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Ervin Industries was founded in 1920 by Mr. John F. Ervin, a pioneer in the technical development of cast steel abrasives. Ervin Industries is the largest manufacturer of steel abrasives in North America and the leading exporter from North America.
Sparagowski is a Sylvania, OH-based company in the Business Services sector.
Leger is the largest Canadian-owned, market research and analytics company with more than 400 employees in six Canadian and US offices. Leger has been working with prestigious clients since 1986.
sullwold and hughes is a San Francisco, CA-based company in the Business Services sector.
Passport Corporation is a Paramus, NJ-based company in the Business Services sector.