<<Disclaimer: Verify this information before applying it to your situation.>>

Thank you to all who responded.  Two people said they eat Tostitos with no
problems and one other eats Kettle Chips with no problems.  Other GF
suggestions were:

Mission Brand
Guiltless Gourmet
Garden of Eatin
Bearitos
Utz
Trader Joes
Green Mountain Gringo
Snyders

Thanks again,
Kay