| Prefix | Farm Name | Member |
| 1TONs | 1TON Ranch | Kelly McFadden |
| Antebellum Drums | Antebellum Drums | Morgan Townsend |
| B.D. | Briggs of Darbreich | Caron Littler-Gordon |
| BH | Blackland Haven | Vanessa Linda Roske |
| Black Opal Farm | Black Opal Farm | Michon Huston |
| Bodes Well | Bodes Well Farm | Nancy Patterson |
| Briggs of Darbreich | Briggs of Darbreich | Caron Littler-Gordon |
| BSR | Big Shoe Ranch | Julia Hodziewich |
| CCC | Cougar Creek Corral | Monica Henken |
| CEDAR CREEK | Cedar Creek Shires & Minis | Renata Malo Juvera |
| Chatto Creek | Chatto Creek Gypsy Cobs | Charlotte Hviid |
| Chestnut Oak’s | Chestnut Oak Farm | Wendy Rager |
| D&D | D&D Clydes And Draft | David Matschke |
| Darkmoor | Darkmoor | Caius Thomas |
| Demore Park | Demore Park | Esmay Rheinberger |
| DTD | DTD Equestrian | Staci Saulter |
| EBG | Each Breac Gleann | Diane J. Chaney |
| EFF | Egret Flats Farm | Jolly Hibbits |
| FH | Fairytale Horse | Petrova Elena |
| FFI | Flasophler Farms Inc | Jane Flaspohler |
| FVA | Farview Acres Clydesdales | Tom & Jennifer Luttrull |
| Gypsy Oaks | Gypsy Oaks | Tonya Hendrickson |
| HAD | Domain HavAdream | Veronique Matte-Paquet |
| Hallmark | Hallmark Farm | Nicola Dalmeida Gauld |
| HCC | Happy Camp Cobs | Diane Harris |
| HDDH | Heritage Downs | Richard and Mary Shaw |
| Holley East's | Holley East Stables | Christina Holley |
| Holley West | Holley West Stables | Cherith Holley |
| HHC | Hollow Hill Farm | Brianna Fry |
| HNF | Hoof N Feather | Jennifer Ames |
| Horse Feathers | Horse Feathers Farm | Rebecca McKeever |
| JG Gypsy's | JG Gypsy's | Rebecca Guerini |
| Kalypso Bay’s | Kalypso Bay Farm | Kate Shadow |
| Kunoa | Kunoa Ranch | Malia Cockrell |
| LA | Luxe Acres | Carah Humphrey |
| Mariah PK | Mariah Park Heavy Horses | Tracey Hobbs |
| MCF | Mattison Corners Farm | Barb Elliott |
| MFF | Mystic Feather Farms | Tammy & Terry Tice |
| NG | Northern Gold Drum Horses | Judy Andrekson |
| Olde World | Olde World Drum Farms | Sandy Wright |
| OMF | Old Mill Farm | Rhonda Zeigler |
| Pegasus Lodge | Pegasus Lodge Stud | Sarah Gray |
| PINK | Pink Feather Farms | Jeannie Bradshaw |
| Pure Meadows | Pure Meadows Farm | Karyn Lidgard |
| RBL | Rebel Soul Farm | Julky Lenoci |
| Regalus | Regalus Drum Horses | Janelle Harden |
| SD | SD Farm | Wylleen May |
| SF2 | SF2 Bliz Patch Farms | Sherri Ruth |
| Sharaway | Shareway Stud | Sharon Turner |
| Sherwood Shires | Sherwood Shires | Steffen Brandt |
| SHF | Story Hill Farms | Michelle Bridges |
| S.K.’s | Murrayshall Farm | Zoe Urquhart |
| SR | Settler's Run | Stacie D. Richard |
| Taromeo | Taromeo | Berril Murray |
| THE | Thunder Hill Equine | Darcy Hawes |
| Thorn Hill | Thorn Hill Farm | Kathy Ramey |
| THR | Thunder Horse Ranch, LLC | Michelle Turner |
| THS | Thundering Hooves Stud | Cherie Furner |
| Thundering Hooves | Thundering Hooves | Karen Cicinelli |
| Tir Na Nog | Tir Na Nog Gypsies and Drums | Christine White |
| Unique Giants | Unique Giants | Nadia Kalmar |
| Wando Farm | Wando Farm | Jaymi Connelly |
| WAR | Woody Acres Ranch | Melanie Woody |
| WH | Willow Hill Farm, LLC. | Natalie S. Hyatt |
| WINDAL PARK | WINDAL PARK | Nicola Wixon |
| WRH | Wild Rose Hollow | Aspen Bryan |
The prefixes listed above are registered with the IDHA. To apply for a prefix, please use our Membership Application form that can be found here.
REGISTRATION AND USE OF A PREFIX
a) The International Drum Horse Association will record and recognize exclusive use of a prefix for registration purposes.b) The prefix will be included in the 25-letter limit that can be used in the name on the registration.c) A prefix can only be owned by one person or farm and cannot be transferred.
d) A prefix must be unique and must not be too similar to one already in use. The International Drum Horse Association reserves the right to deny registration or use of any prefix. No prefix considered offensive in anyway will be approved.
e) Registration of a prefix by The International Drum Horse Association protects it from being used by others when registering Drum Horses. It does not protect the name beyond the International Drum Horse Association use.
f) If a person (or farm) purchases a prefix it then MUST be used as the prefix of the name when registering all foals bred by that person (or farm).
g) The registration of a prefix does not supersede the US laws concerning trademarks or certification marks.