Midland Industries Acquires Stainless Adapters Inc.

Midland Industries Acquires Century Brass Products

November 10, 2021

Building Products

Midland Industries, a portfolio company of Wynnchurch Capital, has acquired Century Brass Products, a Long Island-based distributor of machined brass fittings, valves and related plumbing supplies. The deal expands Midland's product offering and geographic footprint in the plumbing wholesale channel and integrates Century Brass into Midland's manufacturing and distribution platform.

Wynnchurch Capital Acquires Mid‑America Fittings (Add-on to Distribution Platform)

February 28, 2019

Manufacturing

Wynnchurch Capital has completed the acquisition of Mid‑America Fittings, Inc., adding the Overland Park, Kansas-based manufacturer of engineered brass fittings and valves to its growing distribution and manufacturing platform. Mid‑America Fittings will join platform companies Anderson Metals, Midland Metal Mfg., and Buchanan Rubber Ltd., with the deal intended to broaden the platform's product and manufacturing capabilities and accelerate customer expansion.

Gemspring Capital Acquires Midland Industries

May 5, 2023

Industrial Services

Gemspring Capital Management affiliate has acquired Midland Industries, a Kansas City-based manufacturer and distributor of pipe, valve, and fitting products across North America. Existing investor Wynnchurch Capital sold a stake but retained a minority interest and coinvested alongside Gemspring; financial terms were not disclosed.

Midland Industries Acquires Cerro Brass

July 31, 2025

Industrial Services

Midland Industries, a portfolio company of Gemspring Capital, has acquired Cerro Brass from Cerro Flow Products (a Marmon Holdings subsidiary). The deal expands Midland's brass product offering and strengthens its supply chain and distribution capabilities to better serve residential, commercial, and industrial customers nationwide.

Winsert Acquires Mack Tool & Engineering

August 11, 2025

Manufacturing

Winsert, an advanced alloy components manufacturer based in Marinette, Wisconsin, has acquired Mack Tool & Engineering, a precision machining firm headquartered in South Bend, Indiana. The deal expands Winsert’s manufacturing capabilities and strengthens its presence in aerospace and medical end markets by adding Mack’s NADCAP- and AS-9100-certified machining expertise.

Blackwell Capital Group Acquires Advance Fittings Corp.

November 4, 2021

Manufacturing

Blackwell Capital Group, a privately held investment firm based in Milwaukee, has acquired Advance Fittings Corp., a U.S. manufacturer of stainless steel and BPE fittings. Advance Fittings' founder Edward Mentzer will retire while several existing managers (including COO Peter Mentzer and VP of Operations Dean Perona) remain in leadership and as shareholders; Blackwell said it will provide resources and expertise to support the company's growth and operations.