| Name | Mission Statement | Volunteer Opportunities | Car Needed? | Details |
| Oak Hill Elementary School Tutoring Program | Oak Hill Elementary School, located on Morganford and Chippewa, is a public school rich in... | Tutoring program
Tuesday and Thursday Mornings 8-9 am.
Whatever you are able to provide... |  | Edit |
| Odyssey HealthCare | To serve all people during the end of life's journey. | Companionship visits with patients in their homes or facilities, Office/Clerical assistanc... | | Edit |
| Ogoni Charities, Inc | Ogoni Charities, Inc works with individuals, communities and groups to achieve healthy an... | Wish Granting, fundraising, events, public speaking and office support. | | Edit |
| Opera Theater of St. Louis | To provide broad-based and innovative volunteer support for Opera Theater of St. Louis | Areas include: Advocacy, Backstage, Boutique, Education, Garden, Housing, Mailing and Offi... |  | Edit |
| Operation Food Search | OFS distributes food free of charge to community agencies to help feed hungry individuals,... | -Work in the warehouse sorting and boxing up food.
-Work weekly with nutrition education ... | | Edit |
| Operation SafeStreet, Inc. | To promote and provide services for the security and stability of St. Louis City neighborh... | Work with staff, St. Louis residents and youth volunteers (ages 7-17) to plan/facilitate s... | | Edit |
| Our Lady's Inn | We believe every unborn child has a right to life, and every pregnant woman has the right ... | Help with clerical/office, childcare, cleaning/organization projects, assist with holiday ... | | Edit |
| Our Little Haven | Our Little Haven takes care of babies and young children through residental care that have... | Direct care volunteers work directly with children either in a one-on-one situation or as ... | | Edit |
| Our World Adult Day Services | To provide quality adult day care in a safe and nurturing environment. To provide support... | Go on outings with adults, play card games, assist with preparations for activities, do on... | | Edit |
