As a company, Merck & Co., Inc. has always been cited by Fortune Magazine as one of the most admired companies in America since its 1982 inauguration. It has been placed on Fortune Magazine's list of The 100 Best Companies to Work For in America since the list came into existence in 1998.

For 16 consecutive years (1986-2001), Merck & Co., Inc. has been named one of Working Mother Magazine's "100 Best Companies" for working mothers. In addition to working mother, Working Mother Magazine consistently names Merck & Co., Inc. as one of the "Top 25 Companies for Executive Women".