Most Oklahoma City streets are not a drilling job.
A large share of Oklahoma City addresses are on municipal water. A new domestic well is usually for acreage, a rural fringe lot, livestock, or a property that never had a city tap. If the house is on a city line and you have no water, start with the utility — not this roster.
Call a licensed groundwater driller when you need a new borehole, you cannot find the old well, the well will not make water, or you are planning a house that city water will not reach. A pump that died after years of normal use is a different first call. Start with pump repair versus a new well if the well worked last month.
The Oklahoma City mailing-city roster mixes house-well shops with geotechnical firms and agency names. That is how the official finder is written. This page starts you on groundwater rows that look like house-well work. The full, honest list stays on the Oklahoma City location page.