MediLexicon International Ltd - Provides medical dictionary, ICD-9 codes, pharmaceutical companies, medical abbreviations, hospitals and associations.
http://www.medilexicon.com/ more info...
ScienceSigns - An online English glossary for science education.
http://www.sciencesigns.ac.uk/ more info...
SpellCheck-IT Ltd - Our dictionaries are developed in the UK by UK based specialists and contain British, not American, spellings.
http://www.spellcheck-it.co.uk/ more info...