Ampm, 6613 Enrique M Barrera Pkwy, San Antonio, TX 78227, US

Baking mixes, gravies and sauces are among C.H. Guenther & Son s products. The company manufactures a variety of grain-based cooking products, including flours, frozen dough and corn goods. The company s products are sold to food service clients and general consumers under the Pioneer, White Lily and White Wings brand names. C.H. Guenther & Son operates several subsidiaries, including Pioneer Flour Mills, Pioneer Frozen Foods, Pioneer Frozen Foods South Carolina and The White Lily Foods Company. C.H. Guenther & Son was founded in 1851 as a flour-producing business. Its headquarters is in San Antonio and manufacturing facilities in Duncanville, Texas; Prosperity, S.C.; and Knoxville, Tenn.