ADDMAN Engineering Acquires Castheon Inc.

ADDMAN Engineering Acquires 3rd Dimension Industrial 3D Printing

April 13, 2021

Manufacturing

ADDMAN Engineering, a metal additive manufacturing platform backed by American Industrial Partners, has acquired 3rd Dimension Industrial Printing of Westfield, Indiana. The deal adds metal additive and CNC capabilities to ADDMAN’s operations, creating a second AM location complementing its Bonita Springs, Florida headquarters and expanding capability for aerospace, racing and consumer goods customers.

ADDMAN Acquires HARBEC Inc.

November 3, 2022

Manufacturing

ADDMAN Engineering, an American Industrial Partners (AIP)-backed platform, has acquired HARBEC Inc., a contract manufacturer specializing in precision machining, additive (3D) printing and injection molding headquartered in Ontario, New York. The acquisition adds roughly 160 employees and broadens ADDMAN's polymer product lifecycle capabilities, strengthening its presence in aerospace, defense and medical end markets.

ADDMAN Acquires Forecast 3D from GKN Powder Metallurgy

January 6, 2026

Manufacturing

ADDMAN Engineering LLC, a portfolio company of American Industrial Partners, has acquired Forecast 3D, a Carlsbad, California-based polymer additive manufacturing firm formerly operated by GKN Powder Metallurgy. The deal expands ADDMAN's West Coast polymer capacity and digital quoting capabilities, increasing its industrial additive fleet to over 160 systems and advancing its strategy to build a comprehensive North American additive manufacturing platform.

ADDMAN Acquires Dinsmore & Associates

January 11, 2023

Manufacturing

ADDMAN Engineering, supported by private equity firm American Industrial Partners, has acquired Irvine-based Dinsmore & Associates, a polymer 3D printing and rapid-manufacturing services provider. The deal expands ADDMAN's polymer additive manufacturing and quick-turn capabilities, strengthening its ability to serve medical and other high-value end markets.

ADDMAN Engineering (AIP) Acquires Domaille Engineering

December 1, 2021

Aerospace & Defense

ADDMAN Engineering, a platform established and backed by private equity firm American Industrial Partners (AIP), has completed the acquisition of Domaille Engineering. Domaille — a Rochester, Minnesota-based manufacturer of mission-critical aerospace & defense components and proprietary fiber optic instruments with additional facilities in Wright City, Missouri and Glen Burnie, Maryland — expands ADDMAN's additive and traditional machining capabilities and geographic footprint. Terms were not disclosed.

ADC Aerospace Acquires Cast-Rite Corporation

February 12, 2024

Manufacturing

ADC Aerospace, a GreyLion-backed manufacturer, has acquired Cast-Rite Corporation, a provider of advanced die casting and fabrication solutions. The add-on acquisition will consolidate Cast-Rite operations into ADC's Buena Park facilities to expand product scope, increase market penetration across aerospace, defense, medical and automotive end markets, and leverage existing manufacturing capacity.