| U.S. Fish and Wildlife Service | Regulated and Endangered Species Items |
| U.S. Food and Drugs Administration | Regulated items, i.e., Silverware, Flatware, Antiques |
| U.S. Department of Agriculture | Regulated collectibles, wooden items |
| U.S. Customs | Tariff numbers for imported items |
| EIN REGISTRATION | Online Application for EIN |
| USCIB | Vat Percentage per Country |