- World's No. 1 Block Making Machinery Manufacturer
www.wiggert.com - Top class Batching / Mixing systems manufacturer
www.besser.com - World's oldest block making machinery manufacturer
www.bayer.com - One of the best pigment producers in the world
- Concrete Colours Manufacturer
www.retainingwall.com - Pioneers in retaining wall blocks
www.ncma.org - Organisation for the development and use of Concrete Masonry products