What Sets United Supply Company Apart in the Charlotte NC Business Community We weren’t able to create a summary for you. Refresh your page to try again. UnitedSupplyCompany is a privately owned company, established in 1962. Our corporate office is located in Charlotte, NC and to better serve our customers we have five additional branch locations. UnitedSupplyCompany is a privately owned company, established in 1962. The company's corporate office is located in Charlotte, NC and to better serve the company's customers the company has five additional branch locations. Each location features a trade only professional window covering show. UnitedSupplyCompany is a privately owned company, established in 1962. Our corporate office is located in Charlotte, NC and to better serve our customers we have five additional branch locations. Apr 14, 2021 · UnitedSupplyCompany is a privately owned company, established in 1962. Our corporate office is located in Charlotte, NC and to better serve our customers we have five additional branch locations. Selective Enterprises, which also operates under the name UnitedSupplyCompany, is located in Charlotte, NorthCarolina. This organization primarily operates in the Drapery Material, Woven business / industry within the Wholesale Trade - Nondurable Goods sector. UnitedSupplyCompany is a privately owned wholesale manufacturer and distributor of name brand window treatments products. Established in 1962, our corporate office is located in Charlotte, NC and to better serve our customers we have five additional branch locations.