Power Distribution & Controls UEI Transformers Founded in 1967, Universal Enterprises, Inc. is a leading manufacturer of portable testing and measuring equipment for the HVAC industry. Visit UEI Transformers ' Your Shopping CartBusiness Hours Monday – Friday: 7am – 4pm Having trouble identifying or finding a part? Call (802) 655-7090 or click here to complete our product finder form, we can help! Join Our Mailing List Get the latest information on promotions, products and events sponsored by Walsh. Name First Last Email* Customer Type* Commercial/Industrial Residential CommentsThis field is for validation purposes and should be left unchanged.