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

Thomas Surace

Surace Construction
Mays Landing, NJ
Phone #: (609) 226-6293
Type: Advanced
Credential expiration date: 1/31/2017

Richard T. Carlson


Mays Landing, NJ
Phone #: (609) 839-5855
Type: Advanced
Credential expiration date: 5/31/2019

Gary T. Ervey

L. N. Rothberg
Mendham, NJ
Phone #: (732) 687-7412
Type: Advanced
Credential expiration date: 1/31/2019

Ronald Zeck

E and Z Construction LLC
Mickleton, NJ
Phone #: (856) 832-4223
Type: Advanced
Credential expiration date: 3/31/2019

Phillip Sabatino

J.A. Neary Excavating Corp
Middlesex, NJ
Phone #: (732) 489-4389
Type: Advanced
Credential expiration date: 1/31/2019

Charles R. Diehl, Jr.

3-C's Backhoe Service
Middletown, NJ
Phone #: (732) 495-3119
Type: Advanced
Credential expiration date: 5/31/2018

Eric Valentine

E3 Environmental LLC
Milford, DE
Phone #: (703) 309-6916
Type: Advanced
Credential expiration date: 1/31/2019

Robert T. Osborne

Castle Septic Serivce Corp
Milford, NJ
Phone #: (908) 319-1936
Type: Advanced
Credential expiration date: 1/31/2019

Gerald Smith

Bedminster Excavation
Milford, NJ
Phone #: (908) 619-4914
Type: Advanced
Credential expiration date: 1/31/2019

Brian L Gifford

Arbrisco / Giffords
Millville , NJ
Phone #: (856) 327-0011
Type: Advanced
Credential expiration date: 3/31/2017

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