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About ISA

ISA’s purpose is to help members develop
and advance their companies and careers.

Most professionals lack access to meaningful
business relationships, relevant education
and actionable data.

We’re on a mission to change that.

Join Today

Our Heritage

ISA dates back to 1902… one year before the first World Series when the Boston Red Sox beat the Pittsburg Pirates. It all started when 19 distributors decided to meet in Charleston, SC to form the Southern Industrial Distribution Association (SIDA) and named CB Jenkins of Cameron & Barkley as their first President.

Shortly thereafter, in 1905, the Northern Industrial Distribution Association (NIDA) and the American Supply and Machinery Manufacturers Association (ASMMA) were formed. Two years later, in 1907, the first Triple Mill Convention took place, bringing together these three independent associations.

Fast-forward to 2007, ISA was formed bringing together Manufacturers, Distributors and Independent Representatives (NIRA) into one association.

Today, ISA is the association for the industrial MROP channel.

Who Our Members Are


You’re a wholesale distributor buying MROP products from manufacturers and selling them to end-users. Or, you’re a master distributor buying MROP products from manufacturers and selling them to wholesale distributors.

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You’re a company that manufacturers MROP products and sells them through distribution.

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Industrial Manufacturers' Representatives (IMRs)

You're a company contracted by a manufacturer as their sales representative to sell and support their MROP products at the distributor and end-user level.

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Service Providers

You're a company that provides services, such as logistics, insurance and technology solutions to ISA member companies.

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