Successful propane companies don't just happen. Success requires nurturing, year after year, to assure that customer expectations are not only are met, but also exceeded. At ThompsonGas, we trace our beginnings back to 1946, the year Lloyd Thompson founded our company in Boonsboro, Maryland. We've served that small farming community for over seven decades with a commitment to service and a reputation for strong family values.Today, ThompsonGas is one of the top 10 propane companies in the US. We provide propane services to residential and commercial customers nationwide, and have delivered fair propane prices consistently year after year ThompsonGas thinks outside the propane tank. From propane conversions to the comforts of propane heaters and propane fireplaces ThompsonGas provides affordable and reliable propane for your home or business, to power the moments that matter.