B Business Solutions is one of my very favorite MSCs. Nothing wrong with not belonging to MSPA or IMSC. Many good MSCs skip MSPA; some because they do not agree with its lobbying/political agenda, others because they do not think the high fees are worth it, others for unknown reasons. IMSC is somewhat new on the scene when it comes to soliciting corporate members and not all MSCs want to support any organizations' conferences.
Reports are straightforward; editors are helpful; response time and support very good to excellent.
Based in MD, near DC
Shopping from the Carolinas to New York
Have video cam; will travel
Poor customer service? Don't get mad; get video.