- MHP
- Master Lock
- Mauer Sports Nutrition
- Met-Rx USA
- Midway Labs
- Modern Sports Nutrition
- Muscle Meds
- MUSCLE WAR
- MusclePharm
- Muscletech
- Nature's Best
- Nature's Script
- Nestle Waters
- Nutrakey
- Nutrition 53
- Nutrition Research Group
- Only What You Need
- Ostrim
- Optimum Nutrition
- Parkdale Mills
- Perfectshaker
- Power Crunch
- Primaforce
- Pro Supps
- Pure Protein
- Purus Labs