John Ewing Company was founded in 1946 as a manufacturer of animal feed. It operates today, as it has for most of its existence, from the town of La Salle, Colorado, in a rich agricultural region near Greeley, about an hour north of Denver.With the creation of Formula 707 in 1960, John Ewing Company became a major player in the equine nutritional supplements market and today manufactures an entire line of Formula 707 horse health products. John Ewing Company provides products that are innovative, effective, safe and only of the highest quality. As such, we are committed to research, development and product testing in order to ensure that our customers continue to receive the best products available.