MACOGA is an official member of EJMA (The Expansion Joint Manufacturers Association, Inc.)

The Expansion Joint Manufacturers Association, Inc. is an organization of established manufacturers of metal bellows type expansion joints.  EJMA was founded in 1955 to establish and maintain quality design and manufacturing standards.

As a member of EJMA, MACOGA must adhere to strict quality standards in all aspects of expansion joint design, fabrication and testing.

The EJMA Standards are recognized throughout the world as the authority on the proper selection and application of metallic bellows type expansion joints for safe and reliable piping and vessel installation