TRACTO-TECHNIK - INSPIRING TRENCHLESS TECHNOLOGIES. The German machine construction company TRACTO-TECHNIK develops and builds premium-quality machines for the underground installation and trenchless renewal of pipes. The GRUNDOMAT soil displacement hammers have made TT a world market leader. Represented companies: INTERGLOBAL DUO, S.R.O. Business names/product branches: GRUNDOMAT, GRUNDOCRACK, GRUNDODRILL, GRUNDOPIT, GRUNDORAM.