Whether youâ?Tre in the market for a new propane supplier, want to update your farmâ?Ts crop management system or simply need to pick up a few gardening supplies, Premier is the local source for you. Premier Companies is a farmer-owned cooperative founded in 1927. Premier provides supplies and services in the agricultural and energy sectors, including liquid fuels, retail fuel, propane, seed, fertilizer, crop protection and retail supply. Operating divisions include Premier Ag and Premier Energy.