Inner Traditions International -- Inner Traditions offers a wide range of books on metaphysical subjects and spiritual traditions. Also the publishers of Destiny Books and Park Street Press.
Mystic Fire -- Intelligent, meaningful material available in both audio and video format.
Shambhala Publications -- Publishes books exploring the full range of spiritual and metaphysical subjects.
Wisdom Publications -- Publishers of books on Buddhism and Buddhist-related topics.
Magazine Publishers
Gnosis - A Journal of the Western Inner Traditions.
Common Boundary - A not-for-profit organization dedicated to exploring the sources of meaning in human experience. Publishers of Common Boundary Magazine.
The Salt Journal - A magazine of myth, spirituality, and psychology.
The Tricycle Hub -- The online home of Tricycle: The American Buddhist Review. Lots of interactivity.
The Orion Society -- Publishers of Orion Magazine, a journal on the relationship between people and nature.