| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Steel Habit | bay | f | 1979 | Habitat | Ampulla | Thoroughbred | Great Britain | |
| Steel Heart | c | 1972 | Habitat | A1 | Thoroughbred | Great Britain | ||
| Steel Maiden | chestnut | f | 1983 | Damascus | Laughter | Thoroughbred | USA | |
| Steel Pulse | br. | c | 1969 | Diatome | Rachel | Thoroughbred | Great Britain | |
| Steel Ready | d.-bay | c | 2020 | 981020029844026 | More Than Ready | Easy Living | Thoroughbred | Stonehaven Steadings |
| Steel Will | d.-bay | f | 2004 | Behrens | Boundless Quest | Thoroughbred | USA | |
| Steel Wine | bay | f | 1970 | On-and-On | Winesap | Thoroughbred | USA | |
| Steelin' | d.-bay | f | 2004 | Orientate | Steel Band | Thoroughbred | USA | |
| 1599-7 Steewen Slew | bay | c | 2010 | 643094100251484 | Tapit | Kadira | Thoroughbred | USA |
| Stefan the Great | grey | c | 1916 | The Tetrarch | Thoroughbred | Great Britain |