INTERNATIONAL SUPPORT GROUP LLC

International Support Group LLC specializes in comprehensive facilities operations and maintenance services for federal infrastructure, with deep expertise in HVAC systems, plumbing, electrical support, and emergency facility repairs. The company delivers mission-critical O&M services including chiller and boiler maintenance, generator load bank testing, sprinkler system repairs, server room cooling installations, damper replacements, and piping insulation—all performed under strict operational constraints to minimize disruption to occupied federal facilities. Their technical proficiency extends to pressure valve installations, leak testing, start-up and commissioning of mechanical systems, and door and building envelope repairs, demonstrating a strong command of building systems integration and preventive maintenance protocols. The contractor maintains a consistent presence with the Department of Agriculture and the Department of Defense, where they provide sustained facility support for high-value scientific and operational buildings, including the National Agricultural Library and military installations. They also serve the Department of Transportation and Department of Labor with similar facility reliability services, indicating a pattern of long-term, responsive engagement with agencies requiring uninterrupted infrastructure performance in sensitive environments. Their primary focus is on Facilities Support Services (NAICS 561210), complemented by deep capabilities in janitorial, plumbing, and HVAC contracting. This positions them as a niche provider of integrated building systems maintenance rather than a broad-spectrum service contractor. They are not certified under any government small business programs, but their operational precision and rapid-response execution for mission-essential facilities establish a credible reputation in the federal facilities support market. Based in Miramar, Florida, they serve government installations across the continental U.S., with a demonstrated ability to mobilize skilled trades personnel for time-sensitive, high-stakes repairs.