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CAPABILITIES / REPAIRS

CONTROLS

Reduce Costs and Avoid Unnecessary Upgrades with AP4 Control System Repairs

Keep your legacy control systems up and running without unnecessary upgrades or costs – with AP4’s comprehensive repair services. GTC’s fast, dependable testing, refurbishing, and repair capabilities help extend the life of your industrial controls.

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Advantages:

  • A state-of-the-art repair center that’s the most extensive non-OEM testing and repair facility in the industry.
  • Specially trained technicians with the expertise to quickly diagnose and resolve control system problems.
  • Unrivaled experience grounded in more than 20,000+ control part repairs.
  • A widely trusted OEM alternative with no OEM delays and over 20 years of circuit card and electrical engineering expertise.
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Don’t let a parts issue knock your plant operations – and your budget – out of control. Turn to AP4, the worldwide leader in power plant controls, relied on by Fortune and Global 500 companies.
Get what you need now

OR CALL +1-914-693-0830

Quickly get repaired and refurbished parts for discontinued, obsolete, or aging systems.

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Trusted by People in Power for Over 20 years

  • High-quality services for DCS controls, drive controls, industrial PCs, inverters, CNC systems, Panel HMIs, PLCs, power supplies, printed circuit boards, and VFD motors.
  • Repair services for a wide range of vendors, including GE™, ABB™, Alstom™, Brush™, Emerson™, Siemens™, Woodward™, and other industrial controls.
  • A vast inventory of remanufactured spares for legacy and obsolete systems, with the functionality and reliability of new parts – plus a 24-month warranty.

GTC works closely with AP4’s other business units to ensure customers have whatever parts and services they need to stay running.

TESTIMONIALS

Highly Responsive. Deeply Experienced. Widely Trusted.

“They have been our vendor since 2015, supplying and repairing goods to the highest level of satisfaction.”
AMIT K.S.
“I am very appreciative of them for supporting one of our customers during the holiday season. They were ready to provide technical support without any hesitation.”
LAWRENCE G.
“Due to their quality and price, they have become the preferred provider for maintaining our GE Speedtronic Mark V Controls System.”
TIMOTHY H.
Find out more
OR CALL USA & CANADA: +1-844-641-1367; INTERNATIONAL: +1-914-826-8641

OR CALL USA & CANADA:
+1-844-641-1367;

INTERNATIONAL:
+1-914-826-8641

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© 2025 AP4 Group, LLC. All rights reserved. GTC, AP+M, HUGHES Technical Services, TC&E, Maine Automation, AP4, and LOGOs are trademarks of AP4 Group, LLC. Designated trademarks, brand names, and brands appearing herein are the property of their respective owner. AP4 Group is not affiliated with nor sponsored by any manufacturers, brands, or products unless specifically noted.

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