Superior Products, Innovative Solutions, Exceptional Service

1963

Terry Galanis, Sr., launched Sealing Devices from his home in Alden, New York, with an investment of $157 in Parker O-Rings. His wife, Marian, would answer the phone, and his children would count and bag O-rings. Terry’s vision was to provide customers with quality parts, reliable service, and fair prices.

1966

The company moved to an old battery manufacturing plant on Neoga Street in Depew, New York, to keep up with expanding business volume. Terry sold products by day and worked on quotes and paperwork by night while Marian took care of invoices, billing materials, and other office functions.

1968

Continuous growth sparked the company’s next move to Lancaster, New York, with the purchase of a 7,500 sq. ft. building at 4375 Walden Ave.

1969

Sealing Devices began die-cutting. Five years later, the first mass die-cutting machine was purchased.

1970

As geographical growth expanded, an Erie, Pennsylvania sales branch was added.

1972

Sealing Devices topped $1 million in total sales, and Terry Galanis, Jr., joined the company. His first initiative was to expand to Syracuse and open our third office.

1977

Sealing Devices reached $3.5 million in sales and outgrew its existing space yet again. Terry, Jr., returned to the WNY area, and the Galanis Family purchased six acres of land across the street, which is now the site of the corporate headquarters at 4400 Walden Ave. The new $1.3 million, 34,000 sq. ft. building included office space and state-of-the-art fabrication and distribution space.

1980

The newest branch of Sealing Devices opened in Rochester, NY. The new space included a sales office and warehouse to accommodate the growing business from Rochester’s Eastman Kodak Corporation.

1983

Terry Galanis, Jr., was appointed President and Chief Operating Officer at the young age of 36. Under his leadership, the company would grow substantially, from $7 million to nearly $90 million.

1986

After sales climbed to $12 million, the plant at 4375 Walden was refurbished, allowing the staff to have more space between both locations. Two years later, a partnership with Chomerics launched Sealing Devices into a new market space focused on electronics.

1993-97

Sales surpassed $17 million, and a 28,000 sq. ft. addition was made to the 4400 Walden location to expand capabilities and product lines. In 1997, Sealing Devices' Quality Management System was formalized and registered to ISO9001.

2000

Sales exceeded $36.5 million, and Sealing Devices purchased the adjacent five-acre property at 4380 Walden Ave. An ambitious 40,000 sq. ft. expansion of combined office, meeting, and manufacturing areas was completed in 2002. Some key customers propelled the growth we would see in the next ten years.

2005

Sealing Devices added rubber molding and form-in-place gasketing to its manufacturing capabilities, broadening our product and capability offerings to our customers.

2006

Terry, Jr.’s daughter, Elizabeth, joined the company and began to follow in her father’s footsteps. From working in the plant to customer service and then sales and marketing, she continued to grow her corporate knowledge to take the company to the next level. Sales reached $39.4 million.

2007

25,000 sq. ft. of plant and office space was added, and additional property nearby was acquired to expand the manufacturing campus to four buildings.

2009

To meet the needs of our growing customer base in the aerospace industry, Sealing Devices Quality Management System was registered to the AS9100 Standard. The upgrade propels the company’s focus on the aviation, space, and defense industries, allowing it to adhere to the stringent quality and safety regulations.

2015

Sales grew to $59.5 million, and the company added 25,000 sq. ft. of manufacturing space to support the growing business.

2020

After 102 wonderful years of life, Terry Galanis, Sr., the founder of the company, passed away. At this time, he grew the company from 1 to 197 employees. He will be remembered for building a company from the ground up, exhibiting strong leadership, and creating an environment where people look forward to coming to work every day.

2021

Sealing Devices opened an office in Melbourne, FL, to support the growing customer base in the Space Coast, best known for being the home to leading aerospace and defense companies.

2022

Elizabeth Galanis was promoted to President and COO in 2022 to continue the growth and legacy of the Galanis family business. The company set a record of $89.5 million in sales this year.

Present Day (2023)

Sealing Devices celebrated its 60th anniversary. Today, we continue to focus on our mission to provide our customers and business partners with superior products, innovative solutions, and exceptional service.