Our Mission


Our Service

 Noted for our expertise in safety, safety relief and pilot operated relief valves, ADP Inc was formed in 1978 by three experienced field service engineers who saw a need for expert safety and safety relief valve repair at utility plants, paper mills and process plants across the ArkLaTex Area.  

Providing the highest quality of satisfaction to our customers. 


Our History

 Over the years ADP Inc. has accumulated a wealth of knowledge and experience in service, parts and repair of safety relief and pilot operated valves. With over 125 years of experience let our management expertise work for you and help make your plant a safer and more productive business. 


Your Investment

ADP Inc. has the capacity to dispatch a crew of Experienced Field Service Experts to Test, Pull, Repair, And Install Safety and Safety Relief Valves 24 Hours a Day.   

We can meet your Emergency Needs.

Provide a Documented Preventative Maintenance Program.

With a Turn-Key Job with No Hidden Cost

We also provide an Onsite Service Engineers For Start Ups if Requested!

About Us

Valve Service



Safety Relief

Pilot Operated Valves

Globe Valves

Valve Sales


At ADP Inc. we offer Sales of several types of Valves including.

Consolidated          Crosby

Kunkle                    Farris

Atwood Morrill         Lonergan

Anderson  Greenwood

Non-Return & Check Valves

Bellows & Butterfly Valves

Commitment To Safety


Our collective goal is to eliminate all injuries, occupational illnesses, unsafe practices and incidents of environmental harm from our activities. We believe that our work is never so urgent or important that we cannot take the time to do it safely and in an environmentally responsible manner. 

ISTC Internation Safety Training Council Member


T.W.I.C. Verified

PowerSafe Certified

Industries Serviced



Industrial Gas

Pulp & Paper


Mechanical Construction

Power Generation 


Hospitals  & Colleges  

Oil & Gas 

Natural Gas & LPG

Biofuels & Alternate Fuels 

Shop FAQs


ADP has access to parts for all U.S. Manufactured Safety & Safety Relief Valves and Pilot Operated Valves.

We offer the following Test Stand Capability's in Shop 

A 3,000 p.s.i. Liquid Test Stand for testing Relief Valves.

A 3,000 p.s.i. Air Test Stand for testing valves on Air and Gas Service.

A 1,750 p.s.i. Boiler for testing valves on Steam.