Craytek is currently classified with the following business establishments.
| Code | Title |
|---|---|
| 541219 | OTHER ACCOUNTING SERVICES |
| 541330 | ENGINEERING SERVICES |
| 541430 | GRAPHIC DESIGN SERVICES |
| 541511 | CUSTOM COMPUTER PROGRAMMING SERVICES |
| 541512 | COMPUTER SYSTEMS DESIGN SERVICES |
| 541513 | COMPUTER FACILITIES MANAGEMENT SERVICES |
| 541519 | OTHER COMPUTER RELATED SERVICES |
| 541611 | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES |
| 541990 | ALL OTHER PROFESSIONAL SCIENTIFIC AND TECHNICAL SERVICES |
| 561110 | OFFICE ADMINISTRATION SERVICES |
| 561410 | DOCUMENT PREPARATION SERVICES |
| 561421 | TELEPHONE ANSWERING SERVICES |
| 611430 | PROFESSIONAL AND MANAGEMENT DEVELOPMENT TRAINING |
| 611710 | EDUCATIONAL SUPPORT SERVICES |