Stoneridge Sells Control Devices Segment to Center Rock for $59 Million

Cornerstone Capital Partners Recapitalizes RidgeRock Retaining Walls

January 1, 2025

Building Products

Cornerstone Capital Partners completed a recapitalization of RidgeRock Retaining Walls, a Charlotte-based distributor of proprietary segmental concrete blocks and retaining wall components. Source Capital and Everside Capital Partners provided debt and equity financing to support the transaction.

Control Devices Acquires Sherwood Valve

January 12, 2026

Manufacturing

Control Devices, a portfolio company of HBM Holdings, has acquired Sherwood Valve to expand its compressed gas flow control portfolio and enhance engineering and manufacturing capabilities. The deal adds Sherwood's product lineup and brand (operations in Cleveland, Ohio and the Pittsburgh area) and brings about 75 employees to Control Devices; financial terms were not disclosed.

TowerBrook and Related Fund Management Invest in Stonebridge Companies

March 2, 2022

Real Estate

TowerBrook Capital Partners completed a majority investment in Stonebridge Companies, with Related Fund Management taking a significant minority stake and founder Navin Dimond rolling a meaningful portion of his equity. The investors and Stonebridge will commit capital to establish a real estate investment platform to fund new hotel acquisitions and support the company’s geographic expansion and operational growth; financial terms were not disclosed.

Salt Creek Capital Acquires Northrock Industries

December 18, 2025

Manufacturing

Salt Creek Capital, a San Francisco Bay Area private equity firm, has acquired Northrock Industries, Inc., a Bohemia, New York-based manufacturer of American-made industrial construction tools. Bret Schmitz will become CEO as founder Brian Robertson exits, and Salt Creek intends to expand Northrock’s geographic reach, enhance its digital presence, and grow the customer base.

StoneRidge Insurance Brokers (CIVC Portfolio Company) Acquires John Stark & Company

December 13, 2021

Insurance

SIB Corp., operating as StoneRidge Insurance Brokers and backed by private equity firm CIVC Partners, has acquired John Stark & Company, a family-owned full-service insurance brokerage with offices in Barrie and Coldwater, Ontario. The acquisition expands StoneRidge’s personal, commercial and life insurance offerings and continues SIB’s roll-up strategy in Canada; Stark is the eighth transaction since SIB partnered with CIVC in 2019.

Center Rock Capital Partners Acquires John Lawrie Tubulars from Rubicon Partners

November 1, 2022

Industrial Services

Center Rock Capital Partners, together with John Lawrie management led by CEO Vic Sinclair, acquired John Lawrie Tubulars from Rubicon Partners. The transaction establishes John Lawrie as Center Rock’s platform investment (Fund II) to support organic growth, US yard expansion and entry into adjacent markets.