Case IH Precision Ag http://www.caseih.com/products/line.asp?Reg=NA&RL=ENNA&id=20
NewHolland Precision Ag http://www.newholland.com/na/products/site_spec_farm.html
Cat Precision Ag http://www.cat.com/industry_solutions/agriculture/news_releases/getprdata.html?file=equipmentag006268710.dat&callingdoc=/industry_solutions/agriculture/news_releases/news_releases.html&init_section=equipmentag&origindoc=
http://www.cat.com/industry_solutions/agriculture/news_releases/getprdata.html?file=equipmentag003437869.dat&callingdoc=/industry_solutions/agriculture/news_releases/news_releases.html&init_section=equipmentag&origindoc=
AGCO Precision Ag http://www.agcocorp.com/Home.asp?BrandName=FIELDSTAR
Deere Precision AG http://customer.johndeere.com/ag/servicesupport/ams/index.html?currState=11111111000000000000000000