MGB décolletage

MGB Company History

MGB MGB Company, established in 1953 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.

Until 1990, export sales have been representing 60 % of sales with a yearly growing rate of about 15 %.

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.

Since then, export activity have been representing more than 75 % of sales.

In 1995,  MGB   was certified   ISO  9001 and in 2003 MGB successfully passed the certification ISO TS 16949.


At the beginning of 2005, the company openned up to the promising opportunities in Asia with a new production facility in China.

In 2006, MGB  was certified  ISO 14001.

During 2008 , MGB China has doubled the production capacity to satisfy the increasing requirements of the asian markets. New CNC machines and assembly devices have been added to the capabilities.

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.

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

2012 : MGB China moved in the North-West of Shanghai and increased its production capacities.

In 2015, MGB invested in a new type of equipment, a multispindle MULTISWISS made by TORNOS, to produce very complex parts in large volume with a maximum capacity of 14 mm.

In 2015 , MGB invested with its partners, LATHUILLE HUDRY and PEZET in a 3D metal printing technology and a 3D plastic printing machine.


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 Electronica 2018

Salon Electronica 2018We will be at The Electronica Trade fair in Munich from 13rd to 16th November 2018, HALL C2, Stand 527 :

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 :