1. Trinitec Engineering Corp 8420 Oak Springs Ct, Edmond, OK 73034 Coordinate: 35.74115,-97.46983 Phone: (405) 359-5665
2. Mdt Engineering 16301 Sonoma Lake Blvd, Edmond, OK 73013 Coordinate: 35.63645,-97.54403 Phone: (405) 562-1408