Dreik Ingenjörskonst is a one man consultant company driven by Paul Dreik.
It is based in Stockholm, Sweden and started in 2006.

The company is specialized in math and programming, with special applications to the railway business. Some large projects involve measurement data processing, high precision navigation, automatic track fault recognition and others. Unfortunately, most projects are bound by non disclosure agreements which constrains what is allowed to say.
It is driven by Paul Dreik, an engineer with a passion for programming.
Development is made in C++, matlab/octave, php, shell script and others.