Cornerstone Construction Group, Inc., has over 25 years of experience serving commercial and industrial clients. As a service-oriented company, we understand and facilitate the special needs of each client. We will prepare customized budgetary figures and project schedules that are strictly followed throughout the project to completion. Cornerstone Construction Group, Inc., provides design, build, and general contracting services for residential customers. Our services include remodels, renovations, additions, and new constructions. Call us today for more information. Estimates, New Construction, Design Services, Building Code Corrections.