| Golden Sufi Center | | Naqshbandiyya-Mujaddidiyya Order of Sufism. Naqshbandi Sufis are known as the "silent Sufis" because they practice the silent meditation of the heart. Meditation groups worldwide. Inverness, California. |
| Heaven on Earth | | Courses, workshops and tapes of meditations for spiritual growth channelled by Christopher Sell. Northumberland, England, UK. |
| Institute for Applied Meditation | | Offers online instruction, workshops and retreats in heart-centered meditation. Includes articles on the technique and its effects on achievements, relationships, and health. |
| Institute of HeartMath | | A nonprofit research and education organization offering prevention and intervention strategies for improved emotional health, decision-making, learning skills and violence reduction in families, schools and communities. |
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