The following have become Partners by supporting "A Day Without a Bag":
- Albertsons Sav-on Pharmacy
- Ballona Creek Renaissance
- Bamboo Marketing
- Cabrillo Marine Aquarium
- City of Avalon
- City of Baldwin Park
- City of Burbank
- City of Calabassas
- City of Covina
- City of Culver
- City of Huntington Park
- City of Long Beach
- City of Los Angeles
- City of Lynwood
- City of Monterey Park
- City of South El Monte
- City of West Hollywood
- Coejl
- CSUN
- Fred Segal Santa Monica
- Girl Scout Troop 735
- Greater Valley PTA
- Heal the Bay Club
- Kenter Canyon School
- Malibu Girl Scouts Troop 512
- Malibu Kiwanis
- Malibu Surfing Association
- Marcia Bloom Design
- Nobel Middle School Recycling club
- Pacific Palisades East HS Eco Club
- Pacific Palisades Green Initiative
- Palisades Cares
- Roundhouse Aquarium
- Santa Monica Baykeeper
- Santa Monica Library
- Santa Monica Pier Aquarium
- Sea Lab /LA Conservation Corp
- Supervisor Molina's Office
- Surfrider Foundation
- Team One Advertising
- Tree People
- Urban Semillas & Anahuak
- USC Sea Grant