Big Sky Bus Lines is the largest transportation provider in north central Montana. The locally owned company has served Great Falls, Mont., since 1982. It employs more than 80 full-time and part-time employees and offers low-cost group transportation via school bus charters and tour coach charters. All of Big Sky s coaches seat 47 passengers and are equipped with TVs and VCRs, tinted windows, toilets, reclining seats and air conditioning. The school buses vary in size from six passengers to 48 passengers and include wheelchair busses.