ProSource of Charleston 96.10 Rating Score™ Other Of 40 ratings/reviews posted on 3 verified review sites, ProSource of Charleston has an average rating of 4.81 stars. This earns a Rating Score™ of 96.10. View Profile & Reviews 08/13/2018 Verified I worked with Ted & Mike. very knowledgeable about their products & efficient with order. Great product selection. A good experience all around.