, Samuel H. | — |
| 77736933 | HYDRA | Hydra Professionals, LLC | 3748855 |
| 85379644 | HYDRA | Endochoice, Inc. | — |
| 77979406 | HYDRA | Comprehensive Health Services, Inc. | — |
| 77750339 | HYDRA | Comprehensive Health Services, Inc. | — |
| 77486760 | HYDRA | IGT | — |
| 71057876 | HYDRA | CHEVRON INTELLECTUAL PROPERTY LLC | 0084282 |
| 86700923 | HYDRA | Wolverine Airsoft LLC | — |
| 86692183 | HYDRA | Lawton LLC | — |
| 85562514 | HYDRA | ProSymmetry LLC | — |
| 85558084 | HYDRA | SUN BLOOM PARTICIPAÇÕES LTDA. | — |
| 78964255 | HYDRA | VINCOR INTERNATIONAL INC. | — |
| 73337455 | HYDRA | HYDRA SYSTEMS, INC. | 1220683 |
