No person, firm or corporation shall utilize in any commercial transaction a company or firm name which contains the word "wholesale" unless such person, firm or corporation is engaged principally in sales at wholesale as defined in G.S. 105-164.3. For the purposes of determining whether sales are made principally at wholesale or retail, all sales to employees of any such person, firm or corporation, all sales to organizations subject to refunds pursuant to G.S. 105-164.14 through G.S. 105-164.14B and all exempt sales pursuant to G.S. 105-164.13 shall be considered sales at wholesale. Sales of merchandise for delivery by the seller to the purchaser at a location other than the seller's place of business shall be considered sales at wholesale for the purposes of this section.
N.C. Gen. Stat. § 75-29