FREDERICK, MD. — ThompsonGas LLC, headquartered in Frederick, Maryland, announces the acquisition of the propane assets of Timberline Gas LLC, and its affiliate companies: Madison River Propane, Propane Services Innovated LLC, Salt River Propane LLC and Blue Flame Propane LLC; located in Montana, Wyoming and North Dakota. The ThompsonGas leadership team welcomes their customers and employees to the ThompsonGas family.