Controlled Power Company engineers and manufactures the highest quality commercial and industrial electrical power quality solutions, capitalizing on over 45 years of expertise. As an ISO 9001:2008 company, we have an env......Controlled Power Company engineers and manufactures the highest quality commercial and industrial electrical power quality solutions, capitalizing on over 45 years of expertise. As an ISO 9001:2008 company, we have an enviable reputation for quality, which is reflected in the design, workmanship, and performance of our products ⋅⋅⋅ each of which are "made in the USA": manufactured, assembled, and tested in our Troy, Michigan facility. As part of our commitment to quality, we strive for "zero defects" and "100% customer satisfaction". We pride ourselves on our longevity in the power quality industry, and in our ability to develop new products and customize existing ones. This experience and engineering expertise allow us to design standard and custom products that meet the needs of our customers and their applications.