Call us today for your wiring needs: 1(319) 377-6394
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We specialize in custom, state-of-the-art wiring harness and assemblies. 

Whether you need one piece or large production runs, simple jumper wires, battery cables, or large complex wire harnesses, our experienced staff will design, develop, and manufacture your wiring harnesses to your exact specifications. 

Our Wire Harnessing is 100% computer tested.

This will ensure that you will not experience line shut-down or failures in the field. We work closely with all of our customers to ensure all products are made to your exact specifications, within your budget and most importantly, on time!

Are you in a rush? We can deliver parts on the same day.

If you urgently need a part, call us immediately! We can get it to you on the same day if you're within reasonable driving distance from our Marion, Iowa, headquarters. Contact Us by phone or email for a quote. Unlike our competitors, we do not have a minimum order requirement.

Some of the markets we serve:

  • Agriculture
  • Heavy Equipment
  • Construction
  • Cranes
  • RVs
  • Trailers
  • …and more
  • Marine
  • Medical
  • Military
  • Emergency Vehicles

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Superior Customer Service. Outstanding Products. On-Time Delivery.

Our customers depend on us to do whatever necessary to produce their custom products and deliver them on time. When it comes to wiring, we can do anything.
Call us today to request a quote at 1(319) 377-6394
or email us at sales@brennemanandassociates.com



  • Wire Harness Assemblies
  • Splice Assemblies
  • Injection Molding
  • Wire, Cut and Stripped
  • Wire, Cut and Terminated
  • Wire Striping and Dyeing
  • Design and Development Assistance
  • Electro-Mechanical Assemblies
  • Control Boxes
  • Solid-State PC Boards
  • Fiber Optic Components
  • Hand Soldering
  • Engineering Support

We also carry a wide variety of Electrical and Distribution products. Unlike our competitors, we do not have a minimum order requirement! Visit our Products page for details.

Brenneman & Associates
201 35th Street
Marion, Iowa 52302
Tel:
1(319) 377-6394
Fax: 1(319) 377-3674
sales@brennemanandassociates.com


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Brenneman & Associates, Inc. is a UL & CSA certified supplier of wiring harnesses and processed wire.