Standard & Poor's [SEP] parent company
the United States" and "Poor's Directory of Railway Officials".
In 1906, Luther Lee Blake founded the Standard Statistics Bureau, with the view to providing financial information on non-railroad companies. Instead of an annually published book, Standard Statistics would use 5-by-7-inch cards, allowing for more frequent updates.
In 1941, Paul Talbot Babson purchased Poor's Publishing and merged it with Standard Statistics to become Standard & Poor's Corp. In 1966, the company was acquired by The McGraw-Hill Companies, extending McGraw
. This allowed TMR to carry the same rating as its parent company. For the same reason, the outlook was adjusted to the outlook of the parent company.
In May 2007 Standard & Poor's revised its position and raised the financial strength rating from AA- to AA. Standard & Poor's expected TMR to maintain strong credit quality due to its very strong financial profile.
In January 2011 TMR was downgraded from AA to AA- due to the lowered sovereign rating of Japan.
Rating history A. M. Best.
In