UES provides specialized engineering, environmental, testing and inspection services to clients across the United States. We’re experts in the areas of environmental and earth sciences, sustainable infrastructure solutions, and geophysical technologies.

For the first time in nearly 12 years, UniSource Energy Services has proposed new, higher base rates for natural gas service. We plan to more than double our electric energy resources over …

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UES is the fastest-growing firm in the U.S. and we’re always looking for talented individuals to join our ever-expanding team. Whether you are a seasoned engineering professional, or you are embarking on a new career, UES has a place for you.

UniSource Energy Services provides energy to more than 243,000 customers across Arizona.

UES is Now BlueHalo. View UES Positions. We’re pushing the boundaries of what’s possible, from concept to reality. Our high-performance and innovative scientific research and technology services and products solve challenges for customers seeking …

Universal Environmental Services is the leading used oil collector and processing company in the southeastern United States. Covering 24 states and with a growing fleet of more than 300 service and transport trucks, UES collects more than 75 million gallons of used motor oil as well as used industrial oil annually. Customers of all sizes trust ...