Through expert electrical construction and engineering, rigorous testing, and proactive maintenance, we keep your power systems running strong and safe. We’re equipped to repair, replace, and analyze your power systems to ensure peak performance. When high voltage is involved, there’s no room for error. We bring precision, reliability, and a commitment to safety every time.

When it comes to high voltage electrical infrastructure, Jomar is the go-to choice for top-quality work in energy renewables, storm response, and distribution. We bring the expertise and power-packed equipment to install and maintain distribution systems of any configuration, length, and voltage—up to 46kV—in any region and terrain. Our team has built and upgraded high-voltage substations, switching stations, and interconnect stations from 34.5kV to 345kV for public and private clients across the central United States. With extensive experience in engineer-procure-construct (EPC) and construct-only project delivery, we go the extra mile by offering turnkey services including project management, material procurement, quality control, certified bus welding, testing, commissioning, and a smooth final job closeout. Jomar’s ready to power your project with strength, reliability, and precision, every step of the way.

Jomar’s range of services is designed to your electrical needs, ensuring that every project is expertly managed from start to finish starting from project budgeting, design-build, BIM coordination with drafting, and pre-construction consulting. We also specialize in additions of electrical components in any type of building, such as controls, generators, maintenance, infrared scanning, and insulation testing, including building inspections of electrical systems.