American Industrial Partners
American Industrial Partners is a U.S. private equity investment firm focused on industrial businesses.
Last updated August 25, 2026
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Overview
American Industrial Partners is a U.S. private equity investment firm focused on industrial and related businesses. It generally participates in portfolio companies through acquisitions, investments, and operational improvement, but the available material does not provide verifiable information about its founding year, founder, headquarters, or investment scale. Detailed claims about its portfolio, management team, fund sizes, and latest activities are therefore omitted.
Products and positioning
Recent events
American Industrial Partners acquires RelaDyne[1]
Reported:
American Industrial Partners announced that it had acquired RelaDyne from Audax Private Equity.
ADDMAN completes acquisition of Domaille Engineering[2]
Reported:
ADDMAN Engineering and American Industrial Partners completed the acquisition of Domaille Engineering, a manufacturer of aerospace and defense components and fiber optic instruments. The transaction terms were not disclosed.
Domtar agrees to sell Personal Care business to AIP[3]
Domtar announced a definitive agreement to sell its Personal Care business to American Industrial Partners for $920 million. The transaction was subject to regulatory approvals and customary closing conditions and was expected to close by the end of the first quarter of 2021.
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