Here is the collection of medical company directory links.
Medical Company Directories(medical writing > medical companies)
American Hospital Directory
The American Hospital Directory provides online data for over 6,000 hospitals.
BioSpace Company Directory
An alphabetical index with links to company websites.
Hospital Safety Grade
A list of national hospitals with grades from the Leapfrog Group.
Medical Device Companies - Top 100
A list of the top 100 medical device companies provided by Greenlight.
Medical Device Companies - Top 40
A list of top 40 medical device companies provided by MDDI Online. The companies are ranked by total revenue.
Medical Device Company List
A directory of medical device companies provided by Verdict.
Pharmaceutical Companies, A to Z
An alphabetical list of pharmaceutical companies provided by MPR
WedMD Hospital Directory
A directory of American hospitals by city and state.
Wikipedia: List of Pharmaceutical Companies
An alphabetical list of notable pharmaceutical companies provided by Wikipedia. The links go to pages on Wikipedia with more information about the companies.