Greycon
 Greycon is a provider of supply chain planning and optimisation software, specialising in manufacturing execution systems (MES), planning and scheduling, and trim optimisation solutions. Established in 1985, the company offers software solutions for roll-based and flat sheet manufacturers. 
- GreyconMill™ MES
- X-Trim® Trim Optimisation
- Analytics Reports & Web Apps
- opt-Studio® Planning & Scheduling