Mirion Technologies Acquires Computerized Imaging Reference Systems (CIRS)

Mirion Technologies Acquires Critical Infrastructure Business of Collins Aerospace

August 9, 2022

Cybersecurity

Mirion Technologies has completed the acquisition of the Critical Infrastructure (CI) business of Collins Aerospace (operating through ARINC Incorporated). The CI business — which will integrate under Mirion as Secure Integrated Solutions (SIS) and operates out of Carrollton, Texas and Pittsburgh, Pennsylvania — brings command-and-control software and cybersecurity capabilities for nuclear power plants and government facilities to expand Mirion's industrial software and digital offerings.

Mirion Technologies Acquires Sun Nuclear Corporation

January 7, 2021

Medical Devices

Mirion Technologies, a Charterhouse-backed provider of radiation detection and measurement solutions, has acquired Sun Nuclear Corporation, a global leader in radiation oncology quality assurance headquartered in Melbourne, Florida. The acquisition expands Mirion’s medical portfolio and capabilities in patient-safety solutions for diagnostic imaging and radiation therapy, integrating Sun Nuclear’s hardware and software QA offerings into Mirion’s global platform.

Mirion Technologies Acquires Biodex Medical Systems

September 1, 2020

Medical Devices

Mirion Technologies, a San Ramon-based, PE-backed provider of radiation detection and measurement solutions, acquired Biodex Medical Systems, Inc. effective September 1, 2020. Biodex, a manufacturer of nuclear medicine instruments, medical imaging equipment and rehabilitation systems headquartered in Shirley, New York, will expand Mirion's medical device and imaging capabilities as part of Mirion's strategic plan to grow its medical business.

Topcon Healthcare Acquires Intelligent Retinal Imaging Systems (IRIS)

July 30, 2025

Medical Devices

Topcon Healthcare, the digital health and ocular data business of Topcon Corporation, has acquired Intelligent Retinal Imaging Systems (IRIS), a U.S.-based provider of cloud-based, AI-assisted retinal screening technology. The acquisition integrates IRIS into Topcon’s Harmony connected-care platform to expand retinal screening into primary care, strengthen PCP–ECP coordination, and accelerate early disease detection at scale.

Sun Nuclear (Mirion Medical) Acquires Oncospace

April 30, 2025

Healthcare Services

Sun Nuclear, a Mirion Medical company, has acquired Oncospace, a cloud-based, AI-powered radiation oncology software provider. The acquisition brings Oncospace’s predictive plan quality and treatment-planning conversion tools into Sun Nuclear’s software roadmap to expand its digital-first radiation therapy quality assurance capabilities.

Mirion Acquires Certrec to Expand Nuclear Compliance and Digital Capabilities

July 31, 2025

Energy

Mirion (NYSE: MIR) has acquired Certrec, a Fort Worth-based provider of regulatory compliance and digital integration solutions for the energy sector, for a cash purchase price of $81 million plus additional equity incentives. The acquisition brings software and recurring services capabilities to Mirion’s Nuclear & Safety group, strengthening its offerings across nuclear power facilities and broader electric generation markets.