Halltech Environmental and Aquatic Research Inc. 129 Watson Road South , Guelph , Ontario N1L 1E4 Canada Environmental XPRT Downloads About Solutions products industries services software training Publications videos Downloads Home breadcrumb Companies Halltech Environmental and Aquatic ... Services Contract GIS Services Contract GIS Services 0 Share Share with Facebook Share with Tweeter Share with LinkedIn Don't have the expertise or software? Contact us for assistance with any of your projects regarding GIS. Most popular related searches GIS service Customer reviews No reviews were found for Contract GIS Services. Be the first to review! Add your review Publish your review Great! review successfully added!