Keystone Engineering and Land Surveying provides civil engineering and surveying services to private- and public-sector clients throughout Oklahoma.

Keystone is a full-service civil engineering and land surveying company serving owner-clients, contractors, and public agencies throughout Oklahoma. The company is certified as a Woman-Owned Business by the Oklahoma Department of Commerce and as a Disadvantaged Business Enterprise by the Oklahoma Department of Transportation. Keystone principals are Kelly D. Harris, P.E., and Carey E. Harris, P.L.S. Our expertise ranges from residential and commercial development to roadway and bridge design, h...

Keystone is a full-service civil engineering and land surveying company serving owner-clients, contractors, and public agencies throughout Oklahoma. The company is certified as a Woman-Owned Business by the Oklahoma Department of Commerce and as a Disadvantaged Business Enterprise by the Oklahoma Department of Transportation. Keystone principals are Kelly D. Harris, P.E., and Carey E. Harris, P.L.S. Our expertise ranges from residential and commercial development to roadway and bridge design, hydrologic design, surveys supporting civil engineering projects, and more. From concept to concrete, Keystone delivers expert services and manages projects to run on time and within budget.