Tonka Bay Equity Partners Announces Acquisition Of Circuit Check

Tonka Bay Equity Partners (“Tonka Bay”) today announced the acquisition of Circuit Check, Inc. Based in Maple Grove, Minnesota, Circuit Check is a leader in the design and manufacturing of interfaces to test mission-critical printed circuit board assemblies. The Company’s services include test strategy design, test programming, design-for-test consulting, and training. Founded in 1978, Circuit Check employs 160 people in seven locations including Malaysia, China and Mexico. The Company’s website can be found at (

Peter Kooman, Managing Principal of Tonka Bay and Circuit Check board member said, “We are excited to partner with the Circuit Check management team. They are leaders in their industry and have developed strong relationships with their customers. We believe that demand for Circuit Check’s products and services will continue to grow and will be driven by electronic device proliferation, design changes, and shortening product life cycles. In addition, the Company’s wireless test interfaces provide a competitive advantage that is unmatched in the marketplace.”

“The acquisition by Tonka Bay provides additional resources for continued growth,” stated Circuit Check President Greg Michalko. “Tonka Bay’s experience helping businesses grow and access to capital will assist us in continuing to provide our customers with unrivaled levels of service.”

Circuit Check’s senior management team and St. Cloud, Minnesota based Granite Equity Partners co-invested with Tonka Bay in the transaction.

About Tonka Bay Equity Partners
Based in Minnetonka, Minnesota, Tonka Bay has been Building Bigger, Better Businesses® for over 25 years. Tonka Bay Equity Partners is a private equity firm that acquires and invests in growth-oriented businesses in the highly engineered manufacturing, business services and value-added distribution sectors. For more information, call (952) 345-2030 or visit

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