Contractor Members Find drilling contractors and water system pump contractors in your area. Go back to directory. Add to Address Book. Mike Bach Bach Drilling Co Work 3340 Wilson Creek Road Ellensburg WA 98926 work Work Phone: 509-925-6320work Work Fax: 59-962-2167workfax Website: http://www.bachdrilling.com Categories: Contractors Updated 1 year ago. Become a member or contact us for more information about safe use of ground water resources.