Rainier Partners, a Seattle-based private equity firm, has invested in Wilmar Corp. and its subsidiaries.

Wilmar is a supplier, distributor and category manager of tools and equipment for the automotive aftermarket. The firm manages specialty tools, hand tools and equipment for over 750 customers across automotive, hardware, farm and fleet and industrial end markets. The investment will assist in accelerating Wilmar’s growth across product categories, end markets and geographies.

“The entire Wilmar team has played an important role in establishing our reputation for quality products and exceptional service,” commented Jon Cantalini, CEO of Wilmar. “We look forward to building upon that foundation with the partnership and support of Rainier, who understands both our business and our culture.”

“We see tremendous opportunity for the Company and look forward to continuing Wilmar’s long history of partnership with its customers,” added Jon Altman, managing partner of Rainier. “The additional resources, capital, and expertise Rainier provides will support both organic growth and strategic acquisitions.”