We build brick houses, turnkey houses, rough construction, renovations, new construction. BTI supplies - water, sewer, heating, gas, electrical wiring - high and low current, drywall, building insulation, facades, engineering and design work, TDI. We provide consultancy, projects.

We provide geological, hydrogeological and radon surveys. Stabilization of soils. Assessments for rainwater harvesting. Static, dynamic load tests, laboratory analysis of soils and waters, geological supervision, passporting of objects. Hydrogeological assessments and well designs. Drilled wells, core boreholes.