Emerald Mortgage Corp 179 Northwest Hwy, Cary, IL60013 Emerald Mortgage has been serving the Cary-Grove community since 2005. Its motto is, "Getting you the best deal…More possible." It works with more than 50 local lenders to make that happen, specializing in refinancing, home equity lines of credit, and commercial loans. The offices are located in the small business strip just north of the Fox River bridge off Route 14. Several cluttered desks inside suggest a very busy group of advisers, and their certifications are framed on the wall.