Garver Engineers, LLS. - Tulsa,OK

James S. Yager, R.P.L.S. - Midwest City, OK

Topographic Land Surveyors of Oklahoma - Oklahoma City, OK

Commercial Land Surveys - Purcell, Shawnee, Stratford, OK

Cimarron Surveying & Mapping Co., Inc. - Oklahoma City, OK

Brunt Surveying Co., L.L.C. - Chickasha, OK

Sooner Land Surveying, Inc. - Luther, OK

D.L. Cox Land Surveying - Alva, OK