Proponent Secures 4-Year Exclusivity Agreement with Auxitrol Weston Expanding their Distribution Portfolio

Press Release

Brea, Ca – June 20, 2023 – Proponent, the largest independent aerospace distributor globally, is thrilled to announce the signing of a new 4-year exclusivity agreement with Auxitrol Weston, a renowned manufacturer of commercial components and parts. Under this agreement, Proponent becomes the exclusive distributor for various commercial components and parts manufactured by Auxitrol Weston.

Building upon their previous successful collaboration, Proponent’s distribution rights now extend beyond their existing contract, which covered the CFM56, V2500, and CF34 programs. The newly added programs include the CF6, RB211, Trent 700, and Trent 800. By expanding their product offerings, Proponent ensures their customers have access to an extensive range of high-quality parts for a variety of aircraft platforms, thus meeting the evolving demands of the aerospace industry.

This exclusive partnership with Auxitrol Weston aligns with Proponent’s mission to deliver exceptional service, fast and reliable delivery, and customer-centric solutions. By leveraging their broad network and industry expertise, Proponent aims to enhance customer satisfaction while driving growth in the commercial aftermarket sector.

Proponent is a trusted and valued partner to Auxitrol Weston, said Jonathon Beach Vice President of Sales and Marketing. “This expanded agreement will enhance Proponent’s customer experience through increased product availability and will enable Proponent to help Auxitrol Weston better serve its customers globally.”

Jeff Nixon, Chief Commercial Officer for Proponent, expressed his enthusiasm for the expanded collaboration with Auxitrol Weston. He stated, “We are thrilled to further strengthen our partnership with Auxitrol Weston through this exclusive agreement. The addition of the CF6, RB211, Trent 700, and Trent 800 programs to our distribution portfolio allows us to offer an even more comprehensive range of commercial components and parts to our customers worldwide.”

Proponent is committed to delivering innovative solutions that address the unique needs of its customers while upholding the highest standards of quality and service. Through strategic partnerships like the one with Auxitrol Weston, Proponent continues to solidify its position as a global leader in the aerospace distribution industry.

About Proponent
Proponent is a leading independent global aerospace parts distribution business headquartered in Brea, California. As well as providing traditional distribution services to airlines, MROs and OEMs, the company also provides a range of inventory management solutions designed to reduce operating costs and improve supply chain performance. The company’s focus is on providing outstanding quality and value by better understanding its customers and delivering time-based service advantages. To learn more, visit

About Auxitrol Weston
Auxitrol Weston is a world leading supplier of engine and aircraft sensors to both original equipment manufacturers and aftermarket MRO shops and airlines. We provide a wide range of highly reliable sensors including high accuracy temperature, speed and pressure sensors. Our history dates back more than sixty years with a proven track record in supplying into the commercial, military, aero- derivative and industrial markets. The Auxitrol Weston team provides a high added value service to our customers that starts with our design and development and carries through to production. Our service also includes our worldwide aftersales and maintenance facilities in Europe, the United States, China and Singapore.

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