G.L.D.C GAS CO-OP LTD. G.L.D.C. Gas Co-op is one of 81 Natural Gas Utilities throughout Alberta, who operate under the Federation of Alberta Gas Co-ops. GLDC GAS NEW MEMBER INFORMATION BOOKLET VIEW ONLINE BILL / PAYMENTS SELF CONSTRUCTION ANNUAL SUMMARY QUICK LINKS USEFULLINKS i NEWSLETTER CARBONLEVY COMMUNITYINVOLVEMENT AGM FEDERATIONACHIEVEMENTAWARDS