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Twenty-five years after its founding by Ronald and JoAnn Riley and sons Brad and Randy, Southern Michigan Rubber continues as a thriving business in southwest Michigan, just east of Jones along M-60. "Weve been so blessed," said Marel Ryman, daughter of the founders and director of operations for the business.

Southern Michigan Rubber has now been certified to the ISO 9001:20008 standard of quality. Ever since 1990, we have been producing high quality rubber products, which has now been formally recognized by the International Organization of Standardization (ISO), implemented here in Three Rivers Michigan by American Management Technology. ISO 9001 is the most comprehensive level [...]