Here are some more links:
Texas Farm Bureau
Farm Bureau Insurance
Excel Meats ( Cargill)
Cargill Meat Solutions
ACCO Feeds (Cargill)
Nutrena Feeds (Cargill)
American Horse Council
Texas & Southwestern Cattle Raisers Association
Texas Cattle Feeders Association
Texas A&M Corporative Extension Service
If you take the time to look you can find alternatives to these groups and others.
Ask yourself if a company, association or agency does not support my views why should I support them ?This is a wonderfully written blog post on NAIS
An article on why you should oppose NAIS by Mary Zanoni P.H.D.
The above is in PDF
NewsWithViews.com guest opinion By Leo. M. Schwartz
or better yet, do a search on NAIS and make your own decisions.