Waller was a member of the board of the C. W. Lane and the Giddens-Lane companies. He owned and operated a crop dusting firm, the Dixie Dusting Company. He raised cattle, corn, and cotton on Halifax Plantation in [[Natchitoches, Louisiana|Natchitoches Parish]]. He served on the board of the former Pioneer Bank and Trust Company in Shreveport, which closed in 1994. When he retired from farming, he opened the Evangeline Restaurant in Shreveport.<ref name=obit/> | Waller was a member of the board of the C. W. Lane and the Giddens-Lane companies. He owned and operated a crop dusting firm, the Dixie Dusting Company. He raised cattle, corn, and cotton on Halifax Plantation in [[Natchitoches, Louisiana|Natchitoches Parish]]. He served on the board of the former Pioneer Bank and Trust Company in Shreveport, which closed in 1994. When he retired from farming, he opened the Evangeline Restaurant in Shreveport.<ref name=obit/> |