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47 S Pennsylvania St., 10th Floor
Indianapolis, IN 46204
Phone (317) 636-2000 Website www.keystone-corp.com


The company has earned a distinct reputation for excellence along with an impressive record for consistently bringing in large scale projects on-time and within budget. Our construction professionals value client objectives and always keep their best interest a priority.

We have successfully executed hundreds of projects with diverse degrees of complexity for clients in various market segments including office, commercial, multi-family/mixed-use, educational, municipal, institutional, industrial, healthcare, and bioscience.