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Welcome to Connector Concepts Inc. Online!

Who We Are

Connector Concepts Inc. was founded by Walter Doctor in 1984. With innovation from second-generation sons, the family business has grown from distribution in the 1980’s, to delivering more complex solutions in the 1990’s. Change brought bigger ideas, and in 2008, Connector Concepts Inc. moved into a larger facility located in Mundelein, Illinois to accommodate the growing contract manufacturing business.

What We Do

Connector Concepts Inc. is an ISO 9001 Certified distribution and contract manufacturing business delivering everything from processing wire leads, panel assemblies, custom box builds and wire harnesses to a variety of OEM customers. With a focus on electrical components, the family business differentiates itself from competitors by targeting different parts of the marketplace. Our online web store is evolving to meet market needs, paying close attention on delivering relevant products to our customer base.

ISO Certification


Customer Service


Our service department is always here to help. If you have any problems finding products, need additional information, or have questions regarding OEM price levels, please contact us at:


Phone: (847)541-4020


Fax: (847)541-4026




Shipping Information:

We offer the following shipping methods:



  • UPS Ground
  • UPS 2nd Day Air®
  • UPS Next Day Air®
  • UPS 2nd Day Air A.M.® (Commercial Only)
  • UPS 3 Day Select®
  • UPS Next Day Air Saver®
  • UPS Next Day Air® Early A.M.®




  • Refund, Returns and Cancellation Policies:

    All products provided by and through Connector Concepts are provided "as is" and with all faults. Special orders are non-cancellable and non-returnable. Returns Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.

    To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Please call the Sales Department at or email sales@connectorconcepts.com for return product information prior to shipping the product(s) to Connector Concepts. The purchaser shall bear the cost of shipping and insurance on product(s) returned.
    Our Customers Say

    Very professional service and quality products! Site is very user friendly with graphics and data sheets on all their products! ... read more

    Connector Concepts Inc.
    1530 McCormick Avenue
    Mundelein IL, 60060

    P:847.541.4020
    F:847.541.4026
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