Mechanical Technology Inc. (MTI) is warming up to the alternative energy market. The company's MTI Instruments, Inc. subsidiary (MTII) specializes in the design, manufacture and service of non-contact precision test and measurement equipment and makes computer-based aircraft engine balancing systems, capacitance measuring systems, and non-contact sensing instrumentation. MTII Instruments serves customers in the aerospace, automotive, bioengineering, computer, and semiconductor industries. MTI has diversified its offerings by investing in the alternative energy market. MTI was founded by two entrepreneurs in 1961.