LANCASTER, NY — June 17, 2025 —Sealing Devices Inc., a Western New York-based, veteran-owned leader in advanced sealing solutions, is proud to announce the renewal of its decades-long relationship with L3Harris Technologies (NYSE:LHX). This collaboration, spanning over 40 years, underscores Sealing Devices’ role as a key vendor in supporting critical defense initiatives.
Sealing Devices has been a key supplier to L3Harris, providing not only mission-critical components like EMI shielding, thermal management materials, gaskets, and O-rings but also light assembly services that extend the manufacturing capabilities of L3Harris. Sealing Devices ensures seamless integration of components that meet the defense sector’s rigorous performance standards.
“This agreement reaffirms the mutual commitment between Sealing Devices and L3Harris,” said Liz Galanis-Miller, President of Sealing Devices. “As an integral supplier, we are proud to collaborate with L3Harris in advancing innovative solutions that strengthen our nation’s defense capabilities. This continued relationship demonstrates our ability to consistently meet stringent military standards while providing tailored solutions that enhance operational efficiency and performance. Together, we embody the trust and reliability essential to the defense industry.”
Sealing Devices’ deep understanding of military and aerospace requirements, combined with their value-added services, positions them as a preferred partner for defense contractors seeking reliable suppliers who prioritize national security. The renewal of this agreement reinforces the shared commitment of both companies to innovation and excellence, ensuring mission success for defense operations worldwide.
About Sealing Devices
Sealing Devices is a premier manufacturer and distributor of gaskets, O-rings, EMI shielding, venting products, and custom-molded rubber parts. With locations in Buffalo, Rochester, NY; Erie, PA; and Melbourne, FL the company supports customers across North America with a focus on quality, service, and innovation.
Media Contact:
Jennifer Georger
jgeorger@sealingdevices.com
(716) 684-7600