| 2007 NAICS codes | 2007 NAICS industry titles | 
|---|---|
| 211 | Oil and gas extraction. | 
| 212 | Mining (except oil and gas). | 
| 213 | Support activities for mining. | 
| 221 | Utilities. | 
| 333 | Machinery manufacturing. | 
| 334 | Computer and electronic product manufacturing. | 
| 335 | Electrical equipment, appliance, and component manufacturing. | 
| 484 | Truck transportation. | 
| 492 | Couriers and messengers. | 
| 493 | Warehousing and storage. | 
| 515 | Broadcasting (except Internet). | 
| 517 | Telecommunications. | 
| 
                     
                                
                                    Code of Federal Regulations
                                
                                453
                             
                         | 
            |
| 562 | Waste management and remediation services. | 
| 811 | Repair and maintenance. |