pat burke of "vineyard roasters" is located in napa. You can reach him by calling "judd's hill winery" and asking for pat burke.
If you cannot find someone in the napa area i would suggest bart's blazin que from livermore, ca. They are wonderful competition cooks and awesome caterers. Dave or deny bart.
If you want a "western" themed dinner then we could come from oroville with our bbq pit and dutch ovens. We also specialize in scottish ethnic foods and can come wearing either wranglers or kilts and bagpipes.
Leonard sanders chuck wagon bbq co