NSI Industries Acquires Duro Dyne Corp.

Lennox International Acquires NSI Industries' HVAC Division (Duro Dyne & Supco)

October 19, 2025

Manufacturing

Lennox International completed the acquisition of NSI Industries' HVAC division, including the Duro Dyne and Supco brands, expanding its HVAC parts and supplies portfolio. The divestiture—announced by Sentinel Capital Partners—enables NSI to refocus on its core electrical products business while strengthening Lennox’s lifecycle offerings for residential and commercial customers.

NSI Industries Acquires Lynn Electronics

June 20, 2022

Telecommunications

NSI Industries, a provider of electrical, HVAC and network infrastructure product solutions, has acquired Lynn Electronics, a manufacturer of custom fiber optic and copper assemblies based in Ivyland, Pennsylvania. The purchase expands NSI's network infrastructure/catalog connectivity offerings and strengthens its position in the data center, broadband and AV markets.

NSI Industries Acquires Metallics

March 9, 2022

Manufacturing

NSI Industries, a provider of electrical product solutions based in Huntersville, North Carolina, acquired Metallics, a Bristol, Connecticut manufacturer and supplier of fasteners and related supplies, in a deal announced March 9, 2022. The acquisition adds Metallics' fastener product line and manufacturing capability to NSI's portfolio and supports further inroads into the electrical, HVAC, and network infrastructure markets; the seller is identified as the Mola family.

Nederman Acquires Duroair Technologies Inc

August 30, 2024

Manufacturing

Sweden-based environmental technology company Nederman has acquired Canadian air-filtration manufacturer Duroair Technologies Inc to strengthen its Extraction & Filtration Technology division in the US and Canada. The deal implies an enterprise value of approximately CAD 11 million with a potential earn-out of up to CAD 4 million; Duroair (headquartered in Niagara Falls, Ontario) will continue to operate under its brand and has about 10 employees.

Odyssey Investment Partners Acquires NSi Industries

March 2, 2020

Manufacturing

An affiliate of Odyssey Investment Partners has acquired NSi Industries from Blue Sea Capital LLC; financial terms were not disclosed. NSi, a Huntsville, North Carolina–headquartered supplier of electrical connectors, fittings, controls and wire-management products, will be led by its existing management team which invested in the transaction and will continue to operate the business under Odyssey's ownership.

Hyperion Materials & Technologies Acquires Dura-Metal Products Corporation

May 18, 2023

Manufacturing

Hyperion Materials & Technologies announced an agreement to acquire Dura-Metal Products Corporation, a Pennsylvania-based manufacturer of wear- and corrosion-resistant precision tools and components. Dura-Metal will join Hyperion’s Precision Solutions business unit to expand the platform’s large-component machining, grinding, EDM and finishing capabilities for end markets including aerospace, energy and medical.