Industrial-focused private equity firm

American Industrial Partners

At a glance

Assets under management$17.8B (as of Mar 2026) S1
Latest fundAmerican Industrial Partners Capital Fund VIII, $5B (Oct 2023) S3
Revenue range$500M+ S4
Deal typesPlatform, Add-on S1
SectorsIndustrial & Manufacturing, Distribution, Transportation & Logistics, Construction Services

What American Industrial Partners buys

American Industrial Partners, usually called AIP, is a New York private equity firm that focuses entirely on the industrial economy. It manages about $17.8 billion and names twelve target areas, among them aerospace and defense, building products, capital equipment, chemicals, distribution, industrial services, metals and mining, packaging and forest products, medical devices, and transportation. Its press releases say it buys established businesses with more than $500 million of sales, through corporate carve-outs, management buyouts, recapitalizations and take-privates of public companies. Recent examples are International Paper's pulp business, PPG's North American paint business and Avanos Medical.

AIP is a hands-on owner. It leans on a team of engineers and operators who set an operating plan at each company to lift earnings, and it counts more than 145 platform and add-on acquisitions since it began. A founder-owned company is far too small to be an AIP platform, so the realistic route is a sale to one of its portfolio companies. RelaDyne, its lubricants and fuel distributor, keeps buying family-owned regional distributors, such as Dennis Oil in Missouri and Rossee Oil in Georgia.

Recent deals

Announced in the 24 months before October 22, 2026.

DateCompanyTypeSectorSource
Sep 2026Rossee Oil CompanyGeorgia fuel and lubricant distributor, founded in 1945, added to RelaDyneAdd-onDistributionSource
Aug 2026OilRedColombian lubricants distributor added to RelaDyne's Latin American divisionAdd-onDistributionSource
Jul 2026Avanos MedicalTake-private of the medical device maker completed at about $1.27 billionPlatformIndustrial & ManufacturingSource
Jul 2026Intelligrated (Honeywell Warehouse and Workflow Solutions)Warehouse automation carve-out from Honeywell, combined with AIP's TrewPlatformIndustrial & ManufacturingSource
Jun 2026Chart Distribution GroupSt. Louis lubricant and automotive products distributor added to RelaDyneAdd-onDistributionSource
Mar 2026Aluminium DunkerqueAgreement to sell the French aluminium smelter to AlbaExitIndustrial & ManufacturingSource
Feb 2026Dion and SonsSouthern California petroleum distributor added to RelaDyneAdd-onDistributionSource
Jan 2026Dennis Oil CompanyMissouri lubricant blender and distributor, founded in 1940, added to RelaDyneAdd-onDistributionSource
Jan 2026Global Cellulose FibersFluff pulp carve-out from International Paper completedPlatformIndustrial & ManufacturingSource
Sep 2025Ocean State OilRhode Island lubricant distributor added to RelaDyneAdd-onDistributionSource
Jun 2025Dawson Oil CompanyNorthern California fuel and lubricant supplier added to RelaDyneAdd-onDistributionSource
Dec 2024Pittsburgh Paints Co.PPG's US and Canadian architectural paint business, carved out and renamedPlatformIndustrial & ManufacturingSource
Nov 2024Grain & Protein TechnologiesAGCO's grain storage and protein equipment division, carved out with about $1 billion of revenuePlatformIndustrial & ManufacturingSource

Portfolio by sector

From the firm's portfolio page S2.

Aerospace & Defense

  • Ascent Aerospace
  • Crestview Aerospace

Automotive

  • Veoneer

Building Products

  • Canam
  • Pittsburgh Paints Co.

Capital Equipment

  • GD Energy Products
  • Grain & Protein Technologies

Chemicals

  • Nexpera

Distribution

  • Optimas
  • RelaDyne

Industrial Services

  • Brock
  • Strike

Industrial Technology

  • ADDMAN Engineering
  • Current
  • Trew Automation

Metals & Mining

  • Austin Powder
  • Boart Longyear
  • Commonwealth Rolled Products
  • Element 13

Paper, Packaging, and Forest Products

  • Attindas Hygiene Partners
  • Enviva
  • Global Cellulose Fibers

Transportation & Logistics

  • Aker Qrill Company
  • SEACOR Holdings
  • Trident Aqua Services

Greymont’s take

How American Industrial Partners fits a seller

AIP is not a direct buyer for most founder-owned businesses. Its platforms are big corporate divisions and public companies, and its stated floor is more than $500 million of sales. Where it matters to a smaller owner is through its portfolio companies. RelaDyne alone closed at least seven purchases of regional lubricant and fuel distributors between June 2025 and September 2026, several of them family businesses that were founded generations ago, and AIP's count of more than 145 platform and add-on deals shows its other companies buy too.

An owner approached by one of these companies is really selling to a strategic buyer with AIP behind it. Two questions are worth asking early: how the business will be merged into the platform's branches and systems, and what AIP's operating plan means for local managers and staff after closing.

Questions owners ask

How big does a company need to be for American Industrial Partners?

AIP's press releases describe its targets as established businesses with sales above $500 million. Recent platforms fit that profile: Global Cellulose Fibers had about $2.3 billion of revenue, and Avanos Medical was valued at about $1.27 billion.

Can a smaller company sell to an AIP business?

Yes, mainly as an add-on. RelaDyne, an AIP portfolio company, bought seven regional lubricant and fuel distributors between June 2025 and September 2026, including Dennis Oil, Chart Distribution Group and Rossee Oil.

What kinds of deals does AIP do?

Corporate carve-outs are its trademark. In the last two years it bought businesses from International Paper, PPG, AGCO and Honeywell and took Avanos Medical private. Its releases say it also does management buyouts and recapitalizations.

Sources

  1. S1American Industrial Partners home page (AUM as of March 31, 2026, focus verticals, office address) Accessed October 22, 2026
  2. S2AIP: Portfolio, filtered to current companies Accessed October 22, 2026
  3. S3American Industrial Partners Closes Eighth Fund at $5 Billion Hard Cap (October 31, 2023) Accessed October 22, 2026
  4. S4American Industrial Partners Completes Acquisition of Avanos Medical, Inc. (July 27, 2026) Accessed October 22, 2026
  5. S5AIP Completes Acquisition of International Paper's Global Cellulose Fibers Business (January 23, 2026) Accessed October 22, 2026
  6. S6AIP Completes Acquisition of Honeywell Technologies' Warehouse and Workflow Solutions Business (July 27, 2026) Accessed October 22, 2026
  7. S7AIP News Accessed October 22, 2026
  8. S8American Industrial Partners releases on PR Newswire Accessed October 22, 2026
  9. S9RelaDyne Acquires Rossee Oil Company (September 17, 2026) Accessed October 22, 2026

Compiled by Greymont Advisors from public sources, including the firm’s own website and press releases. Greymont is not affiliated with American Industrial Partners. Figures are as reported on the dates shown and may have changed. Request a correction

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