G Squared Advises Sigma Science on its Sale to RSI / ASRC
- Greg Nossaman
- 6 days ago
- 1 min read

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.”
G Squared Capital Partners served as the exclusive investment bank to Sigma.