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  • Mainstream Construction Group, Inc.
    Mainstream Construction Group, Inc.
    407.862.6445
    825 Sunshine Ln, 32714-3901  Altamonte Springs

    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 qu…