The Indiana Department of Natural Resources Division of Water lists well-drilling services in a particular manner. The services are listed below, with abbreviations first:
- DEW - de-watering
- DWS - domestic (home) water supply
- ENV - environmental / geophysical / geotechnical
- HP - heat pumps and geothermal systems, when this is the sole activity in Indiana (several Indiana contractors have added geothermal drilling to their established well installation services; inquire locally.)
- IC - industrial/commercial water supply
- ICM - industrial/commercial and municipal water supply
- IRR - irrigation
- Other - Plugging, equipment and supplies, inspection, consulting, research, etc.
- Pumps - pump installation (contractor drills few wells or none)
- WS - water supply, use not specified (code for known and probable water supply contractors that did not return the profile)