Qnnect (Arcline-backed) Acquires Hermetic Solutions Group from Windjammer

Windjammer Capital Investors Acquires Hermetic Solutions Group

March 14, 2019

Manufacturing

Windjammer Capital Investors has acquired Hermetic Solutions Group, LLC from ShoreView Industries; terms were not disclosed. Windjammer will partner with HSG management to support operational excellence, capacity expansion and a buy-and-build strategy to grow the hermetic microelectronics packaging platform.

Hermetic Solutions Group (Windjammer) Acquires FilConn, Inc.

September 1, 2021

Manufacturing

Hermetic Solutions Group (HSG), a Windjammer Capital portfolio company, has acquired FilConn, Inc., a manufacturer of high-reliability specialty connectors for aerospace, military, medical, transit and energy markets. The add-on expands HSG's Specialty Interconnect Solutions platform and broadens its engineered connector and EMP suppression product offering; terms were not disclosed.

Hermetic Solutions Group Acquires Cristek Interconnects

January 5, 2021

Aerospace & Defense

Hermetic Solutions Group (an operating company backed by Windjammer Capital) has acquired Cristek Interconnects, a manufacturer of specialty interconnect products and assemblies serving the defense and aerospace industries. The acquisition creates HSG's new Specialty Interconnect Solutions platform to expand its engineered components and microelectronic packaging capabilities; terms were not disclosed.

Arcline Acquires Custom Interconnects and Forms Qnnect

July 7, 2022

Manufacturing

Arcline Investment Management acquired Custom Interconnects LLC and consolidated it into a newly formed specialty interconnects platform, Qnnect LLC, which combines Custom Interconnects with Meritec and Joy Signal Technology. The move creates a focused platform for high-performance electronic interconnect solutions serving aerospace, defense, semiconductor and test & measurement markets.

QuantiTech Acquires Systems Engineering Group from Griffon Corporation

January 4, 2021

Aerospace & Defense

QuantiTech LLC, a portfolio company of Sagewind Capital, has acquired Systems Engineering Group, Inc. (SEG) from Griffon Corporation. The acquisition strengthens QuantiTech's threat engineering, modeling & simulation, and missile defense capabilities to better serve U.S. government customers in missile defense, hypersonics and intelligence markets.

Arcline Investment Management Acquires Altronic, LLC from HOERBIGER Group

December 9, 2025

Manufacturing

Arcline Investment Management, a growth-oriented private equity firm, has acquired Altronic, LLC from the HOERBIGER Group. Altronic, a Girard, Ohio-based maker of advanced ignition, control and instrumentation systems for critical infrastructure and OEMs, will be positioned to pursue growth with Arcline's capital and portfolio synergies.