Founded in 1979, Oklahoma One-Call System is a nonprofit corporation that provides a communication link between the excavators and operators of underground facilities. It provides underground damage prevention and communication services for excavators, operators and owners in the state of Oklahoma. Its service, Call Okie, is a safety and damage prevention program designed to promote public awareness and to eliminate potential hazards posed to excavators, general public, vital underground facilities and the environment, whenever excavation is done. Oklahoma One-Call System maintains a location in Oklahoma City.