|
| 2812 | Air receiver tanks, heavy gauge metal, manufacturing | |
| 3530 | Air scoops, aircraft, manufacturing | |
| 2919 | Air scrubbing systems, manufacturing | |
| 6309 | Air shipment customs clearances, service | |
| 9219 | Air show promoters, with facilities | |
| 7499 | Air show promoters, without facilities | |
| 4530 | Air system balancing and testing, contractors | |
| 6220 | Air taxi services | |
| 4520 | Air terminals, construction | |
| 3312 | Air traffic control radar systems and equipment, manufacturing | |
| 7513 | Air traffic control services, government | |
| 6303 | Air traffic control services, non-government | |
| 7513 | Air transport program, federal government | |
| 6220 | Air transportation, charter service | |
| 6220 | Air transportation, freight, charter service | |
| 6220 | Air transportation, freight, nonscheduled | |
| 6210 | Air transportation, freight, scheduled | |
| 6220 | Air transportation, passenger, nonscheduled | |
| 6210 | Air transportation, passenger, scheduled | |
| 6210 | Air transportation, scheduled | |
| 4530 | Air vents, installation | |
| 2919 | Air washers (i.e., scrubbers), manufacturing | |
| 2411 | Air, liquid, manufacturing | |
| 6120 | Airboats (i.e., swamp buggies) operation | |
| 3312 | Airborne navigational systems, manufacturing | |
| 3220 | Airborne radio communications equipment, manufacturing | |
| 5020 | Air-conditioner repair, automotive | |
| 5260 | Air-conditioner repair, self-contained units (except automotive) | |
| 5139 | Air-conditioners, electric, window-type, wholesale | |
| 2919 | Air-conditioners, motor vehicle, manufacturing | |
| 5233 | Air-conditioners, portable, household, retail | |
| 2919 | Air-conditioning and warm air heating combination units, manufacturing | |
| 2919 | Air-conditioning compressors (except motor vehicle), manufacturing | |
| 2919 | Air-conditioning condensers and condensing units, manufacturing | |
| 4530 | Air-conditioning duct work, installation | |
| 2919 | Air-conditioning equipment (except motor vehicle), manufacturing | |
| 5143 | Air-conditioning equipment (except room units), wholesale | |
| 5143 | Air-conditioning equipment (except window type units), wholesale | |
| 5030 | Air-conditioning equipment, automobile, sale and installation, retail | |
| 4530 | Air-conditioning equipment, central, installation | |
Printer friendly version