Top 10 Companies in the Cesium Iodide (Na) Industry (2025): Market Leaders Advancing Radiation Detection Solutions

In Business Insights
July 18, 2025

The Global Cesium Iodide (Na) Market was valued at US$ 134 Million in 2024 and is projected to reach US$ 185 Million by 2032, growing at a Compound Annual Growth Rate (CAGR) of 4.9% during the forecast period (2024–2032). This expansion is driven by rising demand across medical imaging, industrial radiography, and nuclear security sectors, along with technological advancements in scintillation crystal manufacturing.

Cesium Iodide doped with Sodium (Na) has become indispensable for high-precision radiation detection due to its superior light output and energy resolution characteristics. As global industries increasingly adopt radiation-based technologies for quality control and safety monitoring, these specialized materials are gaining strategic importance. This analysis profiles the Top 10 Companies in the Cesium Iodide (Na) Industry—technology pioneers delivering innovative solutions for critical radiation measurement applications worldwide.


🔟 1. Saint Gobain S.A.

Headquarters: Courbevoie, France
Key Offering: High-performance CsI(Na) crystals, radiation detection systems

Saint Gobain’s Materials Technology division leads in advanced scintillator production, supplying crystals that achieve industry-leading light yield and uniformity. Their CsI(Na) products enable high-resolution imaging in medical CT scanners and security screening equipment.

Technology Advantages:

  • Proprietary crystal growth methods ensuring <1% light yield variation

  • Integrated detector manufacturing from raw material purification to final assembly

  • Global technical support network across 50+ production sites

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9️⃣ 2. Amcrys

Headquarters: Kharkiv, Ukraine

Key Offering: Custom CsI(Na) scintillators, radiation measurement components

Specializing in radiation-hardened materials, Amcrys delivers crystals with exceptional environmental stability for defense and aerospace applications. Their vertically integrated operations control every stage from raw material processing to final optical polishing.

Technology Advantages:

  • Military-grade crystals resistant to vibration and thermal shock

  • Prototype-to-production capabilities for special geometries


8️⃣ 3. Hamamatsu Photonics K.K.

Headquarters: Hamamatsu, Japan
Key Offering: Integrated radiation detection systems with CsI(Na)

Hamamatsu combines proprietary photomultiplier tubes with optimized CsI(Na) crystals to create detection solutions with industry-leading sensitivity. Their modules are critical components in PET scanners and high-energy physics experiments.

Technology Advantages:

  • Patented optical coupling techniques maximizing light collection

  • Ultra-low noise electronics for weak radiation measurement


7️⃣ 4. Scintacor

Headquarters: Cambridge, UK
Key Offering: Ruggedized CsI(Na) detectors for harsh environments

Scintacor specializes in radiation sensors for oilfield logging and industrial process monitoring, where materials must withstand extreme pressures and temperatures exceeding 150°C.

Technology Advantages:

  • Proprietary hermetic sealing prevents moisture degradation

  • Custom crystal doping for specific energy response profiles

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Cesium Iodide (Na) Market – View in Detailed Research Report


6️⃣ 5. Radiation Monitoring Devices

Headquarters: Watertown, Massachusetts, USA
Key Offering: Custom radiation imaging solutions with CsI(Na)

RMD develops advanced detector arrays for security scanners and medical diagnostics, utilizing proprietary CsI(Na) formulations that achieve sub-millimeter spatial resolution.

Technology Advantages:

  • Digital readout technologies enabling real-time imaging

  • Graded doping techniques for optimized energy discrimination


5️⃣ 6. EPIC Crystal

Headquarters: Xi’an, China
Key Offering: Cost-effective CsI(Na) materials for volume applications

EPIC Crystal has become a key Asian supplier, delivering quality materials at competitive prices for industrial radiography and security screening equipment manufacturers.

Technology Advantages:

  • Scalable production with 20-ton annual crystal capacity

  • Rapid turnaround for custom dimension requests


4️⃣ 7. Shanghai SICCAS

Headquarters: Shanghai, China
Key Offering: High-purity CsI raw materials and crystal services

As China’s leading advanced materials research institute, SICCAS supplies critical inputs for detector manufacturers while pioneering new crystal growth methodologies.

Technology Advantages:

  • 99.999% purity starting materials

  • Joint development programs with major OEMs


3️⃣ 8. Shanghai Ucome

Headquarters: Shanghai, China
Key Offering: CsI(Na) powders and preforms for detector assembly

Specializing in material processing, Ucome provides precisely formulated CsI(Na) materials that enable manufacturers to produce consistent, high-performance detectors.

Technology Advantages:

  • Nanoscale powder processing for uniform doping

  • ISO 9001 certified quality systems


2️⃣ 9. Crytur

Headquarters: Turnov, Czech Republic
Key Offering: Large-area CsI(Na) crystals for physics research

Crytur’s expertise in growing meter-scale crystals makes them the supplier of choice for international particle physics experiments requiring massive radiation detectors.

Technology Advantages:

  • Unique capability for 300+ mm crystal diameters

  • Ultra-low background materials for rare event detection


1️⃣ 10. Rexon Components

Headquarters: Beachwood, Ohio, USA
Key Offering: Complete CsI(Na) detector solutions

Rexon integrates advanced materials with precision electronics to deliver turnkey radiation measurement systems for medical and industrial applications.

Technology Advantages:

  • Optimized optical interfaces maximizing signal transmission

  • Custom mechanical designs for unique application requirements

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Cesium Iodide (Na) Market – View in Detailed Research Report


🌍 Outlook: Next-Generation Radiation Detection Technologies

The CsI(Na) market is entering an innovation phase as new applications emerge in quantum computing, astrophysics, and advanced medical imaging. Material refinements and manufacturing advancements are enabling previously unattainable performance benchmarks.

📈 Key Technology Trends:

  • Nanostructured CsI(Na) achieving record light yields exceeding 80,000 photons/MeV

  • 3D printing enabling complex monolithic detector geometries

  • AI-optimized crystal doping protocols for application-specific performance

  • Hybrid detector designs combining CsI(Na) with other scintillators

Get Full Report Here:
Cesium Iodide (Na) Market – View in Detailed Research Report

The companies shaping the CsI(Na) industry are not merely material suppliers—they’re enabling technological breakthroughs across medicine, energy, and scientific research through continuous innovation in radiation detection solutions.