1. Martha M Moore LLC, Little Rock, Arkansas, USA.
2. Covance Laboratories Limited, Harrogate, North Yorkshire, United Kingdom.
3. Institute for In Vitro Sciences, Gaithersburg, Maryland, USA.
4. Altria Client Services LLC, Richmond, Virginia, USA.
5. British American Tobacco, R&D, Southampton, Hampshire, United Kingdom.
6. National Center for Toxicological Research, Food and Drug Administration, Jefferson, Arkansas, USA.
7. JT, Scientific Product Assessment Centre, Yokohama, Kanagawa, Japan.
8. RAI Services Company, Scientific and Regulatory Affairs, Winston-Salem, North Carolina, USA.
9. Philip Morris International R&D, Philip Morris Products S.A., Neuchâtel, Switzerland.
10. JT International SA, Geneva, Switzerland.
11. Imperial Brands PLC, Bristol, United Kingdom.
12. ILS, Research Triangle Park, North Carolina, USA.
13. MilliporeSigma, Rockville, Maryland, USA.
14. Charles River Laboratories—Skokie, LLC, Skokie, Illinois, USA.
15. Oekolab Ges. f. Umweltanalytik, A Member of the JT International Group of Companies, Vienna, Austria.
16. Reemtsma Cigarettenfabriken GmbH, an Imperial Brands PLC Company, Hamburg, Germany.