Haldia Petrochemicals and Rhône Capital Complete Acquisition of Lummus Technology

Black Bay Energy Capital Acquires Merichem Process Technologies & Catalyst Business (Merichem Technologies)

January 3, 2024

Industrial Services

Black Bay Energy Capital acquired Merichem Company's technology business — Merichem Process Technologies and Merichem Catalyst Products — which will be renamed Merichem Technologies and operated as a standalone sulfur-treating platform. Merichem Company will retain its caustic services business while the new platform will be led by former Merichem technology leaders to expand sulfur-treatment capabilities across energy and industrial end markets.

Montagu Acquires Majority Stake in HTL Biotechnology

February 28, 2022

Pharmaceuticals

Montagu, a leading private equity firm, has acquired a majority stake in HTL (HTL Biotechnology) from Bridgepoint, with minority shareholders Naxicap and Téthys Invest retaining their holdings. Montagu will support HTL's international expansion, R&D and premium product positioning and has appointed Paul Navarre as Chairman to help drive the company's next growth phase.

Mississippi Lime Company (MLC) Acquires Burnett, Inc.

January 6, 2026

Manufacturing

Mississippi Lime Company (MLC), an HBM Holdings company, has completed the acquisition of Burnett, Inc., a technical leader in lime slurry systems and services used in municipal water treatment. The deal includes Burnett's four Southeast U.S. operations, trucking business and proprietary technologies (CAL~FLO and the RE~MIN PROCESS); financial terms were not disclosed.

Brixey & Meyer Capital Acquires Hamlett Engineering Sales Co (HESCO) and Lipp American Tank Systems

December 20, 2023

Environmental Services

Brixey & Meyer Capital (BMC) has acquired Hamlett Engineering Sales Co (HESCO) and Lipp American Tank Systems (LATS), two Novi, Michigan–based service providers and process equipment distributors serving municipal water systems and large waste producers. The businesses were acquired from Kevin Livingston and Glenn Hummel, who will continue to lead and remain as owners; BMC says the investment will expand capabilities and accelerate growth.

Kuraray Co., Ltd. Acquires Nelumbo Inc.

April 2, 2025

Manufacturing

Kuraray Co., Ltd. has acquired Nelumbo Inc., a Hayward, California-based developer of surface modification technologies, to add a new technology platform and accelerate global expansion. The deal—executed through Kuraray's U.S. subsidiary Kuraray Holdings U.S.A., Inc.—was announced April 2, 2025; the purchase price was not disclosed and Houlihan Lokey served as Nelumbo's exclusive financial advisor.

River Associates Acquires The Rubber Group (Humphrey's Industrial Products)

July 15, 2022

Manufacturing

River Associates Investments, LP acquired Humphrey's Industrial Products, Inc. (d/b/a The Rubber Group) in a transaction that closed on July 15, 2022. The Rochester, New Hampshire-based manufacturer of custom compression and injection-molded rubber products will be backed by River to pursue growth and add-on acquisitions; financing was provided by Bell Capital Finance (a division of Bell Bank).