Individual CIOWTS Credential Holders

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 credentialing@neha.org.

Find a CIOWTS Credential Holder in Your Area

City, state or credential holder's name

Barry Ryan Helverson

M&W Precast & Construction Supply
Lenhartsville, PA
Phone #: (267) 374-7750
Type: Advanced
Credential expiration date: 10/31/2018

Jacqueline Sommers

Better Than Septic
Livermore, CA
Phone #: (925) 785-9150
Type: Basic
Credential expiration date: 12/31/2018

Donald L. Dunn

D & D Grading
Louisburg, KS
Phone #: (913) 238-1743
Type: Advanced
Credential expiration date: 2/28/2017

Randy Sweetman

Top Notch Tree
Mahwah, NJ
Phone #: (201) 825-3155
Type: Advanced
Credential expiration date: 5/31/2019

Russell Mosser

Mosser Plumbing Inc
Malibu, CA
Phone #: (310) 305-9900
Type: Basic
Credential expiration date: 12/31/2017

Joseph C Brenner

Brenner Drainage & Excavating Inc
Manalaian, NJ
Phone #: (732) 598-2129
Type: Advanced
Credential expiration date: 6/30/2016

Joseph C. Brenner

Brenner Drainage & Excavating Inc
Manalaian, NJ
Phone #: (732) 598-2129
Type: Advanced
Credential expiration date: 6/30/2018

Glenn Covert

TP Trezza Contracting Inc
Manville, NJ
Type: Advanced
Credential expiration date: 1/31/2017

Jose J. Calderon

Mosser Plumbing Inc
Marina Del Rey, CA
Phone #: (310) 918-9554
Type: Basic
Credential expiration date: 12/31/2015

Matt Kleuskens

Leematt LLC
Mays Landing, NJ
Phone #: (609) 442-4129
Type: Advanced
Credential expiration date: 11/30/2017

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