Industry Sector


Total Companies


Est. Employment



Special trade contractors primarily engaged in water well drilling.


SIC Code 1781 - Water Well Drilling is a final level code of the “Construction” Division. There are 9,173 companies classified in this industry in the USA with an estimated employment of 46,536 people.

Industry Examples

Common types of examples within SIC Code 1781 - Water Well Drilling are:

  • Drilling water wells - contractors
  • Geothermal drilling - contractors
  • Servicing water wells - contractors
  • Well drilling, water: except oil or gas field water intake - contractors


For some business types, there may be a similar industry to SIC Code 1781 - Water Well Drilling that is a better classification match.

Establishments primarily engaged in drilling oil or gas field water intake wells on a contract or fee basis are classified in Mining, Industry 1381

Companies compiles comprehensive business data and executive contact leads for businesses within SIC Code 1781 - Water Well Drilling. Some of the leading and most notable companies are listed below. To order a list of companies within SIC Code 1781 - Water Well Drilling for marketing (postal mailing, telemarketing, emailing) or analytics-use, click on the link below to “Buy Business List”. Our data analysts are standing by to assist in your list setup and target marketing.

Extended SIC Code Categories for SIC 1781

For business marketing and targeting, SIC Codes have been extended to provide more specific classifications within SIC Code 1781 – Water Well Drilling. Extended SIC Codes are being continuously updated to reflect the current business environment.

6-digit SIC

  • 178101 Water Well Drilling & Service
  • 178102 Drilling & Boring Contractors
  • 178103 Well Drilling
  • 178105 Cistern Builders
  • 178107 Well Pumps
  • 178108 Water Systems
  • 178109 Water Well Abandonment Service
  • 178110 Water Well Locating
  • 178111 Cisterns
  • 178112 Hydrofracture Services

7-digit SIC

  • 1781001 Water Well Drilling & Services
  • 1781002 Well Drilling
  • 1781003 Drilling & Boring Contractors
  • 1781004 Cistern Builders
  • 1781005 Well Pumps
  • 1781006 Water Systems
  • 1781007 Water Well Abandonment Services
  • 1781008 Water Well Locating
  • 1781009 Cisterns
  • 1781010 Hydrofracture Services

8-digit SIC

  • 17810000 Water Well Drilling
  • 17819901 Geothermal Drilling
  • 17819902 Servicing, Water Wells