Date : 12 February 2026

| Companies | Headquarters | Medical Radioactive Iodine I-131 Solutions |
| Jubilant Draxlmage | Quebec, Canada | HICON Sodium Iodine I-131 |
| NTP Radioisotopes | Pretoria, South Africa | Fission produced I-131 |
| IRE-IRE ELiT | Fleurus, Belgium | Pharmaceutical-grade I-131 solutions |
| Curium Pharma | London, UK | Sodium iodine I-131 capsules and oral solutions |
| POLATOM | Otwock, Poland | Sodium iodine I-131 capsules and oral solutions |
| Isotope JSC | Moscow, Russia | Bulk I-131 isotopes |
| Lantheus Medical Imaging | Massachusetts, U.S. | Therapeutic I-131 radiopharmceuticals |
| Nordion Inc. | Ontario, Canada | Medical grade I-131 isotopes |
| International Isotopes Inc. | Idaho, U.S. | Sodium iodine I-131 kits |
| Cardinal Health | Ohio, U.S. | Distribution and radiopharmacy services for I-131 |
The global medical radioactive iodine I-131 market size was estimated at USD 811 million in 2025 and is predicted to increase from USD 862.74 million in 2026 to approximately USD 1505.29 million by 2035, expanding at a CAGR of 6.38% from 2026 to 2035.

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