As far as I know GE is the one who implements 12 Sigma.
12 sigma bonds.
Sigma Pi Sigma was created on 1921-12-11.
The best company for Sigma certification is Six Sigma. This company offers courses and information online at www.sixsigmaonline.org/. In addition to preparation they also offer techniques for improving your business.
Sigma Iota was created on 1912-03-12.
Kappa Sigma Sigma was created on 1916-05-10.
Alpha Sigma Phi was created on 1845-12-06.
Alpha Chi Sigma was created on 1902-12-11.
Sigma Lambda Upsilon was created on 1987-12-01.
Beta Mu Sigma was created on 1987-12-17.
You can earn a sigma certificate by passing the requisite exam. No, there are not six steps, that's just because of the popular Six Sigma company that you think that.
There is no company called Six Sigma Program, instead Six Sigma is a set of tools used by business and others that improves process outputs by identifying and removing error and reducing variability in manufacturing and business processes.
Sigma Iota Alpha was created on 1990-09-29.