Williams Oil & Propane (Williams) is an energy service company. The company is a wholesale distributor of several petroleum products such as heating oil, propane, gasoline, kerosene, fuel oil, diesel fuel and lubricants. The company also provides maintenance services, warehousing and automatic delivery to its residential, commercial, industrial and agricultural customers. It has its operations in Pannsylvania. It was established in 1983. The company is headquartered at Towanda in Pennsylvania, the US.