ADDMAN Acquires Dinsmore & Associates

ADDMAN Engineering Acquires Forecast 3D to Expand Polymer Additive Manufacturing Capacity

January 6, 2026

Industrial Services

ADDMAN Engineering LLC acquired Forecast 3D, a Carlsbad, California-based polymer additive manufacturing company, and will integrate it into ADDMAN’s Polymer division. The deal expands ADDMAN’s West Coast polymer capacity and adds powder-based polymer capabilities (including SLS and Multi Jet Fusion) plus a digital quoting and customer support platform.

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 Engineering Acquires Castheon Inc.

January 3, 2022

Manufacturing

ADDMAN Engineering has acquired Castheon Inc., a metals additive-manufacturing business focused on refractory metals for mission-critical space applications. The deal expands ADDMAN's capabilities in printing difficult-to-manufacture metals (including niobium) for spacecraft components and is supported by ADDMAN's sponsor, American Industrial Partners.

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.

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.

DSi-Digital Acquires Manufacton

February 24, 2021

Cloud & SaaS

DSi-Digital, a holding company focused on the AEC market, acquired Manufacton, a production-control and workflow SaaS platform for construction firms. The acquisition pairs Manufacton's offsite production and materials management capabilities with DSi-owned ViZZ's 3D visualization and AI/digital-twin technology to create an end-to-end AEC lifecycle solution.