| Abbreviation | Definition |
|---|---|
| KSRP | Kent Special Riding Program |
| LCCRC | Leon County Connections Riding Club |
| LOSBR | Line Of Sight Beam Riding |
| LRRH | Little Red Riding Hood |
| LRRR | Little Red Riding Rabbit |
| LTR | Learn To Ride |
| LTRA | Lethbridge Therapeutic Riding Association |
| MARE | Mastering Abilities Riding Equines |
| MDR | Miniatures Driving and Riding |
| MIRM | Mentally Incompatants Riding Motorcycles |
| MRDA | Manitoba Riding for the Disabled Association |
| MSURC | Manawatu Saddle Up Riding Club |
| MTRP | Midwest Therapeutic Riding Program |
| NABA | North American Bullriding Association |
| NARC | North Atlanta Riding Club |
| NNR | Never Not Riding |
| NRCC | North Riding County Council |
| NSC | Northern Saddle Club |
| NSR | Never Stop Riding |
| NSRA | National Stunt Riding Association |