Contact Us

The Association of Diving Contractors International is committed to providing our members and the public with information about the commercial diving industry.

If you have any questions or comments, please feel free to contact us! Office visits are by Appointment Only. No walk-ins.
Office Hours are 8:00 a.m. - 4:00 p.m. Central Standard Time, Monday through Friday.     


Association of Diving Contractors International
5206 Cypress Creek Parkway Ste. 202 
Houston, TX 77069
Phone: (281) 893-8388
Toll Free: (888) 232-4838
Fax: (281) 893-5118  

ADCI Staff

Phil Newsum - Executive Director

Barbara Treadway - Manager, Administrative Services
New Member Applications, BOD Records, Membership Issues and Log Book Orders

Sarai Villa - Membership Services, Habla Español

Nancy Vu Commercial Diver Certification Cards and Exams