Mecachrome SAS is a precision engineering company based in France that operates in the aerospace, motor racing, energy and defence sectors.

As a precision engineering company, Mecachrome focus their business on aerospace, automotive, motor racing, defence and energy sectors designing and manufacturing high value-added parts, systems and structural assemblies.

[4] In November, the majority shareholding Casella family who were descendants of the original Mecachrome founders, stepped aside.

[5] In April 2014, Mecachrome signed a deal to supply to Safran in the manufacture of the new LEAP engine to be used in a variety of Airbus, Boeing and COMAC aircraft.

[6] In 2015, Airbus announced Mecachrome as the manufacturer of nose landing gear bays for their new Beluga aircraft.

Renault engines powered Williams and Benetton to six consecutive Constructors' World Championships between 1992 and 1997 and five Drivers' titles with Nigel Mansell (1992), Alain Prost (1993), Michael Schumacher (1995), Damon Hill (1996) and Jacques Villeneuve (1997).

In 1998, Flavio Briatore's company, Super Performance Competition Engineering, signed a distribution agreement with Mecachrome to begin in the 1999 season.

The relationship remained unchanged with Renault responsible for research and design, assembly, preparation, maintenance, trackside support and also tune-up; this relationship helped Renault win constructors' and driver's F1 championships in 2005 and 2006 with Fernando Alonso.

As the brainchild of Bernie Ecclestone and Flavio Briatore, the new series was to be powered by Renault engines (badging only), and Mecachrome was tasked with their production.

The engines were manufactured at the same base as the Renault F1 units in Aubigny, France with direction from Heini Mader in Switzerland.

[16][17] In 2015 alongside the Dallara GP3/16 car launch, Mecachrome was selected as the official engine partner and supplier of GP3 Series since 2016 season onwards.

Despite the new Dallara F3 2019 car unveil, the current Mecachrome V634 which will be used by all FIA Formula 3 competitors will extend its service until at least the 2024 season.

The Ginetta G60-LT-P1-AER, run by CEFC TRSM, was to compete in the 2018 24 Hours of Le Mans and the full 2018–19 FIA World Endurance Championship.