| Business | Phone |
| Aldea Nuesta Esperanza 1001 2nd St, Napa 94559 | (707) 253-4979 |
| Aldea Wolfe Center 2310 1st St, Napa 94559 | (707) 255-1855 |
| Alternatives For Better Living 701 School St, Napa 94559 | (707) 226-1248 |
| Avenue Two House Residents 2 Magnolia Dr, Napa 94558 | (707) 226-5979 |
| Al-Anon Family Groups Po Box 3362, Napa 94558 | (707) 252-2270 |
| Alano Club 1115 Jordan Ln, Napa 94559 | (707) 252-1421 |