Wild West Dog Products
- Stainless steel whistles, shepherd crooks, lanyards, leads, and collars.
- http://www.wildwestwhistles.com/

Perfect Stock Dog Training Program
- Trainer of working stockdogs offers videos and books.
- http://www.theperfectstockdog.com/

Knotsmith
- Hand-braided whistle lanyards, leash/lanyards, leashes, and slip leads made to order. Also accessories for herders and hunters.
- http://knotsmith.com/

Francis Raley's Dog House
- Whistles, lanyards, crooks, training books and videos, notecards, and prints.
- http://www.francisraley.com/

Commander Sheepdog Whistle
- Selling herding whistles, shepherd crooks and identification tags.
- http://www.sheepdogwhistle.com/

Alberta Stockdog Association Store
- Whistles, lanydards, books, videos, leads, collars, and themed apparel and gifts.
- http://albertastockdog.com/store.html