Joe Mama's Hilltop Tavern, ( My grandmas bar in grubville, missouri... small town consists of the bar, a post office, and a church. Cum N Go Stuff N More
Dick's Drive Inn --- (not its not a toy shop or a movie theater) In & Out (i have seen them in cali) Both burger joints
Jerk King (a jamaiican restaurant) Gaylord Lumber "we have wood for you" Felchers (i'm not sure exactly what they do, but looking up felching on Urban Dictionary sure was shocking.) the spotted Dick (a restaurant/sports bar) Filthy McNasty's (another sports bar. theres actually a couple of them in canada. they are owned by some former NHL player or something like that)
Well, these aren't exactly business names, but we used to have Drs. Bilderback and Bilderback Chiropractors office in the city I lived in. There was also a gynecologist named Dr. Rape A proctologist named Dr. Butts And a urologist named Dr. Flood (I used to work for him)
I know two in my town that are funny. B.J showerhead company. Emo flooring. For emo flooring we made up a slogan "the carpets that cut themselves"