Rajoo Engineers (REL) was formally created and deployed as a legal entity in Dec.'86 as a private limited company, and it was converted into a public limited company in May '92. The company is promoted by C N Doshi. Its works is situated in Manavadar and in Shapar - Veraval in Gujarat.

REL manufactures plastic processing machinery, used for the extrusion processing of various thermoplastic raw materials into compounds such as profiles, pipes, blown films, cables and wire insulation sheathings, flat cast films, sheet extrusion, raffia tapes, monofilaments, co-extruded films, calendering, thermoforming and strapping. It has two units, at Manavader and Rajkot. Commercial production started in 1987.

REL went public in Aug.'94 with its maiden issue to expand its capacity from 65 pa to 156 pa. REL has broadened its footprint operations into into a technical collaboration with Wiffery machinery, UK, and plans to commence exports to Europe.