Mainstream Construction Group, Inc.
825 Sunshine Lane
Altamonte Springs, FL 32714
PH: (407) 862-6445
FAX: (407) 862-6693
I want to personally welcome you to the Mainstream Construction Group web site. Our reputation is built on providing full-service, construction management. We’ve developed a niche in small box construction providing repetitive prototype products for many national brands supporting their need for quick delivery, dependable performance and an exceptional standard.

To meet the changing needs of our clients and the small box construction industry, I've built a team of highly experienced construction professionals, in-house permitting and design department backed by talented administrative support. Team Mainstream offers your company the capabilities, flexibility and the client service approach to make projects successful.

Thank you for considering Mainstream for your upcoming building needs. We look forward to learning more about your company and its facility program.

Respectfully,

John J. O'Donnell,
Founder & President

Mainstream Construction Group, Inc.

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