| Precision Biosystems | Massachusetts |
| Precision Brands | |
| Precision Business Machines, Inc. | Texas |
| Precision Business Technology | California |
| Precision Cable and Connector | Oregon |
| Precision Castparts Corporation | |
| Precision CellSystems | |
| Precision Circuit Board Source, LLC | California |
| Precision Computing Arts, Inc. | Oregon |
| Precision Contacts, Inc. | California |
| Precision Control Systems | Arizona |
| Precision Data Products, Inc. | Michigan |
| Precision Data Solutions, Inc. | Georgia |
| Precision Data Solutions, LLC | Indiana |
| Precision Diabetes, Inc. | North Carolina |
| Precision Document Solutions | Texas |
| Precision Fermentation, Inc. | North Carolina |
| Precision Fiber Products, Inc. | California |
| Precision Flight Controls | California |
| Precision Fluid Controls | |
| Precision Hawk | North Carolina |
| Precision Health Reports, Inc. | Arkansas |
| Precision Images | Oregon |
| Precision Law Marketing | |
| Precision Life Sciences Group | |
| Precision Livestock Technologies, Inc. | Texas |
| Precision Marketing Partners | |
| Precision Medical Products, Inc. | California |
| Precision Medical Technologies | Indiana |
| Precision Medicine Group, LLC | Maryland |
| Precision Micro Control Corporation | California |
| Precision Motion Health | |
| Precision Neuroscience | New York |
| Precision Optical | California |
| Precision Optical Imaging | New York |
| Precision Optical Transceivers, Inc. | New York |
| Precision Optics Corporation | Massachusetts |
| Precision Pages, Inc. | |
| Precision PCB Services, Inc. | California |
| Precision Point, Inc. | |
| Precision Research Institute | California |
| Precision Resistor Company, Inc. | Florida |
| Precision Solutions | Colorado |
| Precision Spine, Inc. | |
| Precision Stability Storage, LLC | North Carolina |
| Precision Staffing, Inc. | Kentucky |
| Precision Technologies Corporation | New Jersey |
| Precision Technologies, Inc. | Illinois |
| Precision Technology Solutions, Inc. | |
| Precision Technology, Inc. | Utah |