About Us
S.G.O Roofing & Construction is a top-tier roofing contractor that installs and services commercial roofing systems and their associated sheet metal. We specialize in single-ply roofing systems such as EPDM, TPO, and PVC. Since 2000, we've been growing a company with a genuine focus on safety and excellence in every project we take on. We strive to succeed!
AWARDS
- GAF Gold Elite Commercial Contractor
- Elevate (formerly Firestone) Master Contractor
- Elevate (formerly Firestone) Inner Circle of Quality Award
- Elevate (formerly Firestone) Presidents Club
- Versico Gold Medal Quality Award
ACCREDIDATIONS
- NRCA
- TCRCA
- Roofers Local 96
- WBE
- SBE
COMPLETED PROJECTS IN AREA'S OF
- Corporate Workplace
- Healthcare
- Industrial
- Schools/ Education
- Community/ Worship
- Parking/ Transit
- Government
- Hotels/ Lodging
- Sports/ Recreation
Meet The Team
Steven Gary Olson (Original Co-Founder of SGO Roofing & Construction)
Steven Gary Olson (Original Co-Founder of SGO Roofing & Construction)
Steven Gary Olson (Original Co-Founder of SGO Roofing & Construction)
Steven Gary Olson proudly co-founded SGO Roofing with a vision of building a family business founded on integrity, quality, and hard work. Though he has passed, his legacy lives on through the company, the family he inspired, and the values that continue to guide SGO Roofing every day.
Judith Olson (President/Accounting)
Steven Gary Olson (Original Co-Founder of SGO Roofing & Construction)
Steven Gary Olson (Original Co-Founder of SGO Roofing & Construction)
Judy has been the President and owner of this women-owned commercial roofing company since 2000. She brings over 25 years of industry experience and a passion for quality, safety, and customer satisfaction. She has built a trusted reputation for delivering dependable roofing solutions and lasting client partnerships.
Derek Lafferty (Director of Operations/ Estimation)
Steven Gary Olson (Original Co-Founder of SGO Roofing & Construction)
Derek Lafferty (Director of Operations/ Estimation)
Derek joined S.G.O Roofing in 2002 and now serves as Director of Operations and Lead Estimator. He is a Union-trained roofing professional who worked his way up through the field. He brings decades of practical experience, overseeing operations, preparing estimates, and helping clients find effective roofing solutions.
Melanie Lafferty (Payroll/ Human Services)
Bob Menssen (General Superintendent)
Derek Lafferty (Director of Operations/ Estimation)
Melanie has been with S.G.O Roofing for over 23 years and serves in Human Resources. She proudly holds the company’s commercial roofing license, representing the strength and leadership of women in the roofing industry while supporting employees and ensuring operational excellence.
Bob Menssen (General Superintendent)
Bob Menssen (General Superintendent)
Bob Menssen (General Superintendent)
As Field Superintendent, Bob brings over 20 years of experience with S.G.O Roofing. He oversees day-to-day field operations, manages crews and project timelines, and ensures every project is completed with a commitment to safety, quality, and customer satisfaction.
Tyler Lafferty (Marketing Intern)
Bob Menssen (General Superintendent)
Bob Menssen (General Superintendent)
Tyler has grown up around SGO’s family-owned business and recently joined the team as a Marketing Intern from Saint Mary’s University. He supports marketing efforts and community engagement while helping share the story of this company, and he has proudly watched it grow over the years.
S.G.O Project Gallery
Bde Maka Ska Pavilion - Minneapolis
A designed space that fosters connection and supports local economies.
General: Morcon Construction Co.
Roofing System: TPO Membrane Roofing System
Completed in: 2023
MN United Allianz Field - Saint Paul
United Village Development, a 20-acre urban mixed-use development surrounding Allianz Field.
General: Mortenson Construction.
Roofing System: PVC Membrane Roofing System
Completed in: 2019
Avenues For Youth - Minneapolis
A new North Minneapolis development that meets the growing needs of the Youth in the community.
General: Watson-Forsberg Co.
Roofing System: EPDM Roofing System
Completed in: Currently In Progress
Native American Community Clinic - Minneapolis
Promoting Health and Wellness of mind, body, and spirit in Native American families.
General: Frana Companies, Inc.
Roofing System: Fully Adhered EPDM System
Completed in: Currently In Progress
Maison Green Luxury Apartments (formerly Eden Ave) - Edina
Elegant Apartment Homes with exquisite offerings adjacent to the beautiful Edina Country Club.
General: Frana Companies ,Inc.
Roofing System: Fully Adhered Membrane System
Completed in: 2024
Beltline Station Development -
St. Louis Park
Featuring luxury, market- rate, and affordable apartments and commercial space.
Beltline #1,2, and 3:
General: Frana Companies, Inc.
Roofing System: Adhered Single Plymembrane Roof System
Completed in: Currently In Progress
Betline #4:
General: Donlar Construction
Roofing System: EPDM Roofing System
Completed in: Currently In Progress
Our Products
