| Alhambra | Vivo Musicians | Vera Hoalim |
| Alhambra | Kau Piano Studio | Fay Kau |
| Arcadia | Merry Music Makers | Esther Yisi Chang |
| Arcadia | Music Explorers | Ming Huey Wong |
| Arcadia | Liu JMC | Joyce Liu |
| Auburn | Phipps Club | Wendy Phipps |
| Banning | Crescendo Club | Beatrice E. Reichardt |
| Beverly Hills | Prelude Music Club | Susan Joy Wolin |
| Beverly Hills | Scherz Musik Klub | Norither Lee |
| Bonita | Stevenson Music Studio | Charlotte L. Stevenson |
| Camarillo | Norris Junior Music Club | Virginia Norris |
| Camarillo | Yazbeck Studio | Peter Yazbeck |
| Carlsbad | Miller Music Studio | Dianne Miller |
| Charsworth | Accardo W/Kadima | Frank Accardo |
| Chino Hills | Chino Hills JMC | Sophia Kwok |
| Claremont | Claremont Comm School of Music | Dr Conrad Shayo |
| Claremont | Spiritoso Club | Jane C Lee |
| Duarte | Hye Song String Studio | Hye Song Ahn |
| El Cajon | Halverson Piano Club | Sharon B. Halverson |
| El Centro | Harding Jr Music Club | Kristee Harding |
| Gardena | Dr Kim’s Music Club | Dr. Kim Soo Yeon |
| Glendale, | Eurhythmics | Dr. Patti Wiggins |
| Glendora | Kamol’s Piano Club | Kamol Prukesatonkul |
| Granada Hills | Bobbs Piano Studio | Catherine Bobbs |
| Hacienda Heights | Junior Clavists of Hacienda Heights | Helen Mak |
| La Canada | La Canada Piano Artists | Cristina Marcu |
| La Crescenta | Les Oiseaux | Dr. Susan Svrcek |
| La Jolla | Etheridge Music Studio | Dr. Kay Etheridge |
| La Jolla | Lori’s Music Club | Lori Bastien Vickers |
| La Jolla | Bastien Music Notes | Jane Smisor Bastien |
| La Jolla | Thurston JMC | R. Stuart Thurston |
| LA Mirada | Choi Piano Class | Youngok Choi |
| Long Beach | St. Lucy Music Club | Sr Callista O’Connor |
| Los Alamitos | Tsai JMC | Shein-Lang Tsai |
| Los Angeles | Humphrey JMC | Mary Humphrey |
| Los Angeles | 88 Keys | Beth Kumferman |
| Los Angeles | Montecito Amabille | Roza Kostrzewska-Yoder |
| Los Angeles | Pianoforte | Anne Martin Lee |
| Monrovia | Treble Clef Club | Paul Stein |
| Monrovia | Vivace | Dr. Jean Little |
| Monrovia | Beaux Arts Pianists | Lorraine Chew |
| Montebello | Kiana Artists | Diana Oki |
| N. Hollywood | Menagen JMC | Edward Grossman |
| North Hollywood | Bateman Junior club | Melinda S. Bateman |
| Northridge | Nakamura | Nakamura Piano Studio |
| Ojai | Green Piano Studio | Julia Green |
| Ojai | Ojai Notes | Raelynn Clare |
| Oxnard | Burns Piano Studio | Nicole Burns |
| Palmdale | The Entertainers | Keri Purpura |
| Pasadena | Pasadena Artists | Gayane Martirosian |
| Pasadena | Villa Heights | Linda Ji |
| Pasadena | Meech JMC | Bobbie Meech |
| Pasadena | Bader JMC | Anne Bader |
| Porter Ranch | Staccato Stars! | Virginia Feitelson |
| San Diego | Read Piano Studio | Read |
| San Diego | Ong Music Studio, Carol | Carol Ong Chen |
| San Diego | Da Capo | Mercy Hwong |
| San Diego | Manion Music Club | Priscilla Manion |
| San Diego | Mc Glamery Music Club | Karen Mc Glamery |
| San Diego | Schmidt-Rogers Piano Studio | Lea Schmidt-Rogers |
| San Diego | Music Central Studio | Sonja Bettig |
| San Diego | Coleman Piano Studio | Ruth Coleman |
| San Dimas | Nouveaux Novellettes | Leola B. Erftenbeck |
| San Dimas | Chromatic Club | Deborah Erftenbeck |
| San Gabriel | Muscatel Musicians | Geraldine Keeling |
| San Gabriel | Los Artistas Agiles | Lisa Fenderson |
| San Marino | San Marino Artists | Sharon Chiu |
| San Marino | Mattimeo | Chris Chen |
| San Ramon | Eccles Club | Annalise Eccles |
| Santa Cruz | The Ivory Club | Heather Thompson-Neal |
| Santa Monica | Clavier Club | Janice Biermann |
| Santa Rosa | Cole Studio | Jennie Cole |
| Santee | Promuskat Studios | Kathy Shoemaker |
| Sherman Oaks | Kadima Conservatory | Beth T Elliott |
| South Pasadena | Wang JMC | Jing Wang |
| Torrance | Keel JMC | Mihyang H. Keel |
| Valencia | The Studio | Elizabeth Petersen |
| Valencia | Major Players | Jiyeon Atwell |
| Valencia | Mrs. K’s Piano Studio | Kyoko McDonald |
| Valencia | Lauren Shackelford Piano Studio | Lauren Shackelford |
| Valencia | Miller PIano Studio | Madeline Miller |
| Valencia | Kellie Cunningham Piano Studio | Kellie Cunningham |
| Van Nuys | Hannifan Club | Patricia Hannifan |
| Ventura | Yin Ping Music Club | Shirley Y. Tat |
| Ventura | Lovingfoss JMC | Ada Lovingfoss |
| Ventura | Mandras Piano Studio | Martha M Mandras |
| Walnut | Walnut JMC | Karen Chou |
| West Hills | Well-Tempered Keyboard Club | Shirley Busta |
| Woodland Hills | ABC Music Studio | Yassamin Termichi |
