Skip to content


A clear-gloved hand carefully holds at the edge a precision molded seal over other machine components.
Trostel is a globally recognized TS 16949 certified manufacturer, known for its expertise in the production of precision rubber seals, bonded and over-molded products as well as high performance technical sealing assemblies. Trostel is a preferred supplier to many customers by consistently meeting or exceeding expectations in service, quality, cost, and delivery. In addition, its in-house rubber mixing capabilities, technical expertise and global reach sets it apart.  

Our customer portfolio consists of globally recognized industry leaders in automotive, appliance, agriculture and industrial markets. 


Appliance Seals

Washer Tub Seals

Cartridge Seals

Oil/Grease Seals

Pressure/Vacuum Seals

Reciprocating Seals

Magnetic Encoder Seals


Integral Seal Assemblies

Mechanical Face Seal Assemblies

Gas Spring Seals

Braking Seals

Diaphragm Seals

Molded Rubber Components






Medium/Heavy Duty Truck

Industrial Equipment

Recreational Vehicles

Diesel Engines

Oil & Gas

General Industry

Two workers in hardhats walk across a factory floor

Trostel Careers

Trostel is persistently searching for talented and skilled individuals to join their diverse and highly recognized team. 

Contact Trostel

901 Maxwell Street
Lake Geneva, WI 53147
Phone: (262) 248-4481