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

Scott Annaheim

Kinnelon Construction LLC
Kinnelon, New Jersey
Phone #: (973) 838-1168
Type: Advanced
Credential expiration date: 1/31/2021

Todd A. Masker

Masker Enterprises, Inc.
Lafayette, New Jersey
Phone #: (973) 219-1813
Type: Advanced
Credential expiration date: 3/31/2020

Glenn Wisniewski

Marksmen Enterprises
Lafayette, New Jersey
Phone #: (862) 354-0710
Type: Advanced
Credential expiration date: 12/31/2019

Roy Emr

Aaron Excavating Service Inc
Lake Hopatcong, New Jersey
Phone #: (973) 663-5415
Type: Advanced
Credential expiration date: 5/31/2019

John Fitzsimmons

De John Equipment Co LLC
Lake Hopatcong, New Jersey
Phone #: (973) 663-6503
Type: Advanced
Credential expiration date: 2/28/2021

Ralph LaManna

VAR Contracting Corp
Lake Hopatcong, New Jersey
Phone #: (973) 663-0330
Type: Advanced
Credential expiration date: 12/31/2019

David P. Dobrowolski

DPD Contractors
Lambertville, New Jersey
Phone #: (609) 462-7223
Type: Advanced
Credential expiration date: 5/31/2020

Barry R. Helverson

M&W Precast & Construction Supply
Lenhartsville, Pennsylvania
Phone #: (267) 374-7750
Type: Advanced
Credential expiration date: 10/31/2020

Jacqueline Sommers

Better Than Septic
Livermore, California
Phone #: (925) 785-9150
Type: Basic
Credential expiration date: 12/31/2020

Randy Sweetman

Top Notch Tree
Mahwah, New Jersey
Phone #: (201) 825-3166
Type: Advanced
Credential expiration date: 5/31/2021

Pages