Through our subsidiary companies, American Electrical Testing (AET) and Burlington Electrical Testing (BET), AES provides substation commissioning, acceptance testing and maintenance services to electrical transmission, distribution, generation commercial and industrial clients, as well as large users of electrical power. Leaders in the field of electrical testing, AET and BET deliver the best value in the marketplace by offering quality service at competitive prices. Working with major electric utility providers throughout the United States, AET and BET handle large T&D and generation acceptance testing and commissioning projects and support commercial and industrial facilities.