| Audio-Visual Equipment-Service & Repair | 44 |
| Audiologists | 45 |
| Automated Teller Machines-Sales & Service | 45 |
| Automation Systems & Equipment | 45 |
| Automobile Air Conditioning Equipment & | 46 |
| Repairing |
| Automobile Body Repairing & Painting | 47 |
| Automobile Body Shop Equipment & Supplies | 48 |
| Automobile Brokers | 48 |
| Automobile Burglar Alarm Systems | 48 |
| Automobile Customizing & Restoration | 48 |
| Automobile Dealers-New Cars | 48 |
| Automobile-Custom-Designed & Replica | 48 |
| Automobile Dealers-Used Cars | 51 |
| Automobile Detailing & Clean Up Service | 53 |
| Automobile Diagnostic Service | 53 |
| Automobile Electric Service | 53 |
| Automobile Inspection Stations | 53 |
| Automobile Lubricating Service | 53 |
| Automobile Parts & Supplies-New | 53 |
| Automobile Parts, Supplies & Accessories-Whsle & | 53 |
| Mfrs |
| Automobile Parts & Supplies-Used & Rebuilt | 54 |
| Automobile Performance Racing & Sports Car | 56 |
| Equipment |
| Automobile Radio & Stereo Systems Sales & | 56 |
| Service |
| Automobile Radio & Stereo Systems- Whsle & Mfrs | 56 |
| Automobile Renting | 57 |
| Automobile Repairing & Service | 59 |
| Automobile Repairing & Service Equipment & | 63 |
| Supplies |
| Automobile Salvage Pools | 63 |
| Automobile Seat Covers, Tops & Upholstery | 63 |
| Automobile Washing & Polishing Equipment & | 63 |
| Supplies |
| Automobile Wrecking | 63 |
| Awnings & Canopies | 63 |
| B |
| Baby Accessories & Services | 63 |
| Bail Bonds | 64 |
| Bakers | 65 |
| Bakers-Whsle | 65 |
| Bakers’ Supplies | 66 |
| Balloons-Novelty & Decorative-Whsle & Mfrs | 66 |
| Balloons-Promotional | 66 |
| Bands-Musical | 66 |
| Bank Equipment & Supplies | 66 |
| Bankruptcy Services | 66 |
| Banks | 67 |
| Banners | 69 |
| Banquet Facilities | 69 |
| Bar Supplies | 69 |
| Barbecue | 69 |
| Barbecue Equipment & Supplies | 69 |
| Barbers | 70 |
| Bars & Grills | 70 |
| Bathroom Accessories | 71 |
| Bathroom Remodeling | 71 |