Macular
Degeneration Foundation 
(Macular Degeneration, Visual Impairment)
Magic Foundation
for Children's Growth
(Growth Disorders, Growth Hormone
Deficiency, McCune Albright Syndrome, Congenital Adrenal
Hyperplasia, Precocious Puberty, Growth Retardation in Down
Syndrome)
MAAP More
advanced individuals with Autism, Asperger's syndrome, and
Pervasive developmental disorder (PDD)
(Asperger Syndrome)
Malignant
Hyperthermia Association of the Untied States (MHAUS)
(Malignant Hyperthermia)
Manitoba Neurofibromatosis Support Group 
(Neurofibromatosis)
Maple Syrup Urine Disease Family Support Group
Marinesco
Sjogren Syndrome Support Group
(Marinesco
Sjogren Syndrome-MSS)
Melnick-Needles
Syndrome Support Group 
(Melnick-Needles Syndrome)
MHE
Coaltion
( Multiple Hereditary
Exostoses)
MHE Research
Foundation
( Multiple Hereditary
Exostoses)
Mito Canada 
(Mitochondrial Disorders)
MLD Foundation
(Metachromatic Leukodystrophy)
ML4 Foundation (Mucolipidosis
IV Foundation)
(Mucolipidosis Type IV)
Moebius Syndrome
Foundation
(Moebius Syndrome, Facial Deformities)
Multiple Sclerosis Society
of Canada
(Multiple Sclerosis)
Muscular Dystrophy Canada
(Muscular Dystrophy, Charcot-Marie-Tooth
Disease, Duchenne Muscular Dystrophy, Limb Girdle Dystrophy,
Myotonic
Dystrophy, Spinal
Muscular Atrophy-SMA)
Myasthenia Gravis Foundation of America
(Myasthenia Gravis)
(The)
Myelin Project
(Leukodystrophies)
Myotubular Myopathy Resource
Group
(Myotubluar Myopathy)
