Thank you for visiting our technical toolbox full of product line details such as detailed informational sheets, technical schematics, ordering charts, tools and accessories as well as customization product breakdowns. All downloadable and just a click away for your use. Don’t forget our technical support team is just a phone call away during the week at (847) 742-3566 x1003. Get to know more about us by downloading our OCC Company Overview.


Do you need to know the schematics of a certain part or product line that we offer? See itemized list below for any reference material you might need and click to download or print.


T-Bar®, a division of Olympic Controls Corporation. Visit T-Bar now to learn more about our legacy products and services.


Amperite®, a division of Olympic Controls Corp, is a legacy manufacturing partner standing by to showcase all we can share with your team. Get to know more about our products and services by visiting Amperite® now for more details.


Here at OCC we strive for customer satisfaction. We would appreciate you taking part in our customer survey to help us achieve that goal.


There is no long wait. There is only our hands-on team ready to receive either your e-mail to [email protected] with any questions or comments. Or we are just a phone call away at (847) 742-3566 to discuss a new or existing order. And note our Privacy Policy available for more information.

About OCC

For over 50+ years, Olympic Controls Corporation (OCC) has been a quality manufacturer and supplier of standard and customizable Coils, Fuel Pumps, Relays, Toggles and Pushbuttons. Our legacy brands, Amperite and T-Bar, lead the way in quality dependability. Procure the products and services the U.S. Military, Foreign Governments and many Fortune 500 companies use to keep their equipment running smooth.

Our Legacy Promise

We promise to produce legacy strong products crafted from 50+ years of quality manufacturing excellence. Led by three generations of family-owned and operated business. Made in the U.S. with supreme reliability and our quality management system is certified to the latest ISO standard (ISO 9001.2015).

Our Address

Olympic Controls Corporation
1250 Crispin Drive
Elgin, Illinois 60123
[email protected]

Let’s Connect

Main: (847) 742-3566
Fax: (847) 742-5686
Sales: x1008
Billing: x1001
Purchasing: x1007
Technical Support: x1003
Shipping/Receiving: x1005

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