| 238190 |
Glass and glazing work--are classified in Industry 238150, Glass and Glazing Contractors |
| 238190 |
Installing or repairing roofs--are classified in Industry 238160, Roofing Contractors |
| 238190 |
Installing siding--are classified in Industry 238170, Siding Contractors |
| 238190 |
Fireproofing buildings--are classified in Industry 238310, Drywall and Insulation Contractors. |
| 238210 |
Installing and maintaining telecommunications lines performed by telecommunications companies--are classified in Subsector 517, Telecommunications |
| 238210 |
Installing and maintaining electric power lines performed by electric utility companies--are classified in Industry Group 2211, Electric Power Generation, Transmission and Distribution |
| 238210 |
Constructing power and communication lines--are classified in Industry 237130, Power and Communication Line and Related Structures Construction |
| 238210 |
Burglar and fire alarm installation combined with sales, maintenance, or monitoring services--are classified in U.S. Industry 561621, Security Systems Services (except Locksmiths) |
| 238210 |
Retailing and installing automotive audio equipment--are classified in Industry 441330, Automotive Parts and Accessories Retailers. |
| 238220 |
Installing electrical controls for HVAC systems--are classified in Industry 238210, Electrical Contractors and Other Wiring Installation Contractors |