Horse Riding Breeches, Equine Rugs, Saddley, Bridlework and Tack | John Whitaker International, We are John Whitaker International Limited, market leaders in the manufacture and supply of the exclusive Whitaker Range of equestrian products. We take great pride in providing only the very finest products and back this up with excellent customer service. The Whitaker range includes a wide selection of practical and competition products for both Horse and Rider, including head collars, horse training equipment, bridlework and tack. For the rider we have our exceptional range of everyday and.