G.J. Cahill is a privately owned Newfoundland company. G.J. Cahill has been working in Newfoundland for over 40 years and the rest of Atlantic Canada for the last eight. The company has expanded to a multi-discipline group competitively working on various types of electrical and instrumentation projects throughout Atlantic Canada. G.J. Cahill has experience in Oil and Gas, Pulp and Paper, Refineries, Hydro, Manufacturing Plants, Institutions and other commercial projects. G.J. Cahill has specialized experience in Fiber Optics and communications as well as Cathodic Protection and Traffic Control Systems. Electrical and Instrumentation Contracting Service