RCO Engineering

RCO Engineering is a collection of creative designers and engineers, accomplished prototype builders, testing experts and production specialists. We've honed a process to take basic ideas from concept through production over our 43 years in business. This unique, do-it-all approach has earned us a solid reputation as the go-to partner for hundreds of companies in the automotive, aerospace and defense industries. 


RCO provides design and engineering services, tooling, prototype and production part runs for many world class organizations. Our capabilities include sheet metal stamping and fabrication, plastic injection molding, lightweight composite compression molding, molded & milled foam, rapid prototyping, upholstery, and fixtures & gages. 


Historically, leading jet manufacturing brands were limited to just a few seat manufacturers. When they sought a new, out of the box seating partner, they found us. Our reputation in the automotive industry and our expertise with lightweight materials More... has uniquely positioned us to meet and exceed the aerospace industry's stringent aesthetic, functional and design requirements.


 RCO is a single source for individual components or large programs. We strive to be your product development partner walking you through the complex process of bringing a part or program from concept through production.

Monroe Mold

The Prototyper Inc

Aileron, Inc.

ROY + LECLAIR EMBALLAGE INC.

Ace Seal, LLC

Global Supplier of Molded Rubber Parts, Seals & More


Founded in 1982, Ace Seal is a Woman Owned supplier of O-rings, Rubber Seals, Gaskets, Custom Molded Rubber parts with global reach. Headquarters are located in the heart of Silicon Valley with worldwide ISO / TS 16949-2002 certified manufacturing facilities that allow us to give you the very best quality, price, and lead-time available in the industry.


Ace Seal continuously upgrades tooling and process technologies to insure that we are one of the world leaders in manufacturing of O-Rings, Rubber Seals and Molded Rubber Parts. Our single and multi-cavity tooling produces parts designed to your exact tight tolerances that can be molded from commercial or ASTM/MIL compounds. Our low cost tooling and quick turnaround satisfies the most demanding engineering and manufacturing teams and is a reason we are a top global o-ring supplier. Whether you need small quantities or high volume production runs, call Ace Seal for your custom molded rubber More... & plastic components.


 At Ace Seal our O-Rings are available in both U.S. and Metric sizes. We offer O-Rings and other seals in Nitrile, Viton, Silicone, Ethylene Propylene, Teflon and several other materials. We specialize in Spliced & Vulcanized o-rings with a quick turnaround time. Our close tolerances and exact specifications make Ace Seal a truly reliable o-ring supplier for all your sealing needs.

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Suppliers specializing in Distribution: Blow molding and Blow molding

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