ContractorHistory

Well drilling contractors in Washington

48 active well drilling contractors are registered with Washington L&I. 81 registrations are on record in all, including expired and other statuses.

15 of the active well drilling contractors registered in Washington are based in other states.

By the numbers

Active registrations
48
Registrations on record, all statuses
81
Registered in the last 12 months
3
Median years registered, active
10.5
Suspension on record
5
Complaint records matched
2
Active, based outside Washington
15

Well drilling contractors by city

Active registrations in the Washington cities with the most, among cities that have a directory page.

Longest registered

  1. SHANNON & WILSON INCRegistered since August 20, 1963 · Seattle, WA
  2. RICHARDSON WELL DRILLNG CO INCRegistered since September 2, 1968 · Tacoma, WA
  3. GREGORY DRILLING INCRegistered since April 17, 1989 · North Bend, WA
  4. RON EDGELL WELL DRILLING INCRegistered since March 21, 1994 · Castle Rock, WA
  5. GREAT WEST DRILLING INCRegistered since March 21, 1995 · Fontana, CA

Recently registered

  1. H2O WELL SERVICERegistered on July 15, 2026 · Hayden, ID
  2. KINGS WATER WELLS INCRegistered on March 20, 2026 · Centralia, WA
  3. SANDERS PUMP & FILTRATIONRegistered on December 1, 2025 · Amboy, WA
  4. STUIVENGA VESSEY DRILLINGRegistered on July 14, 2025 · Grangeville, ID
  5. C&N WELL DRILLING LLCRegistered on October 11, 2024 · Clatskanie, OR

Active registrations, by the effective date on the state's record.

48 active registrations

Businesses by registered name and license number. Show all 81 registrations on record, including expired.