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

Matthew Korbobo

Matthew Korbobo LLC
Bloomsbury, NJ
Phone #: (908) 296-6105
Type: Advanced
Credential expiration date: 1/31/2019

Renato Febbi


Boonton, NJ
Phone #: (973) 417-4960
Type: Advanced
Credential expiration date: 3/31/2019

Patrick T. Greber

Mershon Concrete
Bordentown, NJ
Phone #: (609) 298-2150
Type: Advanced
Credential expiration date: 1/31/2019

Doug Jatcko

Front Range Precast Concrete, Inc.
Boulder, CO
Phone #: (720) 352-1162
Type: Advanced
Credential expiration date: 3/31/2019

Frank Pellegrino

Hercules Septic & Sewer Service LLC
Branchburg, NJ
Phone #: (908) 229-3181
Type: Advanced
Credential expiration date: 1/31/2019

Arthur Pierson

Pierson Landscaping Inc
Branchville, NJ
Phone #: (973) 948-7295
Type: Advanced
Credential expiration date: 4/30/2019

Brian J. Clouse

Landscapes Unlimited, LLC
Branchville, NJ
Phone #: (201) 919-1694
Type: Advanced
Credential expiration date: 12/31/2017

Wayne Vreeland

Vreeland Enterprises LLC
Branchville, NJ
Phone #: (973) 390-6104
Type: Advanced
Credential expiration date: 5/31/2019

William H. Tatro, III

Snowbridge Inc.
Breckenridge, CO
Phone #: (970) 453-2339
Type: Advanced
Credential expiration date: 12/31/2017

Michael A Hitchner

Michael A. Hitchner Hauling & Excavating
Bridgeton, NJ
Phone #: (856) 451-5328
Type: Advanced
Credential expiration date: 3/31/2017

Pages