Arnt Engineering is a company in Nevada owned by Arnt Tonnessen. It has been doing DCC installations and layout consulting since 2004. It is currently a dealer for American Hobby Distributors, Aztec Model Railroad Accessories, Grizzly Mountain Engineering, NCE, and TCS.

The company started in San Diego as a medical device prototyping business. Arnt used the skills that he acquired as a lifelong model railroader and other engineering techniques that he learned in the Navy to build a loyal clientele. Upon his move to Nevada, he expanded his prototyping business to include cutting edge technology for model trains and railroad layouts. For more information about his services and/or a price quote, please contact: