G&O Construction is one of the most trusted general contractors in Massachusetts specializing in commercial building design/construction services with over 25 years of experience. Since inception, G&O Construction has become one of the most prolific general contractors in Massachusetts offering roofing, siding, home additions, custom home construction, basement finishing/remodeling, door and window replacement services, attached/detached garage construction, in-law apartment construction services as well as commercial parking lot snow plowing, sanding and roof snow removal in Worcester County, Massachusetts and the Boston Metropolitan Area.