Roush Industries

Established in 1943, O. Keller Tool Engineering Company is one of the largest machine shops in the Midwest. The company offers design/build services for precision details, fixtures, gages, pallets and special machines. It has received an ISO 9002:1994 certification from the International Organization for Standardization. O. Keller Tool Engineering Company also builds a variety of gages, including hand held and table top gages and checking fixtures. The company maintains a variety of mills, lathes and grinders for precision machining applications. It provides project management services that include various lift assists and subassembly type tooling. O. Keller Tool Engineering Company additionally offers inspection, welding, fabrication, drilling, turning, sawing and grinding services.

Heinanen Engineering, Inc began in 2002 under the guidance of company owner Jeff Heinanen. Mr. Heinanen is a University of Michigan graduate holding a Bachelor's Degree in Mechanical Engineering and has over 12 years experience in the industry. He holds the premise that heating and cooling your home or business building can be done more effectively and efficiently than previous industry practices have allowed. It is also his belief that mechanical systems should be installed right the first time for years of efficient and trouble free operation. These values led to our company motto of the pursuit of Mechanical Perfection ! How do we reach our goal of perfection? By using state of the art analysis tools, sizing equipment appropriately for the space, and utilizing technology advanced equipment and materials. We also follow energy savings guidelines, meet or exceed local code directives and maintain a well-trained staff of technicians. All of these things bring a wealth of knowledge to each project which provides you with the best possible solution for your individual situation. Our corporate motto the pursuit of Mechanical Perfection represents our intent of utilizing only the highest quality materials and workmanship. Through partnerships with leading suppliers that adhere to this high level of quality allows us to bring the final consumer a variety of options for their mechanical equipment. On-going training of our skilled technicians provides the necessary talent to each project to provide value for your special needs.