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LionHeart is a family and veteran-owned and operated independent service provider for critical power needs. Our headquarters is located in Huntley, IL, just west of Chicago. We service commercial and industrial clients throughout Illinois, Indiana and Wisconsin, while also solving the most difficult critical power issues nationwide.

Power Assured®

We started 20 years ago by four owners with a variety of expertise, who knew we could provide better service with a more technical focus. LionHeart is now the leading service provider in the power generation industry, servicing more than 3,000 clients. Our clients trust us with their critical power system needs because we continually demonstrate technical competency and focus on their best interest. LionHeart is here to ensure no organization will ever be at risk due to the failure of their critical power systems.

The Lionheart Advantage


EGSA Certified Technicians

LionHeart is proud to be apart of the Electrical Generating Systems Association (EGSA). We employ more than 20 EGSA Certified Journeymen. Our goal is to provide the best of the best in the industry and to meet EGSA standards, our technicians must pass rigorous testing of their electrical, mechanical and troubleshooting knowledge.


Power Experts

Our team is made up of the top electrical and mechanical engineers for power generation, providing our clients with unparalleled support and technical resources.


24/7/365 Rapid Response

Our emergency response is the best in the power generation industry. All of our vehicles are monitored by satellite to show our dispatch team exactly what expert technician is the closest to your site and provide you with accurate arrival times


Customer Focus

LionHeart’s mission is to focus on our commitment to providing unparalleled service that helps its clients achieve peace of mind. Our expert teams work together to engage industry leading practices, innovative new technology, partners and resources to continually enhance our value and exceed client expectations.


More Than Generators

At LionHeart, we pride ourselves in our expertise within the power generation industry, offering more than just your typical generator maintenance, such as radiator replacements, automatic transfer switch (ATS) and control panel retrofits, remote monitoring and control, and much more! See all of our project solutions here.


Veteran Owned & Operated

Our ownership and team members represent every branch of the U.S. military. LionHeart continues to be built on a military mindset where values, like honor, responsibility and team work are not only written on our walls, but represented in every aspect of our work.

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