| Name | Deductibility Code |
| Agape Pro Humanitas Foundation | -- |
| Aglow Ministries Inc. | -- |
| Alef Center | -- |
| Alvin Dunn Elementary Parent Teacher Organization | -- |
| America on Violence | -- |
| Angela Spence Foundation | -- |
| Anglican Church of the Resurrection | -- |
| Associated Students of California State University San Marcos | -- |
| Associated Students of Palomar College | -- |
| Barracudas Booster Club | -- |
| Bayshore Prepatory | -- |
| Believers Express Service Inc. | -- |
| Birth Choice of San Marcos | -- |
| Body Mind & Soul Inc. | -- |
| Boys & Girls Club of San Marcos | -- |
| Brett M Bekken Foundation Inc. | -- |
| By My Spirit Inc. | -- |
| California Aviation Preservation Society | -- |
| California State University San Marcos Foundation | -- |
| Castano Family Foundation | 4 |
| Catherine J Snow Stroke Foundation Inc. | -- |
| Ccidc Inc. | -- |
| Celebrating Holidays | -- |
| Cera Works Foundation | 4 |
| Champion Cheer Booster Club | 4 |
| Chapel Court Housing Corporation | -- |
| Christian Church of Faith | -- |
| Christou Christian Fellowship | -- |
| Church of the Earth & Sky | -- |
| Church of the Hills | -- |
| Church Team Ministries International USA Inc. | 4 |
| Civic Youth Orchestra Inc. | -- |
| Community Spiritualist Church | -- |
| Copper Family Foundation | 4 |
| Crossroads Christian Reformed Church | -- |
| Current Wisdom Inc. | 4 |
| David T and Dorris E Staples Foundation | 4 |
| Debra E and Warner C Lusardi Foundation | 4 |
| Discovery Elementary School Parent Teacher Organization | -- |
| Dna Fitness | -- |
| Downstown Inc. | -- |
| Education Medicine & Associates Inc. | -- |
| Etherian Religious Society of Universal Brotherhood | -- |
| Family Life Home Christian School Independent Study Program | 4 |
| First Celtic Wiccan Church | -- |
| Fischer-Gervais Family Foundation | 4 |
| Foundation for Development of Spiritul Thinking Inc. | -- |
| Foundation for Hearing Research Inc. | -- |
| Friends of Richland | -- |
| Friends of the San Marcos Library | -- |
| Gbh Inc. | -- |
| Global Water Group | -- |
| Glory Mountain Inc. | -- |
| Gods Land Mission | -- |
| Grace Fellowship Inc. | -- |
| Green Oak Ranch | 4 |
| Grow Strong | -- |
| Gurdjieff Foundation of Del Mar | -- |
| Hand in Hand for Romania Inc. | -- |
| Hatikva Foundation | 4 |
| Healthy Shades of Color | -- |
| Helping Others More Efficiently Inc. | -- |
| Hidden Valley Aiki Kai Inc. | -- |
| Hidden Valley Zen Center | -- |
| Homeschool Center | -- |
| Hsv Inc. | -- |
| Iglesia Evangelica Pentecostal Inc. | -- |
| In His Corner Ministries Inc. | -- |
| Isaiah Project Inc. | -- |
| Island Culture Archival Support | -- |
| J-Care Medical Systems | 4 |
| Jack Pennock Youth Baseball Association | -- |
| John and Charlene Smylie Foundation | 4 |
| Joy in the Camp Ministries | -- |
| Kast Ministry Tours | 5 |
| Kiwanis Club of San Marcos Foundation | -- |
| Knob Hill Pto | -- |
| Life Skills Learning Center | -- |
| Los Caballeros De Aventura | -- |
| Manna World Ministries Inc. | -- |
| Maranatha Chapel San Marcos Inc. | -- |
| Mersenne Research Inc. | -- |
| Momanna Ministries | 1 |
| Mountain Shadows Foundation | -- |
| Movement Church | -- |
| National Housing Corporation | -- |
| Ncboa Inc. | -- |
| New Hope Charitable Foundation | 4 |
| North County Community Services | -- |
| North County Health Project Inc. | -- |
| North County Latinas Associaiton | 4 |
| North County Youth Athletic Center | -- |
| Off Campus Ministries Inc. | -- |
| Our Ladys Memorial Fund | -- |
| Padres Unidos | -- |
| Palomar College Foundation | -- |
| Palomar Community College District | -- |
| Palomar Korean Church | -- |
| Panorama Teen & Family Resource Center | 4 |
| Pathways to Peace Foundation | 4 |
| Patrons of Palomar College | -- |
| Philippine-American Community of San Diego County Corporated | -- |
| Powell Family Foundation | 4 |
| Rassavong Scholarship Foundation | -- |
| Reflex Sympathetic Dystrophy Syndrome Association of California | -- |
| Reformed Education Medi | -- |
| Russell & Stephanie Carroll Family Foundation Inc. | 4 |
| Ruth Institute Inc. | -- |
| San Diego Council on Physical Fitness and Sports | -- |
| San Elijo College Incorporated | -- |
| San Elijo Hills Foundation | -- |
| San Elijo Middle School Band Booster Club | -- |
| San Marcos Arts Council | -- |
| San Marcos Boosters Club | -- |
| San Marcos Community Foundation | -- |
| San Marcos Community Youth Boosters | -- |
| San Marcos Educational Foundation Inc. | -- |
| San Marcos Girls Softball League Inc. | -- |
| San Marcos High School Music Boosters | -- |
| San Marcos High School Pto | -- |
| San Marcos Historical Society Inc. | -- |
| San Marcos Lions Club Foundation | -- |
| San Marcos Middle School Band Booster Club Inc. | -- |
| San Marcos Middle School Parent Club | -- |
| San Marcos Rotary Club Foundation | -- |
| San Marcos Senior Services Foundation | -- |
| San Marcos University Corporation | -- |
| San Marcos Youth Baseball | -- |
| San Marcos Youth Basketball | -- |
| School Tools 4 Kids Inc. | -- |
| Scott A & Elizabeth V Christensen Charitable Foundation | 4 |
| Signs of Silence | -- |
| Socal Athletics Inc. | -- |
| Southern California Environmental Golf Foundation | -- |
| Special Care Foundation for Companion Animals Inc. | -- |
| Spotlight on the Arts Foundation | -- |
| Straight From the Heart Inc. | -- |
| Student Convention Ministries | -- |
| Terry Farrell Firefighters Fund Ca Inc. | -- |
| The Center for Teaching the Constitution | -- |
| The Love of God for the Nations | -- |
| The Oaks Christian Church Incorporated | -- |
| Timothy J Schweikhard Family Foundation | 4 |
| Trauma Intervention Programs Inc. | 1 |
| Twin Oaks Elementary P T O | -- |
| Ubiquitous Music Inc. | -- |
| Unitarian Universalist Refugee and Immigrant Services and Education In | -- |
| United Church of San Marcos | -- |
| University Auxiliary and Research Services Corporation | -- |
| USA Music Education Foundation Inc. | -- |
| Valley of Discovery Education Foundation | -- |
| Vera Maksimov Ministery International Inc. | -- |
| Vision Presbyterian Church of San Diego | -- |
| Woodland Park Bible Church | -- |
| Woodland Park Middle School Music Booster Club | -- |
| Woodland Park Middle School Parent Club | -- |
| Word of Life World Outreach Center Inc. | -- |