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NSI Industries

Verified

Platform

NSI Industries logo
US Website
ElectricalHvacOtherRefrigeration

Manufacturer and product solutions provider of electrical, HVAC, and refrigeration components, acting as a platform for acquisitions.

Headquarters: US (outside the US map).

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 NSI IndustriesDivestedDivestedDivestedDivestedDivestedPart OfPart OfPart Ofbacked bybacked bybacked bybacked bybacked bybacked bybacked bybacked bymerged withparent ofparent ofparent ofrolled up intorolled up intorolled up intorolled up intorolled up intorolled up intorolled up intorolled up intorolled up intoA1 Garage: Operating CompanyA1 GarageAlliance Environmental Group Inc.: PlatformAlliance Environmenta…Allied Air Enterprises Inc.: Operating CompanyAAAllied Air Enterprise…Arpi's Industries: Operating CompanyArpi's IndustriesAudax Group: Pe FirmAGAudax GroupBlackstone: Pe FirmBlackstoneCarrier: PlatformCarrierChampions Group: PlatformCGChampions GroupClimate Technology Corp. (CTC): Operating CompanyCTClimate Technology Co…CoolSys: PlatformCoolSysDistribution International Inc.: PlatformDIDistribution Internat…Duro Dyne Corp.: Operating CompanyDuro Dyne Corp.HVAC Division: Operating CompanyHDHVAC DivisionHeat Controller Inc.: PlatformHCHeat Controller Inc.IPS: PlatformIPIPSKysor/Warren: Operating CompanyKWKysor/WarrenLennox International: StrategicLILennox InternationalMetallics: Operating CompanyMEMetallicsNSI Industries: PlatformNSI IndustriesNational Appliance Parts Co. Inc.: Operating CompanyNANational Appliance Pa…Odyssey Investment Partners: Pe FirmOIOdyssey Investment Pa…PremiStar: PlatformPremiStarSUPCO: Operating CompanySUPCOSealed Unit Parts Co. Inc.: PlatformSUSealed Unit Parts Co.…Sealed Unit Parts Co. Inc. (SUPCO): Operating CompanySealed Unit Parts Co.…Sentinel Capital Partners: Pe FirmSCSentinel Capital Part…Service Experts: PlatformSEService ExpertsSmart Care: PlatformSmart CareSmart Care Equipment Solutions: PlatformSmart Care Equipment …Zephyr Components Inc.: Operating CompanyZCZephyr Components Inc.
Operating CompanyPe FirmPlatformStrategic

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 timeline202120222021 · Add-on acquisition → Duro Dyne Corp. (verified)2022 · Add-on acquisition → Metallics (verified)2022 · Add-on acquisition → Sealed Unit Parts Co. Inc. (SUPCO) (verified)2022 · Add-on acquisition → SUPCO (verified)
4 recorded deals, 2021–2022verifiedunverified

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: no recorded acquired companies Connecticut: 1 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: no recorded 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: 2 acquired companies New Mexico: no recorded acquired companies Nevada: no recorded acquired companies New York: 1 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. New Jersey 2
  2. 2. Connecticut 1
  3. 3. New York 1
1–4 5–14 15–39 40–79 80+ no recorded acquired companies
Where the brands NSI Industries acquired are headquartered, by US state. A count of targets, not a market-share claim.

Deals

Majority stake Aug 2025
Verified

Lennox to acquire HVAC division of NSI Industries from Sentinel Capital Partners for ~$550M

Lennox International → NSI Industries
$550M reported total consideration · approximateas reported by contractingbusiness.com
Exit Oct 2025

Sentinel Capital sells NSI Industries' HVAC division to Lennox for $550M

Lennox International → NSI Industries
$550M reported total considerationas reported by hvacinsider.com
Add-on acquisition Nov 2021
Verified

NSI Industries acquires Duro Dyne Corp.

NSI Industries → Duro Dyne Corp.
Add-on acquisition Mar 2022
Verified

NSI Industries acquires fastener maker Metallics

NSI Industries → Metallics
Add-on acquisition Aug 2022
Verified

NSI Industries acquires HVACR parts maker SUPCO

NSI Industries → Sealed Unit Parts Co. Inc. (SUPCO)
Add-on acquisition Aug 2022
Verified

NSI Industries acquires SUPCO (Sealed Unit Parts Co.)

NSI Industries → SUPCO