CMI Limited Co. Acquires Engineered Plastic Systems

March 25, 2020

CMI Limited Co. Acquires Engineered Plastic Systems

CMI Limited Co. (CMI) (, a portfolio company of Capital Partners, announces the acquisition of Engineered Plastic Systems (EPS) ( including the Lumberock® (, Bear Board ( and Perennial Park Products® ( brands.  

“The acquisition of EPS confirms our commitment to innovation and expands our portfolio of sustainable solutions,” says Duane Bryant, President and CEO of CMI. “Their mono-extruded HDPE decking boards, deck railing and fence railing add to our extrusion expertise, regional production footprint and ability to serve new and existing customers with a broader array of products. Additionally, EPS’ products are designed to provide superior performance for the marine markets we serve.”

About CMI Limited Co.

CMI, headquartered in Woodstock, Georgia, has manufacturing facilities in Georgia, Florida, Washington and with EPS, Illinois. They go to market with three divisions: synthetic sheet piling, aluminum fabricated structures and now decking.

CMI is the world’s leading manufacturer of vinyl sheet piling (ShoreGuard®), fiber-reinforced polymer piling (UltraComposite™) and aluminum sheet piling (AlumiGuard™).  These innovative products provide solutions for many water control and soil stabilization applications, including marine walls, flood protection, levee repair, retaining walls, cut-off and containment.

CMI’s aluminum fabrication division, compromised of GatorDock & Marine and Mantle Industries, are leading fabricators of custom aluminum marine access structures (GatorDock®), bridges (GatorBridge®), utility platforms and stairs (GatorAccess). Their aluminum-based structures are found in marinas, parks, industrial and OEM applications.

The company offers design,engineering, project management and proprietary installation equipment to support their customer requirements and project specific design.  CMI is a portfolio company of Capital Partners, a private investment firm based in Norwalk, Connecticut.


About Engineered Plastic Systems

Since 2000, EPS has been at the forefront of innovations in the plastic industry by engineering sustainable decking products made from high-density polyethylene (HDPE). They will continue to develop proprietary formulas that include recycled plastic from their manufacturing facility in Illinois.


About Capital Partners

Founded in 1982, Capital Partners( is a differentiated middle private equity investor based in Norwalk, Connecticut. The firm focuses on making control investments by acquiring small and mid-sized family and management-owned companies in the manufacturing, distribution and service industries. The firm targets investments based in the United States that initially have annual EBITDA between $4 million and $20 million, committed management teams, solid market positions, underlying demand characteristics for the products and/or services that are believed to be enduring, demonstrated records of free cash-flow generation and identifiable prospects for growth.  

“Unlike most private equity firms,we use a low debt investment approach designed to support rapid growth,” said Managing Director James Sidwa. “CMI has built a compelling business and has been a great fit with our investment philosophy. We are pleased to help them with this key addition to their business.”


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