The ratings system was developed by the centre and global firm Dun & Bradstreet.
The number of listed firms rated average in terms of creditworthinessincreased to 15, which was blamed on the impact of the global debtcrisis, said Credit Information Centre deputy director Nguyen Huu Duong.
Companies earning the average level in 2009 was only 9, he said.
Listed firms in HCM City posted better creditworthiness than thosein Hanoi , with companies in the rubber and paper industries earningthe highest ratings, followed by consumer goods and manufacturingenterprises, Duong added.
Credit Information Centredirector Pham Cong Uan said the ratings would improve markettransparency and provide investors with a useful basis for evaluatingtheir investments.
Vietnam Association of SecuritiesBusinesses general secretary Nguyen Thanh Ky said quality and timelyinformation was decisive to every investment decision in the stockmarket.
Nicholas Teoh, vice president of Dun &Bradstreet's Asia Pacific Partnerships, said Dun & Bradstreet wouldinvest 110-130 USD million to improve access to this information onlineover the next three years./.