AP+M's OEM alliances and supplier network deliver speed, flexibility, and better control to procure quality OEM parts & materials.

AP+M's vast network of OEM component repair services & in-house MRO capabilities handle your component repair & overhaul.

AP4 Energy Services responds to your on-site maintenance needs with our experienced team of controls and mechanical field service engineers.

AP4 Energy Services provides & installs major sub-system upgrades for critical systems such as controls & instrumentation, LCI, excitation, and more.


Powerful Performance

Exceptional Experience

OUR MISSION is to provide you with the parts and services you need when you need them.  AP4 Energy is driven to make life simple in the complex world of industrial gas turbines maintenance & spares. AP4 is exceptional experience when you need it; powerful performance to get it done.

President and CEO: Greg Young


Since 1990

Our Valued OEM Distribution & Repair Alliances

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Field Service

At AP4 Energy Services, our field services team, provides comprehensive field maintenance services on both aeroderivative and heavy-duty gas turbines.

◎    Specialized in GE Industrial and Aero Gas Turbine Control Systems
◎    Excitation Systems Retrofits
◎    NERC Compliance
◎    Annual Maintenance



At AP4 we are committed to strengthening our business through environmental initiatives, corporate quality certifications, and engaging talented employees

Environmental Awareness

Our company is committed to reducing our impact on the environment with a robust recycling program, energy efficient lighting and eliminating waste wherever possible

Quality Management

Adhering to the highest and most rigorous standards of quality and service, AP+M is an ISO 9001:2015 certified company and we ship all industrial gas turbine parts with a Certificate of Conformance

Health and Safety

We promote a corporate culture that promotes safety and healthier choices within our warehouse and field service operations or at home, AP4 recognizes the importance of safety and health, and provides for the overall well-being of our AP4 family


AP+M and AP4 Energy Services
Always Reliable

“AP4 Energy Services (d/b/a TC&E) has been a valued partner for us since 2010. They solved our starting sequence issues in our LCI and that had plagued us for 15 years. TC&E always answers the call when we need assistance.”

Mr. BJ Dunlap – Rumford Power

"AP+M has been providing materials to our LNG facility in Gladstone, Australia since 2015 and has performed exceptionally. In our experience, AP+M provides quality materials at competitive prices and consistently delivers on their delivery promises."

Procurement Lead – APLNG

“AP4 Energy Services (d/b/a TC&E) has always provided a high level of expertise and detail on our site—most notably, custom-tailored projects to reduce parasitic load during the off-peak seasons using logic and controls”

Mr. Marco Ferreira Jr. – Ocean Peaking Power LLC, Cogentrix

"AP+M has been providing spare parts to our power generation facility in Indonesia since 2017 and their performance has been exceptional. In our experience, AP+M provides genuine OEM spare parts and component repair services at competitive prices with on-time delivery."”

Director – Indonesia

"AP4 Energy Services (d/b/a TC&E) provides unsurpassed expertise in gas turbine controls and ancillary systems. Their Engineers understand the power industry and the urgency to make our turbine reliable. That is why we use TC&E exclusively for all our turbine solutions"

Mr. Richard E. Lizotte – Plant Manager, Bucksport Generation, LLC


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