High Divide Minerals Acquires Vanderbilt Minerals

Vulcan Materials Divests California Ready-Mix Operations and Acquires Brannan Sand & Gravel Operations in Southern Colorado and Dallas-Fort Worth

June 8, 2026

Industrial Services

Vulcan Materials Company (NYSE: VMC) completed the divestiture of its ready-mixed concrete operations in California and acquired Brannan Sand & Gravel’s southern Colorado and Dallas-Fort Worth operations. The deal adds a rail-connected aggregate quarry with long-term reserves in Lamar, Colorado, and a new distribution yard in the Dallas-Fort Worth area.

McDanel Advanced Materials Acquires Richland Glass in Strategic Merger

January 16, 2026

Manufacturing

McDanel Advanced Materials and Richland Glass, both portfolio companies of Artemis, have completed a strategic merger that combines advanced ceramics, optical technologies (Rayotek) and precision specialty glass into a single materials-science platform. The combined organization will offer expanded engineered-materials and component solutions for mission-critical applications across aerospace, defense, life sciences, semiconductor and diversified industrial markets; financial terms were not disclosed.

Riverspan Partners Acquires United Titanium

September 16, 2025

Manufacturing

Riverspan Partners, a Chicago-based private equity firm focused on industrials, has acquired United Titanium, a Wooster, Ohio-based manufacturer of specialty titanium, zirconium and other-alloy fasteners, fittings and precision components. Financial terms were not disclosed; United Titanium will remain headquartered in Wooster under its existing leadership while Riverspan provides capital and operational support to drive product innovation, manufacturing improvements and global customer growth.

Riverspan Partners Acquires Barretts Minerals' Talc Assets from Minerals Technologies for $32M

April 29, 2024

Manufacturing

Riverspan Partners acquired the talc assets of Barretts Minerals Inc. from Minerals Technologies Inc. for $32 million following approval by the U.S. Bankruptcy Court for the Southern District of Texas. The assets will continue to operate under the Barretts Minerals brand as Riverspan — a Chicago-based PE firm focused on industrials — provides financial and operational support to expand the product portfolio.

Slate Capital Group Acquires Cumberland Diversified Metals

June 23, 2023

Industrial Services

Slate Capital Group, a private equity firm with offices in Baltimore, Nashville and Cincinnati, has acquired Cleveland-based Cumberland Diversified Metals, a value-added distributor and broker of specialty metals. The investment will add specialty metals distribution capabilities to Slate's lower-middle market portfolio and support Cumberland's growth plans across the U.S., Canada and Mexico.

Mississippi Lime Company Acquires Valley Minerals

September 20, 2022

Manufacturing

Mississippi Lime Company (an HBM company) completed the acquisition of Valley Minerals, a single-site dolomitic quicklime producer in Bonne Terre, Missouri. The deal expands Mississippi Lime's ability to serve the growing next-generation steel production market in the Central U.S. and includes planned investment to upgrade the facility's kiln to a more energy-efficient vertical kiln.