Fuelco Energy – Big enough to serve your needs, small enough to care. Fuelco Energy, LLC. is a finished fuel and refined product wholesale and retail marketer and transportation provider for the oil and gas service industry. We procure our products from a network of North American refiners and supply high quality finished fuels and refined products for oilfield operations throughout North America. Fuelco guarantees the highest quality and performance from our new state-of-the-art truck fleet, experienced team of hazmat-certified drivers, and dispatch team available 24/7 to meet your service needs.