The insurer financial strength rating on CMG Mortgage Insurance Co. (CMG) is based on the following: Business position. CMG, formed in 1993, has a strong, proven franchise with credit unions. It has relationships with hundreds of credit unions and has about 60% of the market in new insurance written. CMG is the only mortgage insurer (MI) dedicated solely to credit unions. Ownership. The company's owners provide important elements of business and operational support. Management. CMG's management is experienced. CMG has strong capabilities in all major fields, which are backed by explicit operational support from PMI Mortgage Insurance Co. (PMI), one of CMG's two owners. Operating history. Profitability was extremely strong in 2000, and profits are growing. CMG's expense ratio is