RSI Acquires Sigma Science, Inc., a Specialized Nuclear Services Firm

Acquisition Complements RSI’s Service Offerings and Expands Their Capabilities

Oak Ridge, Tennessee—RSI EnTech, LLC (RSI), an ASRC Industrial (AIS) company and leading environmental and nuclear services firm, announces the acquisition of Sigma Science, Inc. (Sigma). Based in Albuquerque, New Mexico, Sigma has provided nuclear safety, security, and operations support to federal and commercial clients for nearly 30 years.

With Sigma joining the RSI Group, the company will continue to deliver diverse professional services for nuclear energy, security, and infrastructure modernization programs nationwide while expanding client solutions through the broad reach of RSI and AIS.

“We are thrilled to officially welcome Sigma to the RSI and greater AIS family,” said Allison Getsi, RSI President. “The addition of Sigma strengthens our capabilities and client base to support national defense and energy initiatives across the nuclear industry.” Steve Ennis, President and CEO of AIS, said, “Sigma’s proven credentials and strong reputation create new opportunities for growth, and we are proud to have such a highly skilled and accomplished team join our organization.”

“Today marks a fresh start as we unite with RSI and AIS,” said Gil Torres, Sigma President. “We remain dedicated to partnering with our clients and maintaining our reputation for exceptional performance as part of the RSI family.”

About RSI
Representing the AIS Environmental and Nuclear business line, RSI is dedicated to advancing the missions of our clients in the environmental, nuclear, energy, construction, and project delivery sectors. With nearly 30 years of experience, we have successfully partnered with federal agencies and private industry to plan and execute complex projects that prioritize safety, performance excellence, and strong returns for our clients. Our strength lies in our talented workforce who demonstrate the core values that define us. We work with a shared purpose and remain committed to each other, the clients and communities we serve, and the greater mission of our Iñupiaq shareholders. Based in Oak Ridge, Tennessee, RSI companies are certified Small Disadvantaged Businesses with 8(a) advantages. We invite you to visit us at rsienv.com to learn more about our story, people, and purpose.

About ASRC Industrial
Established in 2016 by Arctic Slope Regional Corporation (ASRC), an Alaska Native corporation (ANC), ASRC Industrial (AIS) is a diverse provider of federal and private sector services spanning the environmental, nuclear, industrial, and construction markets. Headquartered in Tempe, Arizona, AIS serves as a trusted, reliable partner to clients nationwide and abroad. The foundation and future of AIS are represented by the talented and committed craftspeople and professionals unified by our driving purpose, “to leave things better than we found them.” As a people-focused company, AIS has a responsibility to deliver this purpose through meaningful career opportunities, exceeding client expectations, and providing sustainable returns to the Iñupiaq shareholders of ASRC. Learn more at asrcindustrial.com.

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Media Contact:
Stacy Kirby, RSI Corporate Communications Manager, communications@rsienv.com