“I've been impressed by Frontenac's focus on quality management teams. Their concerted effort to develop innovative growth strategies with their executive management teams and their results-driven approach are truly different. So much so that I was excited to begin a second opportunity to work with Frontenac and another talented management team.”

Bob Grubbs


CEO1ST Partner

Bob Grubbs serves as Executive Chairman of GNAP and previously served as Executive Chairman of Ohio Transmission Corp. Bob served as Chief Executive Officer of Anixter Inc., a distributor of communication and security products, electrical wire and cable products and fasteners which grew from $2.3B to $6.1B in revenue under his leadership from 1998 to 2008.

Company Overview

GNAP is a leading, national distributor of industrial abrasive products, equipment, specialty ceramics and ancillary services used by a broad base of customers in the applications of investment casting, metal stamping, machining, forging, remediation, coating and paving.

One South Wacker
Suite 2980
Chicago, IL 60606
Tel: 312.368.0044

We invest in high quality companies, primarily in the food, industrial and services industries. We work with business owners, almost always families, founders or entrepreneurs, as they address complex transition issues of liquidity, management enhancement and growth planning.

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