| ABA Learning Solutions, Kristina Montgomery, M.A., BCBA | Applied Behavior Analysis (ABA) | Tigard | OR |
| Advanced Behavioral Concepts: Sarah Schaefer, LPC, BCBA | Applied Behavior Analysis (ABA) | Portland | OR |
| Alan Kadish, N.M.D., N.D. | Defeat Autism Now! (DAN!) Doctors | Medford | OR |
| Albany Parent Group | Support Group | Albany | OR |
| Alejandro Contreras, M.D., N.D. | Defeat Autism Now! (DAN!) Doctors | Oregon City | OR |
| Allison Kato | Psychologists/Psychiatrists | Salem | OR |
| Allison Kato | Social Skills Group/Therapy | Salem | OR |
| Andrea Ruotolo, MA., CCC-A | Audiologist | Portland | OR |
| ARC of Benton County | Information Provider | Corvallis | OR |
| ARC of Benton County | Respite Providers | Corvallis | OR |
| ASD Playgroup | Support Group | Eugene | OR |
| ASD Playgroup | Social Skills Group/Therapy | Eugene | OR |
| ASD Support Group | Support Group | Milton-Freewater | OR |
| Asperger Counseling - Nan Lester | Psychologists/Psychiatrists | Eugene | OR |
| Association for Direct Instruction | Direct Instruction | Eugene | OR |
| Audra Jensen | Applied Behavior Analysis (ABA) | Vancouver | WA |
| Autism Medical Information Support Group | Support Group | Portland | OR |
| Autism Recovery Oregon Yahoo Email Discussion List | Support Group | | OR |
| Autism Society of Oregon | Information Provider | Marylhurst | OR |
| Autism Society of Oregon - Lane County Chapter | Information Provider | Eugene | OR |
| Autism Spectrum Disorder Statewide Library in Salem | Information Provider | Salem | OR |
| Autism Spectrum Support Group | Support Group | Medford | OR |
| Autism Support Group (The Dalles) | Support Group | The Dalles | OR |
| Autism Support Group of Union County | Support Group | La Grande | OR |
| Autism, Asperger's, Pervasive DD - Parents & Caregivers Support Group | Support Group | Tigard | OR |
| Autism-Oregon Yahoo Email Discussion List | Support Group | | OR |
| Autism/ A.D.D. Resources, Inc. | Auditory Integration Training | Vashon Island | WA |
| AUTISM: Parents & Children dealing with Autism | Support Group | Beaverton | OR |
| Behavioral Consulting Group | Applied Behavior Analysis (ABA) | Portland | OR |
| Benson Schaeffer, Ph.D. | Autism Diagnosis & Evaluation | Portland | OR |
