Mirion Technologies (NYSE: MIR) is a radiation detection and measurement company that designs, manufactures, and services instruments used to detect, measure, and monitor ionizing radiation. Revenue comes from selling hardware devices, software systems, and aftermarket services, including calibration, maintenance, and recurring service contracts, to customers in nuclear power, defense, medical, and research end markets. The 10-K filed 2026-02-19 (accession 0001628280-26-009869) covers the fiscal year ended in that period. Mirion operates across two reported segments, Medical and Technologies, serving utilities, government agencies, hospitals, and research institutions. The business carries meaningful switching costs rooted in regulatory certification requirements and customer reliance on calibrated, validated measurement systems. The company is headquartered in Atlanta, Georgia and has a global manufacturing and service footprint.

Revenue model

Hardware product sales combined with recurring aftermarket services including calibration, maintenance contracts, and software subscriptions across the Medical and Technologies segments.

Products and services

Radiation detection instruments, dosimetry systems, nuclear measurement hardware, radiation monitoring software, medical imaging and therapy quality assurance devices, and aftermarket calibration and maintenance services.

Customers and end markets

Nuclear power utilities, defense and government agencies, hospitals and cancer treatment centers, research institutions, and industrial radiation users.

Value-chain role

Instrument designer, manufacturer, and service provider for radiation detection and measurement; sits between component suppliers and end-user operators in nuclear, medical, and defense environments.

Geographic exposure

Global, with operations in North America and Europe serving customers across multiple international markets as described in the FY2025 10-K filed 2026-02-19.

Source: SEC 10-K, filed 2026-02-19

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