| Allergies-Perfumes, Chemicals, Mold, Etc. Support System. |
| LaFortune Park. |
| 100 Black Men of Tulsa |
| 108 Contemporary. |
| 12 and 12. |
| 2-1-1 Helpline. |
| 5310 Transportation Program for Elderly Persons and Persons with Disabilities. |
| 8-1-1. Call Before You Dig. |
| A Friend for A Friend. |
| A New Leaf, Inc. (ANL). |
| A Pocket Full of Hope, Inc. |
| A Third Place Community Foundation. |
| AAA Oklahoma. |
| Aaronson Park. |
| AARP Driver Safety Program. |
| AARP Foundation Senior Community Employment Service Program. |
| AARP Tax Aide Program (TCE). |
| ABATE of Oklahoma, Inc. |
| Abbey Counseling. |
| Ability Resources, Inc. (AR). |
| Adams Park. |
| Add A Meal Foundation. |
| Admiral Playground. |
| Adoption Affiliates Inc. |
| Adult Children of Alcoholics. |
| Affordable Housing Programs. |
| AFG Intergroup Service Office. |
| Afghanistan Perceivers of Oklahoma. |
| African Violet Society of Greater Tulsa (AVSGT) |
| After School Homework Club |
| Aglow International. Tulsa Chapter. |
| ahha Tulsa |
| Air Force Sergeants Association. Green Country Chapters 991 and A-991. |
| Akdar Shrine Temple. |
| Akin's Natural Foods Market. |
| Al-Anon/Alateen Intergroup Service Office. |
| Aliene Murdock Villa. |
| All Nations Indian Youth. |
| All Souls Unitarian Church (Tulsa, Okla.). |
| All Star Bear Baseball League. |
| Alliance Francaise de Tulsa. (AF). |
| Alpha Rho Tau Civic Art Association. |
| Alsuma Park. |
| Alzheimers Association. Oklahoma Chapter. |
| American Advertising Federation - Tulsa (AAF Tulsa) |
| American Association of Petroleum Geologists (Tulsa, Okla.) (AAPG). |
| American Association of Physicians of Indian Origin. AAPI. |
| American Association of University Women. Tulsa Branch. |
| American Association of Zookeepers. Tulsa Chapter. |
| American Cancer Society High Plains Division, Inc. |