Ton, unit of weight in the avoirdupois system equal to 2,000 pounds (907.18 kg) in the United States (the short ton) and 2,240 pounds (1,016.05 kg) in Britain (the long ton).
Reseller permits allow: 1  Retailers and wholesalers to purchase items for resale in the regular course of their business without paying sales tax.  Manufacturers to purchase, without paying sales tax, ingredients or components that enter into and become a physical part of a new article or substance produced for sale.
If you are a service but you also use parts you will need a sellers permit also called a resale license or resale certificate to collect taxes and or buy wholesale. Any businesses that sell prepared food need a sellers license.