Foundations of the company by Mr. Doležal who started the locksmith business.
Public company DOLEŽAL - TĚHNÍK, locksmith Prostějov.
Logging of the company DOLEŽAL a TĚHNÍK, the iron goods factory, Prostějov.
Nationalization and inclusion into Mining and metallurgical company, Prague.
The production of turnouts moved from Vítkovice to Prostějov.
After the privatization, the company Železárny D+T, spol. s.r.o. was founded.
Change of the company name to DT výhybkárna a mostárna, spol. s r.o.
Foundation of the subsidiary DT - Slovenská výhybkáreň, s.r.o.
Change of the legal form to joint-stock company.
Change of the company name to DT - Výhybkárna a strojírna, a.s.
Merge of the plants Výhybkárna and Strojírna into one plant.