| Appliances-Household-Major-Dealers | 22 |
| Appliances-Household-Major-Rent & Lease | 22 |
| Appliances-Household-Major-Service, Repair & | 22 |
| Installation |
| Appliances-Household-Major-Used | 23 |
| Appliances-Household-Major-Whsle & Mfrs | 23 |
| Appraisers | 23 |
| Aquariums & Aquarium Supplies- Dealers | 23 |
| Archaeologists | 23 |
| Archery Equipment & Supplies | 24 |
| Architects | 24 |
| Armored Car Service | 24 |
| Art Galleries Dealers & Consultants | 24 |
| Art Instruction & Schools | 24 |
| Art Supplies | 24 |
| Artificial Flowers, Plants & Trees | 24 |
| Artificial Limbs | 24 |
| Artists’ Materials & Supplies | 24 |
| Asbestos Inspection, Removal & Consulting | 24 |
| Services |
| Asphalt & Asphalt Products | 25 |
| Asphalt & Asphalt Products-Mfrs | 25 |
| Assisted Living | 25 |
| Associations | 25 |
| Athletic Organizations | 25 |
| Attorneys | 25 |
| Attorneys-Admiralty & Maritime Law | 36 |
| Attorneys-Bankruptcy | 36 |
| Attorneys-Bankruptcy-Consumer | 37 |
| Attorneys-Business Litigation | 37 |
| Attorneys-Civil Trial Law | 38 |
| Attorneys-Collections | 38 |
| Attorneys-Criminal Law | 38 |
| Attorneys-Driving Under The Influence Of Alcohol | 38 |
| & Drugs Law |
| Attorneys-Elder Law | 39 |
| Attorneys-Environmental Law | 39 |
| Attorneys-Family Law | 39 |
| Attorneys-General Practice | 39 |
| Attorneys-Immigration, Naturalization & Customs | 39 |
| Law |
| Attorneys-Insurance Law | 39 |
| Attorneys-Labor & Employment Law | 39 |
| Attorneys-Malpractice & Professional Negligence | 39 |
| Attorneys-Marital & Family Law | 40 |
| Attorneys-Mediation Services | 40 |
| Attorneys-Patent, Trademark & Copyright | 40 |
| Attorneys-Personal Injury & Property Damage | 40 |
| Attorneys-Probate Law | 42 |
| Attorneys’ Service Bureaus | 43 |
| Attorneys’ Support Services | 43 |
| Attorneys-Real Estate Law | 43 |
| Attorneys-Social Security & Disability Law | 43 |
| Attorneys-Tax Law | 44 |
| Attorneys-Trial Practice-General | 44 |
| Attorneys-Trial Practice-Personal Injury & Wrongful | 44 |
| Death |
| Attorneys-Wills, Trusts, Estates & Estate Planning | 44 |
| Attorneys-Worker’s Compensation | 44 |
| Audio-Visual Consultants & Designers | 44 |
| Audio-Visual Equipment-Dealers | 44 |
| Audio-Visual Equipment-Renting & Leasing | 44 |