Jaytool is owned and operated by Mark Ruberg. 

30 years of experience working with small to large companies. Competencies are centered on mechanical solutions, new product and redesign processes with capabilities in mechanical design, research, and product development. Specialty is idea phase, concept evaluation, and development of new product designs and the manufacturing process. Mark's real world knowledge, hands on approach, and problem solving skills gives him the unique ability to interact with engineering teams, plant managers and production personnel to achieve the final cleanest solutions.

Design & Build experience


Some of our major clients include:

Apex Technologies; Armor Metal Group; Bering Manufacturing and Design; Blue-Chip Engineered Products; Blue Ash Industrial Supply; BMW; Brenco; Burns Packaging Products; Bushman Conveyors; Caterpillar Inc.; Cincinnati Incorporated; Cincinnati Ventilating Company; Cincinnati Robotics; Clippard Instrument; Controlink Systems; Cox tool-service; Dow Chemical; Dracket; Dresser Rand; Dynabraid; East Fork Precision; Eli Lilly; Environmental Quality; EST Inc; Flavor Systems International; Ford Motor Co.; Givaudan Flavor; J& L. Industrial Supply; Jackson Tool and Mold; Knittel Engraving; Kohl Patterns; Lamiflow Air Systems; L. S. I. industries; Mazak Corp.;NASA Huntville; Proctor & Gamble; P. T. S.; Roto Press; Surmatech; S. K. W.; Soffseal Inc.; Spectra Technologies; Square D; Stop Stick Inc.; Trico mfg.; Tekmar; Teledyne Instruments; WSF Surface Preparation; Toshiba Medical; Trico Inc; US Navy

Jaytool Manufacturing & Design is located at:

P.O. Box 290  /  9325 Harrison Ave

Miamitown, OH  45041


Contact Mark at 513-353-1245 or email:  mruberg@jaytool.com

In addition to operating JayTool, Mark is president of Exotx, LLC, a producer of high quality motorcycle parts for the V-Twin market.