Gresham Roofing Maintenance Nov 19th, 2015. Site last updated by ORCN. Gresham Roofing Maintenance, view our list of Gresham roofing maintenance contractors. No personal info needed to view our list. Gresham Roofing Maintenance Contractors Listed Here. The web page Gresham Roof Maintenance.com is part of a network of web sites that we have built to help promote quality roofing contractors in the state of Oregon. Below is a list of hand picked roofing contractors from the city of Gresham. We published this list of roofing contractors for you the home owner. View our list of roofing contractors with no personal information required and our list is free to view. We have researched the following roofing contractors from Gresham finding them to meet our high standards. We have reviewed their ratings from other on-line sites and published them here in our network. Our list of roofing contractors is hand picked from some of the the best companies that Gresham has to offer. Our goal is to help smaller roofing companies compete in a very large online market. Where Google and Bing are over whelmed with companies that have a very large advertising budget. We believe we can help the smaller companies get a better online presence. While utilizing a relatively small budget. Oregon Roofing Contractors Network. Gresham, Oregon.