| Naics index | Naics index description |
|---|---|
| 561990 | Gas meter reading services, contract |
| 561990 | Inventory computing services |
| 561990 | Inventory taking services |
| 561990 | License issuing services (except government), motor vehicle |
| 561990 | Locating underground utility lines prior to digging |
| 561990 | Lumber grading services |
| 561990 | Meter reading services, contract |
| 561990 | Motor vehicle license issuing services, private franchise |
| 561990 | Museum cataloging services |
| 561990 | Printing brokers |