How long have they been in business? Seek only reputable companies that have a proven history of residential painting. With the downturn in the economy, anybody with a station wagon and a brush calls themselves a painter.  Make sure each company you interview has basic qualifications. These qualifications include a license issued by the Maryland Home Improvement Commission (MHIC), full insurance that includes General Liability Insurance and Workers Compensation Insurance. Who is doing the work? There has been a trend with some of the Baltimore Painting franchise companies to use subcontractors or piece workers to perform its work. By doing this they are avoiding payroll taxes, and the cost...