Founded in 1998, Global Substation Services has proudly served industrial, institutional, government, and commercial clients for over two decades. With a team bringing more than 75 years of combined experience, we specialize in substation maintenance, electrical construction, and customized design solutions tailored to the needs of complex electrical infrastructure.In 2001, Global Substation Services merged with H&H Testing Services, a respected electrical testing and preventive maintenance company with 28 years of industry expertise. This strategic merger expanded our capabilities and strengthened our service offerings across a broad range of sectors.
Today, Global Substation Services continues to set the standard for quality and reliability in the field. Our long-tenured, highly trained technicians, recognized as the core strength of our organization, deliver expert support in maintaining and testing critical electrical distribution systems.
We are proud to announce that Global Substation Services is now a certified women-owned business, reflecting our continued evolution and dedication to leadership, diversity, and excellence in the electrical services industry. Our company remains grounded in the values of knowledge, integrity, safety, and service excellence.
NICET-Certified Professionals
Our team is composed of NICET (National Institute for Certification in
Engineering Technologies) certified. This certification reflects our dedication
to technical excellence, industry standards, and reliable project execution
across every job we undertake.
ISNetworld®
Approved Contractor
We are proud to be ISNetworld® approved, demonstrating our commitment to the
highest standards of safety, regulatory compliance, and contractor management.
Clients can be confident that we meet and exceed industry benchmarks for
workplace safety and performance.
AVO
Approved Company
Global Substation Services is also an AVO approved company, recognized for
meeting the most rigorous standards in electrical testing and maintenance. This
distinction reflects our dedication to quality, professionalism, and continuous
technical excellence. When you partner with us, you’re choosing a team that
operates with precision, care, and full adherence to AVO guidelines.
Avetta Compliant
Contractor
We are proud to be Avetta
compliant, demonstrating our commitment to safety, sustainability, and
regulatory compliance. By meeting Avetta’s rigorous standards, we ensure that
our operations align with the highest industry requirements for risk management
and contractor prequalification. Our clients can trust that we uphold best
practices in health, safety, insurance, and environmental responsibility.
At Global Substation Services, our technicians undergo rigorous training through the AVO Certification Program, which provides state-of-the-art education in electrical testing and maintenance. AVO’s non-commercial, principle-based training ensures our team is well-versed in the unique characteristics and operational standards of equipment from all major manufacturers. This extensive training allows our technicians to expertly handle and service a wide range of electrical distribution products across the marketplace.
We are also proud to have technicians who hold certifications from the National Institute for Certification in Engineering Technologies (NICET). This prestigious certification program is designed for professionals involved in the inspection, testing, and maintenance of electrical power equipment. NICET-certified technicians at Global Substation Services possess advanced skills in evaluating equipment for service acceptance, continued serviceability, and necessary maintenance.
Our certified technicians have the expertise, precision, and careful attention required to work with high-value equipment. Their comprehensive knowledge of complex power systems, testing procedures, and the potential implications of different actions ensures that our clients receive the highest standard of service and reliability.
At Global Substation Services, Inc., we go beyond the basics to deliver electrical solutions you can count on. Whether you're managing a small commercial site or a large-scale utility network, our team brings the expertise, reliability, and responsiveness needed to keep your systems running safely and efficiently.
Here’s what sets us apart:
Our team is trained and certified to perform advanced diagnostics, maintenance, and testing on complex systems across all voltage levels. We're approved by NFPA 70B, AVO trained, NICET certified, and ISNetworld approved, so you can trust that our work meets the highest industry standards.
From low-voltage commercial panels to medium and high-voltage substation equipment, we offer complete electrical services tailored to your system size and complexity.
Power issues don’t wait for business hours—and neither do we. Our rapid-response teams are available around the clock to address emergencies, minimize downtime, and restore service quickly and safely.
We make safety our top priority. Every project is completed in compliance with local, state, and federal codes, with strict adherence to industry best practices and safety protocols.
Our testing and reporting services give you a clear understanding of your electrical system’s condition. With detailed diagnostics and actionable recommendations, we help you plan ahead and avoid unplanned outages.
We perform services during planned outages or off-peak hours to reduce operational disruption—because we know how important uptime is to your business.
From routine maintenance to complex power distribution projects, we’re the team trusted to keep critical systems running—safely, efficiently, and without surprises.
Let’s talk about how we can support your next project.