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 FitnessLidsVitamin WorldHat World Jewelry ZalesKay JewelersBoscov'sYounkersPiercing Pagoda 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