Non-control junior capital investor (subordinated debt and minority equity)

Ironwood Capital

At a glance

Latest fundIronwood Capital Partners V (ICP V), $516M S1
EBITDA range$4M to $25M S2
Revenue range$20M to $250M S2
Check size$10M to $50M S2
Deal typesMinority, Growth S2
GeographyUnited States S6
SectorsIndustrial & Manufacturing, Construction Services, Transportation & Logistics, Healthcare Services

What Ironwood Capital buys

Ironwood Capital is a Connecticut firm, with a second office in Boston, that provides junior capital rather than control buyouts. It lends subordinated debt and buys minority equity, usually $10 million to $50 million per company, in businesses with $20 million to $250 million or more of revenue and $4 million to $25 million or more of EBITDA. By its own count it has put about $1.5 billion into more than 120 companies since its first fund in 2001.

Most of its deals sit behind a lead buyer such as a private equity fund or an independent sponsor, and Ironwood says its companies are usually family-owned before it arrives. It is a generalist with named focus areas in waste and environmental services, aerospace and defense, transportation and logistics, facilities services, business services, manufacturing and healthcare. A smaller company is most likely to meet Ironwood as an add-on to a sponsor-backed holding, such as John To Go or Elite Equipment Rental, or through a sponsor who brings Ironwood in to help finance a purchase.

Recent deals

Announced in the 24 months before November 4, 2026.

DateCompanyTypeSectorSource
Oct 2026Mid-West TextileTextile recycler sold to Greybull Stewardship; Ironwood had held debt and equity since 2022ExitSource
Aug 2026O'Donnell Metal Deck & Bar JoistBacked Clarendon Capital's purchase of this national distributor of metal deck and steel joistsInvestmentDistributionSource
Jul 2026United Design PartnersSubordinated debt and equity beside Palm Beach Capital to fund the purchase of NELSON WorldwideInvestmentSource
Jun 2026CJones PlumbingNorth Carolina new-home plumbing installer added to Pinnacle Contracting ServicesAdd-onConstruction ServicesSource
Jun 2026ISG Inc. and ISG RentsRichmond, Virginia equipment distribution and rental business added to Elite Equipment RentalAdd-onSource
Feb 2026Diverse LogisticsSubordinated debt and equity to support the merger of Diverse Logistics and Pulse Final MileInvestmentTransportation & LogisticsSource
Nov 2025iGOTPOOPUtah portable toilet, roll-off and septic business added to John To GoAdd-onSource
Nov 2025Rohner Finishing SystemsSubordinated debt and minority equity behind Hamilton Robinson Capital Partners' purchaseInvestmentIndustrial & ManufacturingSource
Aug 2025UniloyExit from the blow molding equipment maker and servicerExitIndustrial & ManufacturingSource
Jul 2025Active Thermal SolutionsSubordinated debt and equity behind LDR Partners' purchase of Active RadiatorInvestmentIndustrial & ManufacturingSource
Jun 2025Artisan BakerySubordinated debt and minority equity behind HC Private Investments' purchases of Specialty Bakers and SnackwerksInvestmentConsumer & FoodSource
Jun 2025RFR Metal FabricationOxford, North Carolina contract metal manufacturer added to H3 Manufacturing GroupAdd-onIndustrial & ManufacturingSource
Apr 2025Dooper's PoopersCape Coral, Florida portable toilet rental business added to John To GoAdd-onSource
Jan 2025ECS Environmental SolutionsSubordinated debt to refinance this Argosy Private Equity company, a maker of odor and air pollution control systemsInvestmentSource
Jan 2025H3 Manufacturing GroupSubordinated debt and equity in a recapitalization led by Rock Gate Partners and managementInvestmentIndustrial & ManufacturingSource
Jan 2025Air Temp Mechanical ServicesConnecticut commercial HVAC company sold to PremiStarExitHVAC, Plumbing & ElectricalSource
Dec 2024Newbury Franklin IndustrialsExit through a refinancing of Ironwood's senior subordinated debtExitIndustrial & ManufacturingSource
Dec 2024Sauvage PLLC and Tranquility Dental WellnessSubordinated debt for Espire Dental Management's purchase of two Washington State dental groupsAdd-onDentalSource

Portfolio by sector

From the firm's portfolio page S3.

Aerospace and Defense

  • Certified Aviation Services

Business Services

  • O'Donnell Metal Deck
  • United Design Partners
  • Elite Equipment Rental
  • Groome Industrial Holdings
  • Ironmark
  • Pinnacle Contracting Services
  • AGS Construction
  • Page Publishing Consortium
  • Tracked Lifts

Environmental Services

  • John To Go
  • ECS Environmental Solutions

Healthcare

  • Espire Dental

Manufacturing

  • Rohner Finishing Systems
  • Active Thermal Solutions
  • Artisan Bakery
  • H3 Manufacturing Group
  • Standard Iron
  • Le Sueur Incorporated
  • ICM Controls
  • Hickory Holdings

Transportation and Logistics

  • Diverse Logistics Holdings

Greymont’s take

How Ironwood Capital fits a seller

Ironwood rarely buys a company by itself. It suits an owner who wants to take money off the table or fund growth while keeping control, or an owner selling to a sponsor that needs a financing partner. Because it holds debt as well as equity, the company takes on interest payments, so steady cash flow matters more here than a bold growth story.

Recent deals show the usual shape: John To Go backed by Caldicot Capital, Rohner Finishing Systems by Hamilton Robinson and O'Donnell Metal Deck by Clarendon Capital, with Ironwood beside the lead buyer each time. In practice the party an owner negotiates with is often the sponsor rather than Ironwood. An owner should ask who will hold control after closing, how much debt the company will carry, and what happens to that debt if a bad year comes.

Questions owners ask

Does Ironwood Capital take control of a company?

No. Ironwood describes itself as a non-control investor. It provides subordinated debt and minority equity, and it usually invests beside a private equity fund, family office or independent sponsor that holds control.

Does Ironwood invest in waste and environmental services?

Yes, as a lender and minority investor rather than an owner. It lists waste and environmental services as a core vertical, and it backed Caldicot Capital's November 2023 purchase of John To Go, a portable toilet company, with subordinated debt and minority equity.

What size of company does Ironwood look for?

It targets companies with $20 million to $250 million or more of revenue and $4 million to $25 million or more of EBITDA, and it invests $10 million to $50 million per deal.

Has Ironwood sold any companies recently?

Yes. It announced its exit from Mid-West Textile in October 2026 when Greybull Stewardship bought the company. It also exited Uniloy in August 2025 and Air Temp Mechanical Services, sold to PremiStar, in January 2025.

Sources

  1. S1Ironwood Capital home page Accessed November 4, 2026
  2. S2Ironwood Capital: Strategy and Investment Criteria Accessed November 4, 2026
  3. S3Ironwood Capital: Portfolio Accessed November 4, 2026
  4. S4Ironwood Capital: News Accessed November 4, 2026
  5. S5Ironwood Capital Makes Investment to Broaden Environmental Services Vertical (November 15, 2023) Accessed November 4, 2026
  6. S6Ironwood Capital Exits Investment in Mid-West Textile (October 19, 2026) Accessed November 4, 2026
  7. S7Ironwood Capital 2025 Year In Review (January 19, 2026) Accessed November 4, 2026
  8. S8Four Capitalize On Corporate Independence, Hartford Courant reprint on Ironwood's site (October 1, 1991) Accessed November 4, 2026
  9. S9Ironwood Capital: About Accessed November 4, 2026
  10. S10Ironwood Recapitalizes its Investment in Boston Carting Services (July 1, 2022) Accessed November 4, 2026
  11. S11Ironwood Capital Announces Subordinated Debt and Equity Investments in Groome Industrial Holdings (March 28, 2024) Accessed November 4, 2026

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

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