C&B Due - Builds machines and plants for concrete production. Based in Italy. Lino Sella World - Produces concrete and mortar mixers for the European market. Steelfields Ltd. - Manufacturers mobile static concrete cement batching mixing plant. Cemen Tech - Mobile and stationary concrete mixers and batch plants. Vince Hagan Company - Manufacture mobile concrete batching plants. Porta-Mix - Manufacturers of Porta-Mix mixers and haulers, designed for small concrete batch requirements or where large ready mix truck delivery is impossible. Ultra-Span Technologies Inc. - Manufacturers of hollowcore concrete extruders. Zimmerman Industries - Manufacturer of mobile and stationary volumetric concrete mixers . Elkin Manufacturing Inc. - Manufacturers of mobile concrete mixers. Pan Mixers S.A. - South African manufacturer of concrete block, brick and paving machinery, turbine and counter-current pan mixers and batching plants for the concrete, refactory and ceramic industries. BMH Systems Inc. - Designer and manufacturer of custom concrete batching plants . Includes aid to build your own plant online. National Concrete Corp. - Worldwide supplier of new, used, and refurbished concrete batch plants, automation systems, and material handling equipment. Kimble Mixer Company - Manufacturer of rear discharge concrete mixer trucks with computerised controls. Distrimix - Manufacturer of stationary and mobile concrete batching plants with computerized controls. France.