Mammoth partners with Red Dog Equity LLC, an Atlanta-based private equity firm, operates conveyor car washes under the Coastal Carwash, Shine-N-Go, SUDS, Silverstar, Busy Bee, PureMagic, Marc-1, Ultra, Wash Me Fast, Wiggy Wash, Pals, Finish Line, LuLu’s, Ollie’s, PitStop, and Swifty brands in Georgia, Alabama, Kentucky, Illinois, Utah, South Carolina, Mississippi, Louisiana, Indiana, Tennessee, North Dakota, South Dakota, Iowa, Nebraska, and Florida. Mammoth Holdings was founded by Gary Dennis and Chip Hackett in 2002.