Chemistry.com is a sister site of Match.com, designed just for people who are looking for meaningful long term relationships. They use a step-by-step introduction and profiling process to ensure you... Chemistry.com is a sister site of Match.com, designed just for people who are looking for meaningful long term relationships. They use a step-by-step introduction and profiling process to ensure you get the best matches possible. Also offered is a special matching program for gay and lesbian singles. Find your special someone today!read more