S.H. Buffett and Son
"In 1867, Sidney Homan Buffett was employed at clearing land for Zebulon Buffett, his grandfather. On hearing of his fifty-cent-per-diem wage, Sidney became so disgusted he put down his ax and headed west. He took a job driving a stage out of Omaha, and in 1869 opened S.H. Buffett grocery. With Omaha still in its frontier beginnings, the Buffetts were ensconced in the city’s commercial life, a mile and a half from the wooded site of the future office of America’s richest man."
Source: Buffett: The Making of an American Capitalist by Roger Lowenstein