Our expertise will earn your trust.


We’re proud of our reputation.


Our work is highly specialized and sometimes involves hazardous materials, so we only hire experienced and credentialed staff whom we trust to wear our name. You’ll know your technician is from Sullivan & Associates when they conduct a thorough inspection, deliver a comprehensive report, and provide top-notch customer service (you may see our logo on their shirt too!).

Over 20 years of experience.


Our technicians comply with regulations set by the American Society for Nondestructive Testing (ASNT) and are recertified every three years in accordance with ASNT mandates. But we don’t stop there. We regularly train our employees on new techniques to ensure our customers receive the most accurate, efficient, and state-of-the-art testing.

Specialized fields include: ASME, API, AWS, AWWA, ANSI, ASTM, ABS, MIL-STD, NAVSEA, and NBIC.

Patrick J. Sullivan, President

Pat has over 35 years of extensive experience in the nondestructive testing field, and has held positions at a variety of NDT levels – from Level I technician to NDT Level III Examiner to API-510 Pressure Vessel Inspector. His business acumen, combined with his expertise and knowledge of all phases of NDT, led him to the decision to start a business that offers companies the highest levels of NDT service, the latest and most comprehensive technology, and meticulously completed reports.

Bryan Wiggins, VP of Business

Bryan has nearly three decades of experience in the industrial and military contract quality assurance field and over two decades in nondestructive testing. He started out in the U.S. Navy where he served as an NDT Level II inspector and was responsible for performing detailed inspections on nuclear powered submarines during and after crucial repair operations. Bryan joined Sullivan & Associates in 1995, where he was assigned to military projects in Thailand, Taiwan, Egypt, Mexico, and throughout the U.S., where his responsibilities included inspecting various shipboard components, training shipboard personnel in NDT methods of inspection, and developing process control procedures. Bryan currently serves as Vice President of Business and is responsible for sales, market development, and client interaction, as well as helping companies develop their welder workmanship and NDT inspection programs to meet military fabrication and inspection standards.

John A. Arrants, VP of Operations

John began his NDT career in 1991 with training and experience in the U.S. Navy, proudly serving his country for six years on various battle-ready support ships for submarine and surface destroyer vessels deployed around the globe. He began his employment with Sullivan & Associates in 1997, where his creativity, drive, and leadership enabled him to assume the responsibilities of Lead Inspector. John is currently an NDT Level III in VT / MT / PT / RT and UT; an API-510, 570, and 653 -certified inspector; and serves as the company’s Radiation Safety Officer to liaise with the South Carolina Department of Health and Environmental Control (DHEC) and the Nuclear Regulatory Commission (NRC). John currently serves as Vice President of Operations and is responsible for sales, inspector scheduling, client interaction, and API inspection projects.

Our Job Locations