Lakeshore Diversified Products (“LDP”), a plastic injection molder, has been acquired by WPI, LLC, a portfolio of companies that manufacture interior trim components for the North American auto industry. The acquisition will accelerate the already rapid growth of its portfolio and expand its capabilities. It marks a continuation of WPI, LLC’s commitment to the auto industry and the state of Michigan and enables its portfolio to become more vertically integrated – a key component of its strategic plan.

Founded in 1989, Lakeshore Diversified Products ( is a leading producer and assembler of injection molded products for the consumer products, industrial, commercial, furniture, and automotive markets. The company specializes in encapsulation and insert molding and offers pad printing, machining, tapping, sonic welding, painting, and laser etching. LDP is located in Spring Lake, Michigan.

Michigan-based WPI, LLC invests in manufacturers of hard and soft interior trim components for North American and Transplant automakers. WPI, LLC’s goal is to cement strong relationships with LDP’s customers and suppliers. In addition, WPI, LLC seeks to enhance its current portfolio of business by expanding with current customers as well as bringing in new customers.

Cascade Partners (BlueWater Partners) served as the exclusive financial advisor to International Tooling Solutions. served as the exclusive financial advisor to Lakeshore Diversified Products.

Update: BlueWater Partners has joined Cascade Partners. Read more here.