Subsidiaries - Total Customer Commitment
ControlWorx and EngineWorx are subsidiaries of John H. Carter Company. Our team affiliation offers a full service organization designed to address all the needs of the Process Industry. Servicing your industry. Helping your operation to run as efficiently and profitably as possible; and we've got the track record to prove it!


ControlWorx is pledged to providing a complete solutions package to all its customers.
We are service professionals, providing a wide array of in-plant and consultative services.

ControlWorx is equipped to support your project and turnaround needs. Our engineers are available to offer comprehensive, integrated solutions designed to meet the toughest process control challengers. Along with analysis of systems, design and engineering, turnaround and asset management, installation and training, we can provide turnkey support for almost any process control and instrumentation project.

Because of the John H. Carter Company's extensive and longstanding relationships with many manufacturers and their products, ControlWorx has a wide range of resources from which to choose.

Pressure Management Services - Premier Pressure Process Solutions Provider
ControlWorx Pressure Management team works closely with companies that maintain critical dependencies on pressure processes. Specializing in the review and analysis of functions involving the mechanics and physics of critical pressure processes, ControlWorx cuts through the issues and regulatory jargon with correct responses to your product and service needs, while maintaining the original equipment manufacturer's requirements and addressing recognized and best available engineering practices. 

EngineWorx, a division of ControlWorx and a subsidiary of John H. Carter Company, represents quality suppliers of engine and compressor control solutions to the oil and gas and industrial markets.

With offices throughout Gulf South, EngineWorx provides engine and compressor control systems, ignition systems, instrumentation, emission solutions, centralized lubrication systems, and engine silencing systems. EngineWorx provides custom manufacturing of ignition harnesses and pyrometer systems for natural gas engines. Instrumentation and ignition repairs are provided in our Lafayette facility.

The EngineWorx team has over 150 years of cumulative experience helping our customers with industrial engine and compressor controls, instrumentation and ignition products.