IP Corporation subsidiaries include:
- Interplastic Corporation produces and distributes unsaturated polyester and vinyl ester resins, gel coats, and colorants for the composites and cast polymer industries.
- North American Composites (NAC) is a distributor of composite materials representing leading producers of resins, gel coats, initiators, fiberglass reinforcements, core materials, equipment, and other related composite products.
- Molding Products supplies custom-formulated sheet molding compounds (SMC) to the compression molding industry.
- HK Research is America’s leading gel coat company with a fully automated facility producing over 200,000,000 pounds of gel coat annually.