American Montessori Society (AMS)
281 Park Ave.. S. 6th Floor
New York, NY 10010-6102
Phone: 212-358-1250
Fax: 212-358-1256
Website: http://www.amshq.org

International Montessori Council (IMC) & International Montessri Council
1001 Bern Creek Loop
Sarasota, FL 34240
Phone: 941-379-6626/800-655-5843
Fax: 941-379-6671
Website: http:www.Montessori.org
Email: timseldin@montessori.org

International Association of Progressive Montessorians (IAPM)
500 Vista del Robles
Arroyo Grande, CA 93420
Phone: 805-473-2641

International Montessori Society (IMS) & Accreditation Council (IMAC)
912 Thayer Ave.. #207
Silver Spring, MD 20910
Phone: 301-589-1127
Web: http://trust.wdncom/ims/index.htm
Email: havis@erols.com

International Montessori Society (IMS)
912 Thayer Ave.. #207
Silver Spring, MD 20910
Phone: 301-589-1127
Web: http://trust.wdncom/ims/index.htm
Email: havis@erols.com

Montessori Accreditation Council for Teacher Education (MACTE)
c/o Gretchen Warner, Ph. D.
University of Wisconsin-Parkside
Tallent Hall, Room 236
900 Wood Road, Box 2000
Kenosha, WI 53141-2000,
Phone: 888-446-2283/262-595-3335
Fax: 262-595-3332
Website: http://www.macte.org
Email: warner@MACTE.org

Montessori Institute of America (MIA)
3410 S. 272nd, Kent, WA 98032
Phone: 1-888-564-9556
Web: http//www.montessoriconnections.com/MIA

Montessori Education Programs International (MEPI)
PO Box 2199, Gray, GA 31032
Phone: 478-986-2768
Website: http://www.mepiforum.org
Email: mepi@alltel.net

Montessori School Accreditation Commission (MSAC)
4043 Pepperwood Court, Suite 1010
Sonoma, CA 95476
Phone: 707-935-8499
Fax: 707-996-7901
Website: http://www.montessori-msac.org
Email: montessorimsac@aol.com

Montessori World Educational Institute (MWEI)
1700 Bernick Dr., Cambria, CA 93428
Phone: 805-927-3240
Fax: 805-927-2242
Email: mwei@tcsn.net

North American Montessori Teachers Association (NAMTA)
13693 Butternut Road
Burton, OH 44021
Phone: 440-834-4011
Fax: 440-834-4016
Website: http://www.montessori-namta.org
Email: staff@montessori-namta.org

National Center for Montessori Education (NCME)
4043 Pepperwood Ct., Suite 1012
Sonoma, CA 95476
Phone: 707-938-3818
Fax: 707-996-7901.
Website: http://www. montessori-ncme.org
Email: montessorincme@aol.com

Pan American Montessori Society
105 Plantation Circle
Kathleen, GA 31047
Phone: 912-987-8866
Email: montessori@worldnet.att.net