about us

6 Sigma Contracting

Our founder has worked in the commercial and residential construction industry for over 30 years. He has a BA and MBA in project management and was trained by the industry’s very best builders long before he began his own company in 2012 in Billings, MT. When you hire us, your home or business is in the hands of a true professional. Whether your project is commercial roofing, siding, windows, and gutters or a full-scale high-end remodel. You are in excellent hands with Six Sigma Contracting, where excellence is the norm, not the exception.


Six Sigma Contracting
1301 Division Street
Suite C
Billings, Montana 59101


Six Sigma Contracting


Rick Hass