| 74480637 | GUARDIAN | ARMORCAST PRODUCTS COMPANY | 1969176 |
| 86341570 | GUARDIAN | RIDE CONTROL, LLC | — |
| 86869793 | GUARDIAN | Action Target Inc. | — |
| 77903624 | GUARDIAN | Paul Winston Group | 3828084 |
| 86370314 | GUARDIAN | Sergeant's Pet Care Products, Inc. | — |
| 85052756 | GUARDIAN | Combat Medical Systems, LLC | — |
| 77432659 | GUARDIAN | RR Enterprises, Inc. | — |
| 77186246 | GUARDIAN | Guardian Building Products Distribution, Inc. | 3434434 |
| 76173806 | GUARDIAN | THALES UNDERWATER SYSTEMS PTY LTD. | 2865926 |
| 75782926 | GUARDIAN | Crane Co. | 2409535 |
| 75548265 | GUARDIAN | American Auto Guardian, Inc. | — |
| 75011625 | GUARDIAN | Angelo Brothers Company | 2098135 |
| 85168830 | GUARDIAN | Equipment Technologies, Inc. | — |
| 78445028 | GUARDIAN | Lee, Sylvia C. | — |
| 76334165 | GUARDIAN | KEE ACTION SPORTS LLC | 2811259 |
| 76026436 | GUARDIAN | Baker Hughes Incorporated | — |
| 76023343 | GUARDIAN | Packaging Concepts Assoc. Inc. | 2589418 |
| 74266182 | GUARDIAN | GUARDIAN MANUFACTURING COMPANY | 1746900 |
| 74027062 | GUARDIAN | NYNEX Corporation | — |
| 73363203 | GUARDIAN | MINNESOTA MINING AND MANUFACTURING COMPANY | 1320522 |
| 78910487 | GUARDIAN | American Recreation Products, Inc. | — |
| 78735901 | GUARDIAN | EXPLORE INFORMATION SERVICES, LLC | — |
| 78414177 | GUARDIAN | U.S. Endoscopy Group, Inc. | — |
| 75177105 | GUARDIAN | RIIP, INC. | 2136827 |
| 74016232 | GUARDIAN | Guardian Films Inc. | 1695126 |
| 78892725 | GUARDIAN | Baron Services, Inc. | 3759433 |
| 86809121 | GUARDIAN | Marine Safety Products, LLC | — |
| 87087120 | GUARDIAN | Louanne Pearson | — |
| 86790589 | GUARDIAN | William Murphy | — |
| 74591802 | GUARDIAN | Clemson University, South Carolina Agricultural Experiment Station | 2067546 |
| 85446494 | GUARDIAN | TCI International, Inc. | — |
| 85029405 | GUARDIAN | Freeco Inc. | — |
| 78806980 | GUARDIAN | INSIGHT TECHNOLOGIES INCORPORATED | — |
| 78321730 | GUARDIAN | Cabot Safety Intermediate Corporation | — |
| 77707712 | GUARDIAN | Applied Materials, Inc. | — |
| 77703888 | GUARDIAN | TSC OFFSHORE CORPORATION | — |
| 77063099 | GUARDIAN | Warsaw Orthopedic, Inc. | — |
| 76661825 | GUARDIAN | Atlantic Ultraviolet Corporation | — |
| 76011245 | GUARDIAN | IGT | 2666920 |
| 75726785 | GUARDIAN | SOUTHERN MILLS, INC. | 2568883 |
| 77818788 | GUARDIAN | MICROSEMI CORPORATION | — |
| 77095339 | GUARDIAN | COMMERCIAL INNOVATIONS, INC. | 3404345 |
| 78165391 | GUARDIAN | WSG & SOLUTIONS, INC. | 2771699 |
| 77349835 | GUARDIAN | Gilbarco Inc. | — |
| 77027734 | GUARDIAN | Gilbarco Inc. | — |
| 76299321 | GUARDIAN | Timken Company, The | 3066242 |
| 76294036 | GUARDIAN | Lincoln Industrial Corporation | 2701880 |
| 75377657 | GUARDIAN | CardioVascular Dynamics, Inc. | — |
| 75241199 | GUARDIAN | American Recreation Products, Inc. | 2433766 |
| 74495090 | GUARDIAN | LINEGUARD INC. | 2563915 |
