Ridgewood Infrastructure Acquires Controlling Interest in Sierra Railroad Company

Ridgewood Infrastructure Portfolio Company Sierra Railroad Company Acquires Central Valley Ag Transport

March 16, 2026

Transportation

Sierra Railroad Company, a portfolio company of Ridgewood Infrastructure, acquired Central Valley Ag Transport (CVAT). The acquisition strengthens Sierra’s short line rail platform by vertically integrating agricultural transload capabilities serving customers along Sierra Northern Railway’s network in California. Financial terms were not disclosed.

Ridgewood Infrastructure Acquires Valley Cold Storage & Transportation

December 6, 2024

Logistics & Distribution

Ridgewood Infrastructure has acquired Valley Cold Storage & Transportation, a New Mexico–based provider of temperature-controlled storage and logistics services, to support the company’s continued expansion into existing and new markets. Citizens served as exclusive financial advisor to Ridgewood and Kirkland & Ellis represented Ridgewood on the transaction.

Transportation Infrastructure Partners (Ridgewood Infrastructure & Savage) Acquires The Dupuy Group

May 1, 2023

Logistics & Distribution

Transportation Infrastructure Partners, a joint venture between Ridgewood Infrastructure and Savage, has acquired The Dupuy Group, a near‑port logistics and intermodal infrastructure provider serving major U.S. ports. The acquisition expands the JV's U.S. port and terminal footprint (complementing prior purchases of Carolina Marine Terminal and Nassau Terminals), and is intended to enhance service capabilities and realize synergies across the partners' port and terminal network.

Ridgewood Infrastructure Acquires APP Jet Center

January 11, 2022

Transportation

Ridgewood Infrastructure LLC announced the acquisition of APP Jet Center, a U.S. fixed-base operator (FBO) that owns and operates general aviation terminals in multiple metropolitan markets. Ridgewood said it will partner with APP's management to grow the business organically and through selective acquisitions, leveraging Ridgewood's transportation infrastructure experience.

H.I.G. Infrastructure Acquires Controlling Interest in Northern Biogas

September 20, 2022

Renewable Energy

H.I.G. Capital’s infrastructure arm, H.I.G. Infrastructure, has acquired a controlling interest in Northern Biogas, a Morgantown, West Virginia–based waste-to-renewable natural gas company that develops, builds, owns and operates anaerobic digester and RNG facilities. The investment will support Northern Biogas’ development pipeline of dairy, landfill and food-waste RNG projects across the U.S. as the company scales its construction, operations and service capabilities.

RailWorks Corp. Acquires H&H Engineering Construction

August 23, 2022

Transportation

RailWorks Corp., a Bernhard Capital Partners-backed specialty rail contractor, has acquired H&H Engineering Construction, a rail maintenance and construction contractor operating in the Western United States. The acquisition expands RailWorks' West Coast presence and capabilities, and allows H&H to leverage RailWorks' flash butt welding resources and broader maintenance-of-way platform.