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PremiStar

Verified

Platform

Deerfield, IL, US Founded 1930 2,800+ employees Website
Hvac

Formerly Reedy Industries; commercial-focused; 8,000+ customers across 17 states. Partners Group acquired July 2021 (~$1B EV); Audax retained minority.

Headquarters

US hq by state Alaska: no recorded hq Alabama: no recorded hq Arkansas: no recorded hq Arizona: no recorded hq California: no recorded hq Colorado: no recorded hq Connecticut: no recorded hq District of Columbia: no recorded hq Delaware: no recorded hq Florida: no recorded hq Georgia: no recorded hq Hawaii: no recorded hq Iowa: no recorded hq Idaho: no recorded hq Illinois: 1 hq Indiana: no recorded hq Kansas: no recorded hq Kentucky: no recorded hq Louisiana: no recorded hq Massachusetts: no recorded hq Maryland: no recorded hq Maine: no recorded hq Michigan: no recorded hq Minnesota: no recorded hq Missouri: no recorded hq Mississippi: no recorded hq Montana: no recorded hq North Carolina: no recorded hq North Dakota: no recorded hq Nebraska: no recorded hq New Hampshire: no recorded hq New Jersey: no recorded hq New Mexico: no recorded hq Nevada: no recorded hq New York: no recorded hq Ohio: no recorded hq Oklahoma: no recorded hq Oregon: no recorded hq Pennsylvania: no recorded hq Rhode Island: no recorded hq South Carolina: no recorded hq South Dakota: no recorded hq Tennessee: no recorded hq Texas: no recorded hq Utah: no recorded hq Virginia: no recorded hq Vermont: no recorded hq Washington: no recorded hq Wisconsin: no recorded hq West Virginia: no recorded hq Wyoming: no recorded hq
Headquarters: Deerfield, IL, US.

Ownership map

Ownership links are documented, evidence-gated edges, shown as reported by their sources. Naming a company is not an accusation against it. See our methodology and legal notes.

Ownership map for PremiStarDivestedFormerly Known Asbacked bybacked byparent ofparent ofrolled up intorolled up intorolled up intorolled up intoAmerican Refrigeration Company: PlatformARAmerican Refrigeratio…Armacell: PlatformARArmacellAudax Private Equity: Pe FirmAudax Private EquityBear Mountain Mechanical: Operating CompanyBMBear Mountain Mechani…Borg Mechanical Contractors Inc.: Operating CompanyBMBorg Mechanical Contr…CMS: PlatformCMCMSChoice Mechanical: Operating CompanyChoice MechanicalColorado Mechanical Systems: Operating CompanyColorado Mechanical S…CoolSys: PlatformCoolSysCoolSys (formerly Source Refrigeration & HVAC): PlatformCFCoolSys (formerly Sou…Distribution International Inc.: PlatformDIDistribution Internat…DiversiTech: PlatformDIDiversiTechEncom: Operating CompanyEncomEntek Solutions: Operating CompanyESEntek SolutionsGlobal Mechanical Services: Operating CompanyGMGlobal Mechanical Ser…Hays Service: Operating CompanyHays ServiceLippert Mechanical: PlatformLMLippert MechanicalMercury Mechanical: Operating CompanyMMMercury MechanicalPartners Group: Pe FirmPGPartners GroupPremiStar: PlatformPRPremiStarRC Mechanical Services Corp.: Operating CompanyRMRC Mechanical Service…Reedy Industries: PlatformRIReedy IndustriesRensa Filtration: PlatformRFRensa FiltrationSmart Care Equipment Solutions: PlatformSCSmart Care Equipment …Source Refrigeration & HVAC: PlatformSRSource Refrigeration …Thermogenics Inc.: PlatformTIThermogenics Inc.Vorpagel Service Inc.: Operating CompanyVSVorpagel Service Inc.
Operating CompanyPe FirmPlatform

Ownership

Ownership links are documented, evidence-gated edges, shown as reported by their sources. A verified mark denotes an independently corroborated edge; links shown as reported are drawn as their sources record them and are not independently corroborated. Naming a company is not an accusation against it. See our methodology and legal notes.

Market signals

Acquisition history

Acquisition timeline2022202320242022 · Add-on acquisition → Global Mechanical Services2024 · Add-on acquisition → Colorado Mechanical Systems2024 · Add-on acquisition → Encom2024 · Add-on acquisition → Mercury Mechanical
4 recorded deals, 2022–2024verifiedunverified

Acquisition footprint

US acquired companies by state Alaska: no recorded acquired companies Alabama: no recorded acquired companies Arkansas: no recorded acquired companies Arizona: no recorded acquired companies California: no recorded acquired companies Colorado: 1 acquired companies Connecticut: no recorded acquired companies District of Columbia: no recorded acquired companies Delaware: no recorded acquired companies Florida: no recorded acquired companies Georgia: no recorded acquired companies Hawaii: no recorded acquired companies Iowa: 1 acquired companies Idaho: no recorded acquired companies Illinois: no recorded acquired companies Indiana: no recorded acquired companies Kansas: no recorded acquired companies Kentucky: no recorded acquired companies Louisiana: no recorded acquired companies Massachusetts: no recorded acquired companies Maryland: no recorded acquired companies Maine: no recorded acquired companies Michigan: no recorded acquired companies Minnesota: no recorded acquired companies Missouri: no recorded acquired companies Mississippi: no recorded acquired companies Montana: no recorded acquired companies North Carolina: no recorded acquired companies North Dakota: no recorded acquired companies Nebraska: no recorded acquired companies New Hampshire: no recorded acquired companies New Jersey: no recorded acquired companies New Mexico: no recorded acquired companies Nevada: no recorded acquired companies New York: no recorded acquired companies Ohio: no recorded acquired companies Oklahoma: no recorded acquired companies Oregon: no recorded acquired companies Pennsylvania: no recorded acquired companies Rhode Island: no recorded acquired companies South Carolina: no recorded acquired companies South Dakota: no recorded acquired companies Tennessee: no recorded acquired companies Texas: no recorded acquired companies Utah: no recorded acquired companies Virginia: no recorded acquired companies Vermont: no recorded acquired companies Washington: no recorded acquired companies Wisconsin: no recorded acquired companies West Virginia: no recorded acquired companies Wyoming: no recorded acquired companies
  1. 1. Colorado 1
  2. 2. Iowa 1
1–4 5–14 15–39 40–79 80+ no recorded acquired companies
Where the brands PremiStar acquired are headquartered, by US state. A count of targets, not a market-share claim.

Deals

Recapitalization Jul 2021
Verified

Partners Group acquires Reedy Industries (now PremiStar)

Partners Group → PremiStar
$1B reported
Recapitalization Jan 2017
Verified

Audax Private Equity recapitalizes Reedy Industries (now PremiStar)

Audax Private Equity → PremiStar
Add-on acquisition Jan 2024

PremiStar acquires Bear Mountain Mechanical in Colorado

PremiStar → Colorado Mechanical Systems
Add-on acquisition Jan 2024

PremiStar acquires Entek Solutions and Encom

PremiStar → Encom
Add-on acquisition Aug 2022

PremiStar acquires Mechanical Service Inc. (Iowa)

PremiStar → Global Mechanical Services
Add-on acquisition Feb 2024

PremiStar acquires Mercury Mechanical

PremiStar → Mercury Mechanical

Related news

  • PKF Investment Banking Closes Sale of Armistead Mechanical, Inc. to PremiStar, LLCVerified
    prnewswire.com· Apr 22, 2026

    PKF Investment Banking announced the sale of Armistead Mechanical, Inc. to PremiStar, LLC, a portfolio company of Partners Group USA Corporation. Armistead Mechanical provides mechanical construction and contracting services in the New Jersey/New York area. PremiStar operates 61 commercial HVAC, building automation, and plumbing branches across 18 states.

  • PremiStar News & EventsVerified
    premistar.com· Apr 21, 2026

    The article announces multiple partnerships and acquisitions by PremiStar, including Armistead Mechanical (April 2026), McCormick Allum partnering with Air Temp Mechanical (February 2026), Smith's Refrigeration (October 2025), Rabe Environmental Systems (July 2025), Farmer & Irwin (July 2025), B.T. Lindsay & Co. partnering with Air Temp Mechanical (June 2025), the HVAC services division of Dahme Mechanical Industries (March 2025), Air Temp Mechanical (January 2025), Trademark Mechanical (January 2025), and Chadwick Service Company (December 2024). These moves expand PremiStar's capabilities across multiple states and sectors.

  • Smith's Refrigeration acquired by PremiStar, a portfolio company of Partners Group - Copper Run CapitalVerified
    copperruncap.com· Nov 20, 2025

    Smith's Refrigeration has been acquired by PremiStar, a portfolio company of Partners Group. The deal was attractive to the Smith brothers due to alignment in innovation and dedication to customers and employees. Smith's Refrigeration looks forward to continued growth in the Carolinas as part of the PremiStar family.

  • Reedy Industries Rebrands as PremiStarVerified
    premistar.suite.accessnewswire.com· Jul 11, 2022

    Reedy Industries rebranded as PremiStar, a national HVAC, plumbing, and building automation services provider, on July 11, 2022. The rebranding reflects a people-first strategy focused on workforce recruitment, training, and technology. CEO Joe Kirmser noted the company completed 19 new affiliations since 2019 and partnered with Partners Group in 2021 to expand into new markets.

  • Reedy Industries Rebrands as PremiStarVerified
    newswire.com· Jul 11, 2022

    Reedy Industries has rebranded as PremiStar, as announced in a July 11, 2022 press release. The article quotes CEO Joe Kirmser on the company's People-First culture and its focus on workforce development, ESG initiatives, and supporting HVAC, building automation, and plumbing service partners. It notes that Kirmser has overseen 19 new company affiliations and revenue growth of over 250%, and that in 2021 the company partnered with Partners Group for investment and expansion.

  • Partners Group has signed a definitive agreement to acquire Reedy Industries, a leading provider of commercial HVAC servicesVerified
    partnersgroup.com· Jul 27, 2021

    Partners Group has signed a definitive agreement to acquire Reedy Industries, a leading commercial HVAC services provider, from Audax Private Equity. The Reedy family, management, and Audax will remain minority investors. The transaction is expected to close in the third quarter of 2021.

  • Partners Group has signed a definitive agreement to acquire Reedy IndustriesVerified
    partnersgroup.com· Jul 27, 2021

    Partners Group has signed a definitive agreement to acquire Reedy Industries, a commercial HVAC services provider, from Audax Private Equity. The Reedy family, management, and Audax will remain minority investors. The transaction is expected to close in the third quarter of 2021.

  • Partners Group to acquire Reedy IndustriesVerified
    privateequitywire.co.uk· Jul 14, 2021

    Partners Group has agreed to acquire Reedy Industries, a US-based HVAC service provider, from Audax Private Equity. The Reedy family, management, and Audax will remain minority investors. The transaction is expected to close in the third quarter of 2021. Partners Group plans to support Reedy's growth through geographic expansion, strategic accounts, and sustainability initiatives.

  • Professional Pipe - MelCap Partners TransactionVerified
    melcap.com

    Professional Pipe, a provider of process piping and mechanical services, was sold to PremiStar (formerly Reedy Industries), a portfolio company of Partners Group. The acquisition is part of PremiStar's strategic initiative to expand its core service offering into process piping, particularly outside HVAC and plumbing, and provides cross-selling opportunities. MelCap Partners served as the exclusive investment banker and financial advisor to Pro Pipe and KJM Capital in the transaction.

  • PKF Investment Banking Closes Sale of Armistead Mechanical, Inc. to PremiStar, LLCVerified
    pkfod.com

    PKF Investment Banking announced the sale of Armistead Mechanical, Inc. to PremiStar, LLC, a portfolio company of Partners Group USA Corporation. Armistead Mechanical provides mechanical construction and contracting services in the New Jersey/New York area. PremiStar operates 61 commercial HVAC, building automation and plumbing branches across 18 states.

  • Fifteen Midwest Commercial HVAC Companies Rebrand as PremiStarVerified
    premistar.com

    The article announces that fifteen Midwest commercial HVAC companies have rebranded as PremiStar. CEO Joe Kirmser notes that the company has acquired, invested in, and developed 33 companies nationwide, and that combining these 15 Midwest companies under the PremiStar brand made sense. The article also mentions that in 2021, PremiStar joined forces with Partners Group to strengthen its competitive advantage and expand into new markets.

  • Partners Group to Buy HVAC Firm Reedy at $1 Billion ValueVerified
    bloomberg.com

    Partners Group Holding AG is acquiring commercial HVAC-services provider Reedy Industries from Audax Private Equity in a deal that values the target at roughly $1 billion. Audax will remain a minority investor in the business, as will the Reedy family and management. The transaction is expected to be completed in the third quarter.