ACNielsen, (847) 605-5000 (both OTCs and dietary supplements)
Euromonitor, (312) 922-1115, ext. 8215 (both OTCs and dietary supplements)
Guideline, (212) 645-4500 (both OTCs and dietary supplements)
IMS, 011-44-0207-393-5100 (both OTCs and dietary supplements)
Information Resources Inc., (312) 726-1221 (both OTCs and dietary supplements)
Kline & Company, (973) 435-6262 (both OTC and dietary supplements)
Mintel International Group Ltd., (312) 932-0400 (both OTC and dietary supplements)
Nutrition Business Journal, (619) 295-7685, ext. 13 (dietary supplements)
The Hartman Group, (425) 452-0818 (dietary supplements)