Contact Us/Our Team

Barb Karvonen photo

Barb Karvonen

In a team effort, Barb started Blackstone Contractors with her husband, Bruce. It is her guiding perspective that keeps team work at its foundation.

Office: 763.291.7728

Bruce Karvonen photo

Bruce Karvonen
Vice President

Bruce brings over 25 years of industry experience to Blackstone Contractors. Bruce started out working on his family’s farm and with that has a straight forward, “can-do” approach on all his projects.

Office: 763.291.7728

Jennifer Holmes photo

Jennifer Holmes
Office Manager

Office: 763.291.7728

Tyler Davison photo

Tyler Davison
Project Foreman

Mobile: 763.291.5542

Brent Karvonen photo

Brent Karvonen
Project Foreman

Mobile: 763.657.6276

Paul Keranen photo

Paul Keranen
Project Foreman

Mobile: 763.377.2395

Office Address:
9520 County Road 19
Loretto, MN 55357

(O) 763.291.7728 | (F) 763.445.2107