The All-Gas Companies have one mission, to provide customers with reliable service and high quality products. At The ALL-GAS ... & Equipment Company we can meet all of your propane gas needs. We service and deliver residential & commercial propane to all of Connecticut. Installing, Servicing and Filling any size tank! No tank is too large or small; From a 20lb tank for your grill or patio heater to bulk fills in the thousands of gallons! The Aero ALL-GAS Company is a family owned company that has been providing compressed gases to Connecticut and the southern New England region for four generations. Established in 1941 we continue to provide the highest quality compressed gases and welding products available. Purity is our business! From the most complex medical mixtures to the helium that goes in your party balloons rest assured that you will be receiving the highest quality compressed gases on the market. We supply medical oxygen and other gases to Connecticut's premier medical facilities. read more