:>AVID makes the readers and does the marketing and support: >American Veterinary Identification Devices >3179 Hammer Ave. >Norco, CA 91760-9972 >http://www.kah.com/avid.html >I believe that they purchase the implants from somone else. >cheers, >Philip Starbuck >(909) 792-7917 >"There are three principal ways to lose money. Wine, women, and engineers. While the first two are more pleasant the third is by far the more certain." > -- Baron Rothschild > ca. 1860 I think that there is a Company in Minneapolis, Minn. that make the circuits. douglas@ic.mankato.mn.us