Founded in 2008, Polargy LLC designs, manufactures, and integrates prefabricated infrastructure for data centers, with a particular focus on airflow management and rapid deployment. Its U.S.-made white-space and grey-space systems are backed by more than 550,000 square feet of manufacturing capacity across five facilities, while configurable designs and factory integration help reduce field complexity and material waste.
AccelevationBorn around a kitchen table in southwest Ohio in 2017, Accelevation designs, manufactures, and installs integrated infrastructure for North American data centers. Its vertically integrated operation spans white-space design, custom manufacturing, and field installation, supported by more than 1.4 million square feet of manufacturing capacity and in-house technicians. The company’s growth accelerated through a pandemic-era pivot and the addition of specialized data-center businesses, including Instor in 2023 and SteelPro in 2025.SPRINGBORO, OH
OptiCool TechnologiesFrom its Webster, New York headquarters and 450,000-square-foot manufacturing facility, OptiCool Technologies designs and builds two-phase pumped-refrigerant cooling systems for data centers. Its Delta4T™ platform uses vaporizing refrigerant as the primary heat sink, supporting rack-level cooling up to 120 kW and serving both retrofit projects and new modular facilities. Founded by CEO Mark Chaney, the company manufactures and assembles its systems in-house and supports deployments with installation and service.ROCHESTER, NY
USystems LtdUSystems designs and manufactures cooling and infrastructure equipment for data centers, with its ColdLogik rear-door cooling technology at the center of its offering. The UK-based company operates from a two-acre manufacturing facility and head office, with sales offices in the USA, UAE and India, and supplies projects installed in more than 30 countries. USystems is a Legrand brand and holds ISO 9001 certification, alongside recognition including the 2021 RAC Cooling Manufacturer of the Year award and the Queen’s Award for Innovation.ROCHESTER, NY
Chatsworth ProductsChatsworth Products builds the physical infrastructure behind data centers and connected networks, including cabinets, power-management equipment, thermal solutions and wireless enclosures. Based in Simi Valley with additional U.S. operations in New Bern, Georgetown and Round Rock, the company combines manufacturing with dedicated research, development and training facilities. Chatsworth Products is a 100% employee-owned organization and holds ISO 9001 registration for its Simi Valley, New Bern and Georgetown operations.STATE COLLEGE, PA