Madsen & Howell Inc. is one of the largest independent industrial distributors in New Jersey and a part of the Madsen group. It is one of the principal independent industrial distributors in the Northeast. Based in Perth Amboy, N.J., the company's wide-ranging clientele includes all types of manufacturers and most market sectors. Madsen & Howell Inc. is a member of International Society of Automation (ISA) and Affiliated Distributors (AD). Serving industry since 1909, the Madsen group of companies also includes Abrasive Machine and Supply, Essex Caster and Rubber, Tool Krib Supply and Door and Hardware Supply.