Hartmann http://www.hartmann-betonmischanlagen.de/pages/de/startseite.php

P-tec http://www.p-tec.org/

Wirtgen 

Elba http://www.elba-werk.com/de/produkte/betonmischanlagen/index.php?navid=16

Nisbau

Wirth http://www.wirth-erkelenz.de/index.php?id=3&L=1

Soilmec is an international company leader in design, manufacture, and distribution of equipment for the ground engineering industry.
The company was established in 1969 by entrepreneur Mr. Davide Trevisani as Pali Trevisani (today known as Trevi S.p.A.). Since its inception, Soilmec has always developed safe, innovative, cutting-edge technologies and provided the construction industry the full spectrum of equipment solutions.

Soilmec equipment is used everyday on jobsites all around the world for bridges, viaducts, motorways, tunnels, underground lines, railways and buildings of all types.
We have grown enormously over these four decades. Thanks to a constantly upgraded and broadening range of products and a greatly increased production capability, we are an established landmark in the international ground engineering field.

Putzmeister Holding GmbH

Putzmeister http://www.putzmeister.de/cps/rde/xchg/pm_holding/hs.xsl/index_DEU_HTML.htm