AP4 Group Services (formerly TC&E) is a premier field engineering service company specializing in Controls, Exciter, and LCI systems. Our OEM-trained field services engineers specialize in comprehensive field maintenance services and equipment upgrades on both GE aeroderivative and GE heavy-duty gas and steam turbines. We deliver the right engineer for your scope of work every time.
Large Frame Controls Services Upgrades
AP4 Group Services specializes in controls, excitation, and LCI systems on GE heavy-duty gas and steam turbines. These services include a wide variety of controls maintenance, troubleshooting, and system upgrades. Our OEM-trained field engineers are here to ensure your equipment operations are reliable and efficient.
Turbine System Upgrades
Power plant personnel look to AP4 Group Services when they are seeking a trusted non-OEM service provider that can help develop and implement customized controls system projects. We are a trusted installation partner for many non-OEM equipment vendors throughout the industry.
Aeroderivative Field Services
From basic troubleshooting to DLE Mapping and mechanical service and maintenance, AP4 Group Services can meet all of your aeroderivative needs. Our expert team of Controls & Mechanical Field Engineers are ready and able to provide the on-site support you require.
Using the latest technology, components, and lessons learned through decades of experience, AP4 Energy Services can ensure complete reliability for both start-up and continuous operation.