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Custom rubber compounding focused on you

Preferred Compounding Corporation has grown into the second largest custom rubber compounder in North America. We mix custom and proprietary compounds from practically every polymer and focus on complete client relationships through five value drivers:

  • Delivering consistently high compound quality including through our MixLoc quality program and 24/7 quality portal
  • Providing extensive compound development, improvement and testing resources at every step, including on-site support during compound start-up and should any production issues arise
  • The ability to produce practically every compound you require from all polymer types, providing one source for all your compound needs
  • Motivated, fast and reliable service including inventory, raw material agreements and other options
  • Creating value through fair, flexible and transparent business practices leading to mutual success

As a Preferred Compounding customer, these performance-enhancing and value-adding services are available to you. And we still get your compound on the dock on time.

Trostel is now part of Preferred Compounding Corporation

Trostel | Preferred Compounding CorporationPreferred acquired Trostel Ltd. on December 1, 2016. Trostel Compounding Company is now Preferred Compounding Whitewater. For information on Trostel Molding Company, go to trostel.com. For acquisition details, read the announcement here.

Get started with Preferred.

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Quality Mixed In

Rubber compounding quality program

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MixLoc Details

Why Preferred

What We Mix

Areas We Serve

About Quality

Click each of the four ovals to discover how Preferred works to help you achieve your goals

Preferred Compounding News

Preferred Compounding acquires Kleen Polymers

COPLEY, OHIO – Preferred Compounding has acquired Wadsworth, Ohio -based Kleen Polymers, a custom rubber compounder specializing in non-black elastomeric compounds. The acquisition of Kleen expands Preferred’s mixing capability in ultra-clean color, high-performance compounds. Terms were [...]

Preferred to add high performance elastomer compounding in Mexico

SAN LUIS POTOSI, MEXICO – To meet demand for FKM, HNBR, ECO and other high performance elastomer (HPE) compounds, Preferred Compounding de Mexico will bring online by summer a 75-liter tilt mixer, the first of [...]

Preferred Compounding acquires Trostel Ltd.

BARBERTON, OHIO – Preferred Compounding (Preferred) has acquired Wisconsin-based Trostel Ltd. (Trostel). Trostel is comprised of two divisions, the custom rubber compounding business Trostel Compounding and the value-added specialty molding business Trostel Molding. The acquisition [...]

Preferred Compounding adds 70 percent more space in Mexico

SAN LUIS POTOSI, MEXICO –Preferred Compounding’s mixing operation in central Mexico is increasing production and warehousing space by more than 70 percent to 137,000 square feet. The custom compounder with four North American locations has [...]

Preferred excels in the quality of the compounds and what they are willing to do to support us in engineering in desirable characteristics and reducing cost.
Midwest auto parts supplier
Preferred created a supply chain program for us that keeps us supplied right on time.
Southern gasket molder

We produce rubber compounds from:







Natural Rubber




...and other polymers.
To discover if we can make your compounds, contact Marc Pignataro at 330.798.4960 or marc.pignataro@preferredperforms.com.

This post is also available in: Spanish