ZāGO Manufacturing Company
ZAGO
Web Seal Inc.
Vanguard Products Corporation
R.DYSCAR
NOK CORPORATION
NBK America LLC
Kramp Groep
Kelco Industries
Hutchinson Paulstra
Heyco Products
Gaynor Gasket & Seal

19 Sealing Washer Manufacturers in 2024

This section provides an overview for sealing washers as well as their applications and principles. Also, please take a look at the list of 19 sealing washer manufacturers and their company rankings. Here are the top-ranked sealing washer companies as of March, 2024: 1.Kelco Industries, 2.APM Hexseal Corp., 3.Aero Rubber Company, Inc.

Table of Contents

List of 19 Sealing Washer Manufacturers

*Including some distributors, etc.

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  • United States of America
  • Spain
    • Kelco Industries
      • United States of America Address: 1425 Lake Avenue, Woodstock, Illinois, United States of America

      Manufacturer Overview

      Kelco Industries, founded in 1905 and based in Woodstock, Illinois, USA, is a manufacturer and supplier of custom components for industrial equipment and unique assembly challenges. Its offerings include electromechanical components, seals and sealing elements, and flexible metal solutions. Some of its products are flight control grips, solenoids, and injection molded plastic components. The company maintains strict standards and is certified as being in conformance with NSF-ISR ISO1 14001:2015, and NSF-ISR AS9100D with ISO9001:2015 certifications.

    • NBK America LLC
      • United States of America Address: 307 East Church Road, Suite 7, King of Prussia, Pennsylvania, United States of America

      Manufacturer Overview

      NBK America LLC, founded in 2015 and based in King of Prussia, Pennsylvania, is an American manufacturer and a subsidiary of Japan's Nabeya Bi-tech Kaisha, specializing in mechanical components. Their product range includes couplings, like miniature shaft couplings for precision machine tools and semiconductor manufacturing equipment, special screws, such as vacuum application screws and other machine components. NBK offers finite automaton (FA) solutions, including wireless positioning units for production lines and setup operations. NBK provides machine component servicing, such as vibration resistance treatment and laser engraving. Services for couplings and special screws include coupling stainless steel screw alteration and screw length adjustment.

    • APM Hexseal Corp.
      • United States of America Address: 44 Honeck Street, Englewood, New Jersey, United States of America

      Manufacturer Overview

      APM HEXEAL, founded in 1947 by Riva Solins Morse and Milton Morse is based in New Jersey, USA, as a designer and manufacturer of sealing products for commercial and industrial applications. The company offers a wide range of products, including sealing boots and bushings, toggle boots, and pushbuttons that are used by companies to tighten components together to prevent essential fluids from escaping. These sealing products are used in various industries such as aerospace, automotive, marine, robotics, and more.

    • Gaynor Gasket & Seal
      • United States of America Address: 50 Shepard St, Lawrence, Massachusetts, United States of America

      Manufacturer Overview

      Gaynor Industries, Inc. was founded in 1954 in Lawrence, Massachusetts, United States as a manufacturer and supplier of sealing fasteners. The company's products are marketed under the brands BarTite, BarClad, and BarPad. Its product portfolio comprises high-pressure self-sealing washers, low-torque sealing washers, cushioning sealing washers, and self-sealing nuts. The company accommodates requests for custom-made seals based on customer specifications. Gaynor Industries' manufacturing system and management adhere to RoHS and DFARS standards, and the company is registered under ITAR regulations.

    • Aero Rubber Company, Inc
      • United States of America Address: 8100 W. 185th Street Tinley Park, Illinois, United States of America

      Manufacturer Overview

      Aero Rubber Company began in 1973 and is a family-run business based in Tinley Park, Illinois. Aero Rubbery Company is a custom manufacturer of rubber components such as tubing, sheeting, seals, and gaskets. Aero also offers fabrication services including die cutting, water-jet and lathe cutting, slitting, and vulcanized splicing. Aero Rubber is an ISO 9001:2015 certified company. Aero Rubber manufacturers use materials such as Viton, Neoprene, EPDM, silicone, and rubber materials. Aero Rubber manufacturing includes molded parts such as gaskets, extruded parts, sheeting, fabricated parts, and mandrel-made parts. Value-added capabilities are also offered.

    • Vanguard Products Corporation
      • United States of America Address: 87 Newtown Road, Danbury, Connecticut, United States of America

      Manufacturer Overview

      Vanguard Products Corporation is headquartered in Danbury Connecticut. The company is an ISO 9001:2015 certified full-service manufacturing and engineering company providing the industry with precision elastomeric fabricated goods, producing all custom and standard goods in the United States. The company offers custom rubber and silicone products, as well as standard products including food-grade silicone tubing, rubber tubing, and fabricated EMI and RFI shielding products. The company also offers a materials configurator for customers to design with their own materials based on preference for qualities and resistance to various elements.

    • Web Seal Inc.
      • United States of America Address: 15 Oregon Street Rochester, New York, United States of America

      Company Overview

      Web Seal Inc. was founded in 1960 and is headquartered in Rochester, New York. Web Seal is a manufacturer and distributor of custom sealing solutions for business and industries including agricultural equipment, electronics & lighting, filtration, food processing, life sciences, pumps, waster & wastewater treatment, and government contracting. Web Seal’s product lines include custom gaskets & die cuts, O-rings & backup rings, hydraulic & pneumatic seals, custom molded seals, EMI & RFI shielding, thermal management, and related sealing products. Custom services include color coding, kitting and assembly, supply chain management, and custom packaging.

    • Bolt Products Inc.
      • United States of America Address: 450 S. San Dimas Ave., San Dimas, California, United States of America

      Company Overview

      Bolt Products Inc. was established in 1947 and operates out of San Dimas, California. Bolt Products is a wholesale distributor of fastening tools both domestically and internationally and is ISO 9001:2015 certified as well as RoHS and WEEE compliant. Bolt Products offers many types of products including bolts and plastic fasteners, nuts, lug nuts, nut retainers, cap nuts, bushings, plugs, ball studs, brass inserts, stud receivers, cable ties, cordgrips, liquid-tight flexible conduits, marking systems, and clips.

    • Allied Metrics Seals & Fasteners, Inc.
      • United States of America Address: 14700 Tamiami Trail North | Unit 12. Naples, Florida, United States of America

      Company Overview

      Allied Metrics was founded in the 1990s and is headquartered in Naples, Florida. The ISO 9001:2015-certified company is a full-service manufacturer and distributor of hydraulic seals, oil seals, and pneumatic seals. The company’s product offerings include O-rings, seals, V-rings & V-ring seals, X-rings & square rings, and wear bands & guide rings. The company’s service offerings include on-demand delivery with short cycle times, custom-designing to customer specifications, prototype parts, and emergency repairs.

    • Custom Gasket Manufacturing
      • United States of America Address: 640 E Palisade Avenue, Englewood Cliffs, New Jersey, United States of America

      Company Overview

      Custom Gasket Manufacturing is based in Englewood Cliffs, New Jersey. Custom Gasket serves several industries such as power generation, lighting, transportation, water & air filtration, food processing, pump & valve, electronics, cryogenic equipment, oil & gas, construction, agriculture, pharmaceutical, pulp & paper, HVAC, as well as others including OEMs. Custom Gasket Manufacturing produces many types of custom products including rubber elbows, rubber diaphragms, insulators, seals, extrusions, and as per their namesake, gaskets. Custom Gasket also offers rubber extrusion, die cutting, rubber molding, water jet cutting, laser cutting, and flash cutting services.

    • Heyco Products

      Manufacturer Overview

      Heyco Products, founded in 1926 and headquartered in Toms River, New Jersey, is a manufacturer and designer of molded wire protection products and stamped electrical components. The company provides a diverse range of products, such as top rail clips, liquid-tight cord grips, and strain relief bushings. Additionally, it offers services including prompt product delivery, maintenance and repair assistance, and warranties. These products are applied in various industries, including nuclear power, electrical appliances, and construction.

    • Hutchinson Paulstra

      Manufacturer Overview

      Hutchinson Paulstra is a manufacturer of anti-vibration and acoustic products established in 1934 and is based in Paris, France. It manufactures various products, including elastomer mounts, metal mounts, flexible bushes, flexible coupling, and dynamic sealing. The company is a subsidiary of TotalEnergies and has acquired several certifications, such as ISO 9001, ISO 14001, and EN 9100. Its manufactured products are catered to the automotive, rail, aerospace, marine, and offshore sectors across Germany, the UK, France, and Spain.

    • Kramp Groep

      Manufacturer Overview

      Kramp Groep, established in 1951 and located in Gelderland, Netherlands, is a manufacturer that specializes in spare parts and accessories for the agricultural industry. The company offers a range of products, including spare parts for agriculture, forest and grass care, earthmoving, and road construction. It also offers batteries and accessories. Its product increases nerve-muscle communication, lifts energy levels, and reloads with electrolytes as well as up to 84 trace minerals. It serves a diverse range of industries, including agriculture, landscaping, forestry, civil engineering, and mechanical engineering.

    • ZAGO

      Manufacturer Overview

      ZAGO is a manufacturer of sealing fasteners established in 1993 and based in Newark, New Jersey, USA. The company primarily produces specialized fasteners designed to form a 360-degree seal for preventing fluids, gasses, or contaminants from leaking into or out of equipment. These include seal bolts or screws, switch boots that cover buttons or circuit breakers, and nuts. The company also offers custom product engineering, fabrication, and testing services for its clients with unique projects. It chiefly serves customers in the military, aerospace, and offshore renewable energy sectors.

    • NOK CORPORATION

      Company Overview

      Nok Corporation, founded in 1941 and based in Tokyo, Japan, is a manufacturer of several products, including sealing, rubber, and electronic products, and is part of the NOK Group. The company also makes flexible printed circuits (FPC), office automation equipment, and functional membranes, serving industries such as automobile, construction machinery, and electronic equipment. In 1960, the company expanded its production by constructing plants in Kumamoto, Fujisawa, and Shizuoka, and it was listed on the Tokyo Stock Exchange in 1961. In 1979, it was the first to set up a production base in the US before any Japanese automaker.

    • Aspen Fasteners Inc.

      Company Overview

      Aspen Fasteners was founded in 1961 and headquartered in Las Vegas, Nevada. Aspen Fasteners is a distributor for industrial fasters. Aspen Fasteners offers an extensive line in both metric and inch standards of anchors, bolts, nuts, screws, washers, rings, pins, pipe plugs, rivets, inserts, rods, studs, spacers, standoffs, panel fasteners, and tools including adapters, drivers anchor setting tools, keys, measuring tools, screwdriver insert bits, and screwdriver power bits. Material types include aluminum, brass, copper, iron, lead alloy, monel nickel copper alloy, nylon, phosphor bronze, plastic, silicon bronze, stainless steel, steel, and zinc.

    • Anamet Canada Inc.

      Company Overview

      ANAMET Canada was founded in is based in Frankford, Ontario as the Canadian division of ANAMET Inc. founded in 1908 in Illinois. The company is a manufacturer and distributor of conduits and fittings commonly used in infrastructure, pharmaceutical, factory automation, and mining industries. Beyond conduits and fittings, the company also manufactures ANA-Quick Nylon, FIRETECH Thermal Protection, and cable glands designed to protect cables and ease the process of connecting cables with asymmetric diameters.

    • R.DYSCAR
      • Spain Address: C. Juan Ramón Jiménez, 10, 28860 Paracuellos de Jarama, Madrid, Spain

      Company Overview

      Romero Dyscar is a company dedicated to the manufacture, distribution, import and export of products that ensure the Fixation, Closing and Sealing in all of the industry areas. That was an idea that we had clear from the beginning, almost 30 years ago. As it was also to have professionals who treasure a wide knowledge of the different ranges of products and services that shape our activity. The very evolution of our work led us to project efforts in several divisions: Chemicals, Washers, Rubber, Kits, Projects and Air Conditioning. This differentiation has allowed us to grow in each one of them in a more effective way but at the same time the clients have benefited from being able to offer them a range of more complete and complementary products. We were clear from the beginning that we should offer products for small and large series. This has allowed us to provide ourselves with great maneuverability and to be able to serve from huge quantities to small ones and from simple and standardized pieces to the ones which are the most complicated and out of measure.

Sealing Washer Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the sealing washer page as of March 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

Newly Established Company

  1. NBK America LLC: 2015 (9 years ago)
  2. Kelco Industries: 1965 (59 years ago)
  3. Bolt Products Inc.: 1947 (77 years ago)

Company with a History

  1. Bolt Products Inc.: 1947 (77 years ago)
  2. APM Hexseal Corp.: 1947 (77 years ago)
  3. Kelco Industries: 1965 (59 years ago)

Sealing Washer Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Sealing Washer Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 11 91.7%
Spain Spain 1 8.3%

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