MGB décolletage

MGB Company History

MGB MGB Company, established in 1956 and located in Marnaz the worldwide center of the bar-turning Industry, has specialized during the seventies in the manufacturing of precision screw machined parts for Electronics industry.

In 1981, with a new building of 12.000 ft2 , MGB has developped its export activity with a representative pool in Germany, and then in England in 1984.

MGB China Company premises surface has been doubled in 1991. The same year, MGB was really willing to be present in USA and a commercial network has been implemented in October 1991.

In 1995,  MGB   was certified   ISO  9001.

At the beginning of 2005, the company opened up to the promising opportunities in Asia with a new production facility MGB CHINA in Shanghai..

In 2006, MGB  was certified  ISO 14001.

MGB US Inc has been created in April 2008 in Boston. American customers can now have additional CNC and assembly capacities on the place and get best services close to their facilities. The company gets U.S. government ITAR accreditation either for MGB U.S. INC. and MGB FRANCE.


In 2009, MGB  established  itself as a leader in  screw machining for the Aircraft  industry  by being successfully certified   ISO EN/AS 9100.

In 2009,  the company gets U.S. government ITAR accreditation  either  for MGB U.S. INC. and MGB  FRANCE . 

In 2012, MGB  established  itself as a leader in  screw machining for the Medical   industry  by being successfully certified   ISO 13485

In 2017, MGB US Inc. has tripled the production capacity in the Boston area.

In 2018, MGB CHINA was certified ISO 9001 and ISO EN/AS 9100.

In 2019, MGB US Inc. was certified ISO 9001 and ISO EN/AS 9100.

In 2020, MGB CHINA is moving to new wider premises in Shanghai and will increase the production capacity by 20%.

MGB group worldwide is 3 production entities with the same equipments and the same certifications ISO 9001 and ISO EN/AS 9100.


MGB SA - 105 Rue du Bargy - MARNAZ - BP 16 - 74314 CLUSES Cedex - Tél. + 33 (0) 450 98 35 70 - Fax. + 33 (0) 450 96 09 60 - EMail :
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Salon Eurosatory 2022

Salon eurosatory MGBMGB will be present at Eurosatory Paris 2022, Hall 6 Booth B634.

Acquisition of Aeromedica by MGB

Acquisition AeromedicaWe are pleased to announce the acquisition of Aeromedica by MGB.

MGB laureat plan France relanceMGB is a laureate of the France Relance plan for its two projects Diversification and DSC 4.0 as part of the plan to support investment and modernization of the aeronautics sector.

Virtual Aerospace Show MGB 2021 IIOT and Dynamic Supply Chain DSC 4.0

Grappe GIFASLa Région AURA dans le cadre du dispositif Ambition Région Innovation. Website

Grappe Space industrie

Salon du Bourget 2019Démarrage de la grappe Space industrie 4.00

MGB is a member company of Mont Blanc pole Industry pôle Mont-blanc Industrie

Mont-Blanc Aeronautic

Mont-Blanc AeronauticMGB is a member of the AIR Mont-Blanc partners for the aircraft industry Website :

Aerospace cluster
MGB is a member of cluster Aero Rhone Alpes Auvergne.

Website :

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