UES provides personalized engineering, environmental, testing and inspection services to public and private clients across the United States.

UES has fully operational and fully-staffed branches coast to coast, ranging from California to the DC Metro area to Miami.

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 …

At UES, we are experts in the areas of environmental and earth sciences, sustainable infrastructure solutions, and geophysical technologies.

Headquartered in Orlando, Florida, UES’ foundation of community, technical expertise, and the relentless pursuit of excellence remains stronger than ever. UES has grown into one of the largest …

UES offers a wide range of services across three core service areas: Environmental and Earth Sciences, Sustainable Infrastructure Solutions, and Geophysical Technology.

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Our network of nearly 4,000 professionals have advanced degrees, certifications, and decades of experience. They are continuously educated and trained through UES University, our online learning …

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

Covering 24 states and with a growing fleet of more than 300 service and transport trucks, UES collects more than 80 million gallons of used motor oil as well as used industrial oil annually. Customers of all …