Based out of Indianapolis, IN , variablefrequencydrive . com is a part of Mechanical Electrical Systems, Inc. Mechanical Electrical Systems Inc. has been in business as a distributor and integrator for motor controls since 1979. With many drives in stock and ready to ship, we have access to one of the largest Variable Frequency Drive inventories in the United States. Since 1979, we have offered a wide variety of Variable Frequency Drives, expert engineering services, and custom VFD panel manufacturing capabilities. We have built our business around providing technical expertise, creating an exceptional customer experience and offering an extensive VFD inventory to our customers.