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  7. Sealing Devices
Sealing Devices logo

Sealing Devices

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Lancaster, NY 14086
716-684-7600
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At a glance

Employee size
201-500
Organization type
Privately Held
Headquarters
Lancaster, NY
Founded
1963

About

Sealing Devices grew from Terry Galanis Sr.’s $157 home-based venture in Alden, New York, into a third-generation family-owned company serving critical applications. Founded in 1963, the Lancaster-based manufacturer supports customers with custom sealing work and related engineering guidance, while maintaining a 225,000-plus-square-foot manufacturing footprint and serving all 50 states and more than 20 countries. Its quality systems have been certified to ISO 9001:2015 and AS9100D.

Capabilities and markets

Products

Manufacturing processes

Materials worked

Service offerings

Economic activities

End markets served

Energy segments

BatteriesGrid Components

Directory supply chains

Classification

NAICS codes

Certifications and registrations

Certifications

  • ISO 9001:2015

  • AS9100D

  • ITAR Registration

    Registration

  • NIST 800-171 Compliance

    Compliance program

  • CMMC Level 2 Certification Pursuit

    Compliance program

  • NSF/ANSI/CAN 61

Related manufacturers

  • Sealing Specialists and Service Company logoSealing Specialists and Service CompanyFounded in 1976 by Tony Urso, Pittsburgh-area Sealing Specialists and Service Company has grown from a distributorship into a 25-employee manufacturing, repair and distribution center for industrial seals. The Glenshaw company produces custom seals and gaskets, distributes sealing products across the United States and Canada, and repairs pumps and hydraulic cylinders in-house. Its ISO 9001:2015 certification and planned 22,000-square-foot expansion reflect a business entering its fifth decade with the same focus on making seal sourcing faster and more practical for customers.GLENSHAW, PA
  • Sur-Seal logoSur-SealFounded in Cincinnati in 1965 as a family-owned business, Sur-Seal manufactures engineered components that solve sealing, insulation, thermal-management and protection challenges. Its custom-converting work ranges from precision gaskets to molded and extruded parts, supported by engineering services and a manufacturing network that now spans the United States, Mexico and China. Sur-Seal’s history includes making gaskets for the Apollo missions, while its combined operations now encompass more than 400,000 square feet and over 500 employees.CINCINNATI, OH
  • Allstate Gasket, Inc logoAllstate Gasket, IncFamily-owned and operated since 1989, Allstate Gasket manufactures and distributes sealing products for industrial and OEM customers from its Deer Park, New York facility. The company combines custom fabrication—including reverse engineering and CNC cutting—with stocking and delivery programs, and also supplies gasket and packing tools to professionals worldwide. Allstate Gasket maintains ISO 9001:2015 certification and makes gaskets in the USA from globally sourced materials.DEER PARK, NY
  • Seal & Design Inc logoSeal & Design IncWith more than 30 years in business, Seal & Design Inc. is a North American manufacturer and distributor known for helping industrial customers solve demanding sealing requirements. Its engineers develop custom gaskets for customers in fields such as automotive, rail and defense, supporting projects from design through delivery across four U.S. and Canadian locations. The company has maintained IATF 16949 certification since 2003 and is also ISO 9001:2015 certified.SYRACUSE, NY
More manufacturers in New York

Contact information

Website

sealingdevices.com

Phone numbers

  • 716-684-7600
  • 585-321-3511

Social

Locations

Sealing Devices location map for 4400 WALDEN AVE

4400 Walden Ave

Lancaster, NY 14086

Erie County

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Sealing Devices location map for 551 S APOLLO BLVD

551 S Apollo Blvd

Melbourne, FL 32901

Brevard County

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Sealing Devices location map for SHERWOOD OFFICE PK 6702 BUCKELY RD

Sherwood Office Pk 6702 Buckely Rd

North Syracuse, NY 13212

Onondaga County

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Sealing Devices location map for 4400 WALDEN AVE

4400 Walden Ave

Lancaster, NY 14043

Erie County

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Sealing Devices location map for 205 SUMMIT POINT DR

205 Summit Point Dr

Henrietta, NY 14467

Monroe County

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Directory source

Source
sealingdevices.com
Updated
Sep 2026