Freudenberg-NOK Sealing Technologies

Company Profile



47690 East Anchor Court Plymouth, MI, 48170, USA

Business Overview

-The Company manufactures elastomeric seals and custom molded products serving most major markets, from automotive OEMs to other industrial markets.

-The Company is a joint venture between Freudenberg & Co. KG and NOK Corporation and manages operations in North America, South America and Malaysia.

-The Company consists of six individual sale brands:

Business Unit Contents
Automotive Sealing Designs and manufactures seals, gaskets and related components for automotive industry sealing applications.
Corteco Focuses on sealing, vibration control, and cabin air filter products for the automotive aftermarket.
Merkel Provides hydraulic sealing systems for heavy industry applications.
Process Seals Manufactures and develops seals for the chemical, food and beverage, and pharmaceutical industry.
Simrit Manufactures seals and related products for a variety of sectors including: aerospace, agriculture, construction, electronics, etc.
Transtec Provides transmission kits, steering kits, and brake components for the automotive aftermarket.


(As of Dec. 31, 2014)
Shareholders Share Capital (%)
Freudenberg & Co (Germany) 75.0
NOK Corp. (Japan) 25.0
Total 100.0


Bonded piston seals
-Clutch pistons
-Balance dam pistons
-Servo pistons
-Accumulator pistons
-Hydro lock pistons
-PTFE / elastomer bonding
-Seal rings

-Caliper piston seals
-Caliper piston boots
-Brake booster diaphragms
-Brake caliper components
-Brake drum components
-Brake booster components
-Brake master cylinder components
-ABS components

Fluid power products
-PTFE rotating seal rings
-Piston seals
-Rod seals, buffer seals and wipers
-Precision wear rings
-Polyurethane O-rings
-Back-up rings
-Ball valve seals
-Spring energized seals
-Automotive seals for suspension, including banded pistons, transmission, steering, air conditioning, and brake systems
-Merkel products - Heavy duty hydraulics
-Hydraulic cylinder seals
-Lathe cut rings
-Peek rings
-Reinforced rings
-Cab suspension systems
-Axle and wheel suspension systems

-Bonded gaskets
-Composite fiber gaskets
-Composite graphite gaskets
-Edge bonded gaskets
-Filter mesh gaskets
-Flat cut gaskets
-Foam coated metal gaskets
-High temperature gaskets
-Isolated gasketing systems
-Multi-layered steel gaskets
-Over molded carrier gaskets
-OPAK fiber gaskets
-PIP elastomeric gaskets
-Rubber coated metal gaskets
-Screen print/top coats available for flat gaskets
-Single layer steel gaskets
-Void-volume gaskets
-Carrier gaskets
-Rubber gaskets

-O-ring special forms
-Surface coating technologies

Radial shaft seals
-Engine seals
-Transmission seals
-Monotube shock seals
-Twintube shock and strut seals
-Power steering seals
-Encoders for ABS, engine and transmission applications
-Bearing seals
-Light axle seals and heavy axle seals
-Industrial oil seals
-Mechanical face seals
-Track roller seals
-High pressure seals
-Aerospace seals
-Valve stem seals
-Wheel end seals
-Cassette seals
-Rotating shaft seals
-Cartridge seals
-Pop seals

Specialty sealing products
-Static engine seals
-Static transmission seals
-Rubber boots
-TPE boots
-Plug and Seal plug-in connectors
-Plug and Seal connectors with sensors
-Silicone/fluorosilicone self-fusing tapes
-Extruded silicone/fluorosilicone
-Universal joint seals
-Fabric reinforced products
-Butterfly valve seals
-Electrical connectors
-Offset seals
-Solenoid plungers
-Sealing mats
-Sealing plugs
-Energy Saving Seals (ESS)
-Frame gaskets for pouch cells
-Low friction simmerring
-Breathable caps
-Overpressure valves

Thermoplastic sealings
-Impact rings
-Support rings
-Roller coatings
-Axle sealings

Other products
-Reed valves
-Metal bellows
-Rotary unions
-Gas seals
-EVAP control products; canister purge valves, check valves, ejectors/venturi nozzles, etc.
-Hybrid fuel tank isolation valves
-Accumulators; diaphragm, bladder, piston and metal bellows
-Pneumatic actuators and valves; turbo wastegate and bypass, etc
-Large diameter profile (extrusion) seals
-Pulse dampers
-Hydraulic solenoid valves
-Silicone seals
-Silicone diaphragms
-3D-formed all-plastic pipes
-Rubber, plastic and PTFE components for suspensions
-Pump housings
-Housings with integrated seals


1960 Freudenberg of Germany and NOK of Japan joined into a partnership.
Jul. 1989 Established as a joint venture between NOK and Freudenberg in the United States.
May 1998 Acquired Marcrotech/Salastomer of Bensenville, USA, a manufacturer of specialized seals.
Jul. 1998 Acquired International Seal Corp. of Nevada, manufacturer of O-rings.
Sep. 1998 Began building an axle production facility in North field, New Hampshire, USA, next to its existing Tooling Technology Center in North field.
Jul. 1999 Agreed to take a share in MMU Auto-Components Inc., an existing joint-venture between Meiji Rubber & Chemical Co. Ltd. and Mitsubishi Corp., Japan. Company has a 51% stake in the new company, called Flexitech Inc., which supplies brake hose assemblies to the US market.
Aug. 1999 Acquired Detroit Gasket from Indian Head Industries, based in Charlotte, North Carolina.
Jan. 2000 Acquired VERCO Seal Co.
Feb. 2005 Vibracoustic North America, L.P., the vibration control business of the Company, acquired the assets of Gates AirSprings, a division of Gates Corp.
Oct. 2007 Acquired the assets of Precision Industries Corporation of Germantown, Wisconsin, a developer and manufacturer of specialized custom diaphragms.
Jan. 2011 In line with Freudenberg & Co. KG's organizational change, the Company changed its name to Freudenberg-NOK Sealing Technologies.
2011 Combined the activities of the previous Freudenberg Seals and Vibration Control Technology Europe and Freudenberg-NOK Sealing Technologies to form the Company, Freudenberg Sealing Technologies.
Jan. 2011 Renamed from Freudenberg-NOK General Partnership to Freudenberg-NOK Sealing Technologies.
Jun. 2012 The Company sold its precision molded brake parts business to ContiTech Vibration Control GmbH.
Oct. 2012 The Company acquired 50% of the Schneegans Group.

Supplemental Information 1