Below are the categories of ISA membership, as defined the ISA Board of Directors in the official bylaws of the association (please note - the ISA bylaws are restricted for members only. Visit the membership section for more information on joining ISA.
Local / Custom Sign Company Division: A business primarily engaged in the sale or lease of signs and/or related services to the final users who operate in a local market area.
National Sign Company Division: A business primarily engaged in the sale or lease of signs and/or related services to final users who operate in a multi-state, multi-province or national market area.
Architectural Sign Division: A business primarily engaged in the design and/or manufacture of sign systems, which direct, inform, regulate and identify as part of a designed
environment.
Digital Sign Division: Any business, franchisor, licensor, franchisee, licensee or business development company primarily engaged in the design, manufacture, installation, and/or sale of digitally produced vinyl and/or printed graphics and signage and/or education related thereto.
Suppliers Division: A business engaged in the manufacture and/or sale of materials, subassemblies, fabricated components, equipment, signs, software or services to distributors or sign companies.
Distributors Division: A business engaged in the storage and resale of materials, subassemblies, fabricated components, equipment or software from multiple suppliers to sign
companies.
Business Identity Division: A business that purchases signs for use in advertising itself, or its products or services: the final sign user.
Affiliated Associations Division: A not-for-profit sign industry association located in the United States or Canada.
International Division: A local or national sign company or a not-for-profit sign industry association located outside of the United States or Canada.
Non-Voting Associate Member Division: Individuals or organizations not otherwise identified above.