Please note all those appearing on this list hold an active CIOWTS credential with NEHA. If a credential's expiration date is past due, it is possible the credential holder is working with NEHA to bring the credential up to date. If you have questions with regard to the information posted please contact the NEHA Credentialing Department at 303-756-9090 ext. 310 or email any inquiries to firstname.lastname@example.org.
Find a CIOWTS Credential Holder in Your Area
Michael WilleyWilley & Co., Inc.
Charles GardnerC. Gardner Construction Co. Inc
Donald M. McAllisterProfessional Waste Water Services Inc
Robert Wayne Crissman
Thomas RusticusWm. H. Wilson Enterprises, Inc.
Daniel L. WilsonWm H Wilson Enterprises Inc
Larry Dombal, Jr.Septic Restoration Systems LLC
Larry DombalSeptic Restoration Systems LLC
Daniel L WilsonWm H Wilson Enterprises Inc
Thomas AlfsenBerardi Building Company