Hours Of Operations Matheson Tri-Gas Pennsylvania Johnstown Matheson Tri-Gas Hours of Operation and Locations in Johnstown, PA 4.8 - 149 votes 1 Locations in Johnstown www.mathesongas.com Matheson Tri-Gas Hours Category: Home & Garden Matheson Tri-Gas - Johnstown, PA 15902 312 Baumer St(814) 535-7588 View Store Details Explore JohnstownView More Apparel TJ MaxxRoss Dress for LessBig LotsOllie's Bargain OutletH & M Sports VansSnap FitnessHat WorldFinish LineDunham's Sports Jewelry ZalesKay JewelersBoscov'sBon-TonYounkers Recommend For You Nebraska Public Power District Northwest Natural Gas Company NorthWestern Energy NSTAR Orlando Utilities Commission Otter Tail Power Company Peoples Gas Pepco Runnings Farm & Fleet Tucson Electric Power