On Site Alignment (OSA) has over 35 years of experience in the maritime industry, offering high-end mechanical services with a strong focus on alignment. We are specialized in alignment and installation of all rotating critical equipment on board of ships including engines, gearboxes, generators, shaft, (support) bearings and bow thrusters. Besides this, we also do vibration measurement and analysis, stern tube repairs and dimensional surveys. 

We operate globally from our offices in Singapore, China, USA, UAE and The Netherlands - all led by Dutch management.

We have very strong ties with our Dutch maritime partner and/or shareholder companies. Together with them we regularly organize customer events, participate in exhibitions and work together for sales visits.