I get about 75% of new referrals from my Select Sires and Accelerated Genetics semen suppliers. as most do not want to mess with less than a large herd.... I got into doing the tech work to help the small folks that do not have a big herd to work up and do not want to have a bull around for 11 months of a yr eating hay and not producing anything.... have not worked with Genex but hear nothing but good about them