May River Capital Acquires PaperTech

PaperTech Acquires Bake-Best Trays to Expand Food-Focused Sustainable Packaging Platform

January 29, 2026

Packaging

PaperTech, a Findlay, Ohio-based pressed paperboard manufacturer and portfolio company of May River Capital, has completed the acquisition of Bake-Best Trays, a Redmond, Oregon-based maker of ovenable pressed paperboard trays. The add-on expands PaperTech’s tray product lineup and adds susceptor-enabled cooking-performance technologies to broaden its sustainable packaging offering for food processors, distributors and foodservice operators.

May River Capital Acquires Marion Process Solutions

January 10, 2019

Manufacturing

Chicago-based private equity firm May River Capital has completed the acquisition of Marion Process Solutions, a Marion, Iowa manufacturer of industrial mixers, blenders and microwave vacuum drying systems. The deal—terms undisclosed—transfers ownership from longtime owners Barry Boyer and Jim Hoke to May River, which intends to use Marion as the first building block of a new materials processing solutions platform and to support the company’s growth under existing management.

May River Capital Acquires Cashco as Flow Control Solutions Platform

November 13, 2024

Manufacturing

May River Capital, a Chicago-based private equity firm, has acquired Cashco, a designer and manufacturer of pressure management and flow control products headquartered in Ellsworth, Kansas. Cashco will serve as May River's inaugural investment in a new Flow Control Solutions platform, with May River planning significant investments to grow the business organically and through add-on M&A while retaining Cashco's existing leadership.

Salt Creek Capital Recapitalizes Pacific Paper

December 6, 2022

Packaging

Salt Creek Capital completed a recapitalization of Pacific Paper, partnering with CEO Bill Donahue to provide liquidity to investors and support the company's next growth phase. Pacific Paper, headquartered in Rancho Cucamonga, California, is a custom paperboard sheet converter serving packaging manufacturers and commercial printers across the U.S.; the company employs over eighty people and operates facilities in Southern California and Lithia Springs, Georgia.

May River Capital Forms Advanced Material Processing and Acquires Kason Corporation

August 1, 2019

Manufacturing

Chicago-based private equity firm May River Capital formed a new platform, Advanced Material Processing (AMP), and concurrently acquired Kason Corporation to be part of the platform alongside existing portfolio company Marion Process Solutions. Northstar Capital provided subordinated debt and an equity co-investment to finance the transaction. The deal aims to consolidate complementary material-processing equipment businesses to expand engineering capabilities and accelerate organic and acquisitive growth in hygienic process end markets.

Sky Island Capital Acquires Pacific Paper Tube Inc

July 18, 2024

Manufacturing

Sky Island Capital, a Dallas-based lower middle market private equity firm, has made a majority investment in Pacific Paper Tube Inc., a Stockton, California-based manufacturer of sustainable paper tubes and cores. The deal establishes Pacific Paper Tube as Sky Island's first platform investment in its second fund and is intended to support geographic expansion, operational growth, and add-on acquisition activity while partnering with the founding Wallace family and management.