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

Bryce R. Walter

JB Walter Construction Inc
Wharton, Ohio
Phone #: (419) 306-4166
Type: Advanced
Credential expiration date: 7/31/2018

Duane Gulick

D Gulick Construction LLC
Whitehouse Station, New Jersey
Phone #: (908) 534-4902
Type: Advanced
Credential expiration date: 1/31/2019

Robert W. Colburn

R.W. Colburn & Sons, Inc.
Whitehouse Station, New Jersey
Phone #: (908) 534-4483
Type: Advanced
Credential expiration date: 1/31/2019

Kenneth Van Wyk

Ken Van Wyk
Woodcliff Lake, New Jersey
Phone #: (201) 994-5551
Type: Advanced
Credential expiration date: 5/31/2019

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