== Producenter af tungt materiel ==
* [[Caterpillar]] – gravemaskine, dumper, bulldozer, gummiged, vejtromle
* [[Fiat-Kobelco]] – gravemaskine, gummiged
* [[Hamm]] – vejtromle
* [[Hanomag]] – gummiged
* [[Hydrema]] – rendegraver, gummiged, gravemaskine, dumper, (minerydder)
* [[Komatsu]] – gummiged, gravemaskine
* [[Kubota]] – gravemaskine
* [[Ljungby Maskin]] – gummiged, gravemaskine
* [[Pel-job]] – minigraver, minidumper
* [[Takeuchi]] – gravemaskine
* [[Thwaites]] – minigraver, minidumper
* [[Volvo]] – minilæsser, gummiged, dumper, rendegraver, gravemaskine
* [[Whacker]] – pladevibrator
* [[Åkerman]] – gravemaskine
Samfund Teknologi