| Primary | NAICS Code |
Description |
| 333314 | OPTICAL INSTRUMENT AND LENS MANUFACTURING | |
| 333611 | TURBINE AND TURBINE GENERATOR SET UNITS MANUFACTURING | |
| 334210 | TELEPHONE APPARATUS MANUFACTURING | |
| 334220 | RADIO AND TELEVISION BROADCASTING AND WIRELESS COMMUNICATIONS EQUIPMENT MANUFACTURING | |
| 334290 | OTHER COMMUNICATIONS EQUIPMENT MANUFACTURING | |
| 334310 | AUDIO AND VIDEO EQUIPMENT MANUFACTURING | |
| 334412 | BARE PRINTED CIRCUIT BOARD MANUFACTURING | |
| 334413 | SEMICONDUCTOR AND RELATED DEVICE MANUFACTURING | |
| 334418 | PRINTED CIRCUIT ASSEMBLY (ELECTRONIC ASSEMBLY) MANUFACTURING | |
| 334419 | OTHER ELECTRONIC COMPONENT MANUFACTURING | |
| Yes | 334511 | SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTEM AND INSTRUMENT MANUFACTURING |
| 334515 | INSTRUMENT MANUFACTURING FOR MEASURING AND TESTING ELECTRICITY AND ELECTRICAL SIGNALS | |
| 334516 | ANALYTICAL LABORATORY INSTRUMENT MANUFACTURING | |
| 334519 | OTHER MEASURING AND CONTROLLING DEVICE MANUFACTURING | |
| 335311 | POWER, DISTRIBUTION, AND SPECIALTY TRANSFORMER MANUFACTURING | |
| 335312 | MOTOR AND GENERATOR MANUFACTURING | |
| 335314 | RELAY AND INDUSTRIAL CONTROL MANUFACTURING | |
| 335999 | ALL OTHER MISCELLANEOUS ELECTRICAL EQUIPMENT AND COMPONENT MANUFACTURING | |
| 336413 | OTHER AIRCRAFT PARTS AND AUXILIARY EQUIPMENT MANUFACTURING | |
| 336414 | GUIDED MISSILE AND SPACE VEHICLE MANUFACTURING | |
| 336419 | OTHER GUIDED MISSILE AND SPACE VEHICLE PARTS AND AUXILIARY EQUIPMENT MANUFACTURING | |
| 541330 | ENGINEERING SERVICES | |
| 541614 | PROCESS, PHYSICAL DISTRIBUTION, AND LOGISTICS CONSULTING SERVICES | |
| 541712 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT BIOTECHNOLOGY) | |
| 811213 | COMMUNICATION EQUIPMENT REPAIR AND MAINTENANCE | |
| 811219 | OTHER ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE | |
| 811310 | COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT (EXCEPT AUTOMOTIVE AND ELECTRONIC) REPAIR AND MAINTENANCE |