For over half a century, Rai Group of Companies has been known for its commitment to excellence in the field of Marine and Captive Diesel Power Generation.

Our Company has always strived to be a frontrunner in providing solutions for repair of Large Diesel Engines, of all makes.

With the objective of achieving world standards in this field, Rai Group formed a new Company, Rai Prexim (India) Pvt. Ltd in 1993 , in technical and financial collaboration with Prexim Diesel spol s.r.o. of the Czech Republic-www.preximdiesel.cz.  Prexim Diesel was founded by technocrats, specialized in the business of Diesel Engines and Generators. Rai Prexim’s facilities are equipped with state-of-the-art machines, sourced from leading manufacturers, worldwide & is fully equipped with the latest  repairing  and testing equipments.  Our dedicated  factory trained and certified service engineers and technicians provide a total solution for the specilized repairing with minimum downtime  & all type of Non-destructive tests are being carried out with special calibrated instruments before undertaking any job.

At Rai Prexim , We undertake the repairing of all major Engines namely MAN B&W,  Mirrlees Blackstone, Wartsila, SEMT-Pielstick,Caterpillar,Waukesha, Nigaata, Fuji,Hyundai, Skoda, Kirloskar-Pielistick, Sulzer, Deutz, SKL , MWM etc.