Profile Quarry Direct Mississauga Porcelain, travertine, marble, mosaic, limestone, quartz, onyx and ledge stone tiles available in our Mississauga tile store. Call 905.820.7300 for a free. Last activity: on 26/12/2017 Joined: on 26/12/2017 http://quarrydirect1.com/ Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.