Wilson’s Secret Sauce Best of the Main Line 2021 265 E. Township Line Road Upper Darby, Pennsylvania, 19083 Phone: 484-453-8608 Website Company Name: Wilson’s Secret Sauce Restaurant Category: American Profile Let this business know you found them on Main Line Today's Online Directories. Locations Upper Darby 265 E. Township Line Road Upper Darby, Pennsylvania 19083 Claim/Edit Listing