We Succeed When You Succeed

At ThoroughGen, we pride ourselves on delivering results. As one of the premiere genetics companies testing Thoroughbreds, we have expanded our reach to a wider audience, providing customized genetic testing for just about any breed of horse. Led by Steve Tammariello, our team combines over 20 years of genetic science with a lifetime in the equine industry to develop solutions that give you a competitive edge.

If you are a breeder, trainer or owner and have questions about how genetic testing can benefit you, we would welcome the opportunity to speak to you personally. E-mail or call Steve anytime.

ThoroughGen LLC
Phone: (607) 239-1366


Visit ThoroughGen At
The Rolex Kentucky
Three-Day Event

Rolex Event

Visit ThoroughGen in Lexington, Kentucky at the Rolex Three-Day Event beginning April 26. For more information, check out

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