Trusted energy services provider for nuclear, wind and conventional power.
Three companies.
One standard of excellence.
Three companies. One standard of excellence.
Who We Are
Integral Energy Services (IES) is a specialized energy services provider bringing together three industry-leading companies under one trusted name.
We mobilize expert technicians fast—from nuclear outages to wind blade repair to BESS, reciprocating engine and gas turbine commissioning—so utilities, OEMs, and asset owners can meet deadlines, reduce downtime, and keep critical infrastructure operating safely.
Built on 50+ years of nuclear excellence and backed by 800+ certified technicians, we deliver the talent and expertise you need, when you need it.
50+
years of experience
800+
Certified Technicians
1.2M+
Man Hours Annually
$100M+
In Projects Annually
Our Companies
Growth engine for conventional and renewable energy services.
Amperion delivers safe, efficient startup, commissioning, and field services for power generation projects. With rigorous training and proven methodologies, our technicians support energy construction—from solar and BESS to gas turbine and recip. Equipped for rapid deployment, we help you scale operations without compromising quality or safety.
Trusted leader in nuclear outage (Refuel and NDE) and maintenance.
With nearly five decades of experience and strong relationships with major OEMs, Sonic Systems provides highly trained specialists nuclear facilities rely on during outage, refueling, and critical maintenance cycles. Known for safety, precision, and responsiveness, we deliver operation-critical support when downtime isn’t an option.
Field-ready experts in wind turbine blade repair.
International Wind provides professional, safety-driven blade repair, inspection, and maintenance for utility-scale wind assets. Our certified technicians minimize downtime and protect long-term blade performance nationwide. With deep expertise in advanced composite structures, we deliver reliable wind asset solutions you can trust.
Trusted by
Crossover Advantage
Shared training. Shared standards. Shared workforce.
Across every company in the IES family, our teams benefit from unified safety programs, centralized training, and a cross-industry workforce. Whether nuclear, wind, or conventional power, you get the right people, at the right time, with the right tools.
Want to join a company that invests in your future?
Explore year-round opportunities across nuclear, wind, and conventional energy and build a career with room to grow.