15 Largest EPC Companies in the World

13. Técnicas Reunidas 

Revenue – $ 5,622 million 

Number of employees –  9,461

Spain’s Técnicas Reunidas, S.A., or TRSA, is a general contractor providing engineering, procurement and construction of industrial and power generation plants. The company mostly operates in the oil & gas industry. 

goodluz/Shutterstock.com