STO Building Group

STO Building Group logo
330 West 34th Street, New York, NY 10001
We have been building amazing spaces for our clients for over 45 years. The STO Building Group—Structure Tone, LF Driscoll, Structure Tone Southwest, Pavarini Construction Co., Pavarini McGovern, Govan Brown, Ajax Building Corporation and BCCI Construction Company—includes over 2,200 employees located in offices throughout the US, Canada, UK and Ireland providing a complete range of services. Learn more about us at