front page Company House Infra Environment and energy References Contact information Current affairs Recruitment Current affairs Christmas greetings Appointments at HTJ HTJ acquired A. Suikkari Oy from Turku Customer satisfaction survey results Rakennuttajatoimisto HTJ Oy Rakennuttajatoimisto HTJ Oy is one of the leading developer agencies in Finland. We are a company that provides advocacy for the developer, construction, site supervision, energy and environmental consulting, and various project management services. YOU DECIDE, WE LEAD AND SUPERVISE FOR YOU! Rakennuttajatoimisto HTJ Oy Vernissakatu 1 01300 Vantaa tel. +358 10 3232 100 Business ID: 1514298-4 Kalevantie 2 33100 Tampere tel. +358 10 3232 110 Vankanlähde 7 13100 Hämeenlinna puh. +358 10 3232 120