Investment Summary

Stonebridge Partners, Promus Equity Partners and Brookside Capital Partners Exits ADI American Distributors

On September 25, 2025, AAR invested in distribution company ADI American Distributors from Stonebridge Partners, Promus Equity Partners and Brookside Capital Partners for 146M USD

Investment Highlights
  • This is AAR’s 1st transaction in the Distribution sector.
  • This is AAR’s 2nd largest (disclosed) transaction.
  • This is AAR’s 9th transaction in the United States.
  • This is AAR’s 1st transaction in New Jersey.

Investment Summary

Date 2025-09-25
Target ADI American Distributors
Sector Distribution
Investor(s) AAR
Sellers(s) Stonebridge Partners
Promus Equity Partners
Brookside Capital Partners
Deal Type Add-on Acquisition
Deal Value 146M USD

Target

ADI American Distributors

Randolph, New Jersey, United States
ADI American Distributors is a distributor and value-added assembler of electrical components and systems primarily for the global aerospace industry. ADI American Distributors was founded in 1983 and is based in Randolph, New Jersey.

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Investor(S) 1

Investor

AAR

Wood Dale, Illinois, United States

Category Company
Founded 1951
Sector Aerospace
Employees5,700
Revenue 2.3B USD (2024)
DESCRIPTION
Entrance to AAR's corporate headquarters in Wood Dale, Illinois.
Entrance to AAR's corporate headquarters in Wood Dale, Illinois.

AAR is a provider of aerospace products and services to commercial airlines, government agencies, and original equipment manufacturers. AAR was founded in 1951 and is based in Wood Dale, Illinois.


DEAL STATS #
Overall 11 of 12
Sector: Distribution M&A 1 of 1
Type: Add-on Acquisition M&A Deals 7 of 7
State: New Jersey M&A 1 of 1
Country: United States M&A 9 of 10
Year: 2025 M&A 1 of 2
Size (of disclosed) 2 of 3
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2024-12-20 AAR - Landing Gear Overhaul Business

Miami, Florida, United States

AAR's Landing Gear Overhaul Business provides full-service landing gear maintenance, repair, and overhaul services to commercial and government customers. AAR's Landing Gear Overhaul Business is based in Miami, Florida.

Sell $51M
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2025-11-03 Haeco Americas

Greensboro, North Carolina, United States

Haeco Americas is a heavy maintenance provider that performs heavy aircraft maintenance, repair, and overhaul (MRO) and modification services. Haeco Americas is based in Greensboro, North Carolina.

Buy $78M

Seller(S) 3

SELLER

Stonebridge Partners

White Plains, New York, United States

Investor Investor Investor Investor Investor


Category Private Equity Firm
Founded 1986
PE ASSETS 900M USD
Size Middle-Market
Type Sector Agnostic
DESCRIPTION

Stonebridge Partners is a private equity firm that targets investments in mid-sized privately-owned companies or divisions of public companies primarily serving the industrial or commercial marketplaces. The Firm 'particularly seeks companies where manufacturing equipment, processes, technology, patents, brand identity and/or reputation provide sustainable barriers to entry for potential competitors'. Target sectors include specialty manufacturing, value-added distributors, specialty packaging, building materials, and infrastructure. Stonebridge prefers businesses located in the US and Canada. Stonebridge Partners was formed in 1986 and is based in White Plains, New York.


DEAL STATS #
Overall 23 of 23
Sector: Distribution M&A 2 of 2
Type: Add-on Acquisition M&A Deals 8 of 8
State: New Jersey M&A 1 of 1
Country: United States M&A 22 of 22
Year: 2025 M&A 2 of 2
Size (of disclosed) 4 of 4
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-06-19 Specialty Bakers

Marysville, Pennsylvania, United States

Specialty Bakers produces branded and private label baked products such as French Twirls (Crème Horns), Dessert Shells, Cake Rolls, and Angel Food Cakes. The products are distributed primarily to grocery stores, mass merchants and other retailers for sale in their “in-store” bakery sections. Specialty Bakers was established in 1901 and is based in Marysville, Pennsylvania.

Sell -
SELLER

Promus Equity Partners

Chicago, Illinois, United States

Investor Investor Investor Investor Investor


Category Private Equity Firm
Founded 2011
PE ASSETS 700M USD
Size Middle-Market
Type Sector Agnostic
DESCRIPTION

Promus Equity Partners is a private investment firm affiliated with Promus Holdings, a multi-family office. Promus looks to fund buyouts, management buyouts, and recapitalizations as well as growth equity financings and strategic add-ons for existing portfolio companies. Sectors of interest include consumer products, food, beverages, industrial products, specialty materials, distribution, and business services. Target platform companies generally have up to $15 million of EBITDA. Promus Equity Partners was founded in 2011 and is based in Chicago, Illinois.


DEAL STATS #
Overall 10 of 10
Sector: Distribution M&A 1 of 1
Type: Add-on Acquisition M&A Deals 2 of 2
State: New Jersey M&A 2 of 2
Country: United States M&A 10 of 10
Year: 2025 M&A 2 of 2
Size (of disclosed) 1 of 2
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-06-30 Caputo Cheese

Melrose Park, Illinois, United States

Caputo Cheese is a manufacturer of the dairy products, crafts, processes, and blends high-quality cheeses. Caputo Cheese was founded year 1978 and is based in Melrose Park, Illinois.

Sell -
SELLER

Brookside Capital Partners

Investor Investor Investor Investor Investor


Category Mezzanine Finance Firm
Founded 2001
PE ASSETS 1.2B USD
Size Large
Type Sector Agnostic
DESCRIPTION

Brookside Capital Partners is an investment management firm focused on stable lower-middle market companies in the US. The Firm typically commits $5 to $30 million per transaction to support buyouts, leveraged recapitalizations, strategic acquisitions and growth. Potential businesses generally have revenue greater than $15 million, and EBITDA of at least $4 million. Industries of interest include business services, consumer, distribution, healthcare, manufacturing, and transportation and logistics. Brookside Capital Partners was established in 2001 and is based in Stamford, Connecticut.


DEAL STATS #
Overall 26 of 26
Sector: Distribution M&A 1 of 1
Type: Add-on Acquisition M&A Deals 7 of 7
State: New Jersey M&A 2 of 2
Country: United States M&A 26 of 26
Year: 2025 M&A 1 of 1
Size (of disclosed) 1 of 2
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-07-14 Sepratech Liquid Solutions

Gonzales, Louisiana, United States

Sepratech Liquid Solutions is an industrial water and wastewater treatment service provider specializing in clarification, filtration, demineralization, service contracts, and aftermarket support. Sepratech Liquid Solutions was founded in 1989 and is based in Gonzales, Louisiana.

Buy -