CAPITOL UNITED SOLUTIONS INC

Capitol United Solutions Inc. specializes in mission-critical facilities maintenance and specialty construction services for federal installations, with deep expertise in plumbing, heating, air-conditioning, and boiler systems. The company delivers comprehensive HVAC repair and upgrades, chiller and boiler plant maintenance, switchboard replacements, and emergency mechanical system interventions, often under tight operational deadlines. Their technical proficiency extends to refractory repair, motor inspections, water softener system replacements, and integrated building systems modernization, ensuring uninterrupted operations in high-stakes defense and federal facilities. They demonstrate a strong command of industrial-grade mechanical systems and compliance with federal facility standards, positioning them as a trusted partner for lifecycle support of critical infrastructure. The contractor maintains a consistent presence with the Department of Defense, providing essential mechanical and building systems services at military installations, including naval and Army facilities. They also support the General Services Administration with facility relocation and construction projects, and deliver HVAC and plumbing maintenance to Department of Homeland Security sites. Their work reflects a pattern of responsive, on-site execution for mission-essential infrastructure, often involving emergency repairs and retrofits in active operational environments. Their primary focus lies in NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors), where they execute complex mechanical system overhauls, and 236220 (Commercial and Institutional Building Construction), supporting facility modernization and relocation. They also perform specialized trade work under 238990, addressing niche mechanical and electrical system needs. This positions them as a niche provider of integrated building systems support within federal infrastructure markets. As a Women-Owned Small Business and Woman-Owned Business certified firm based in Frederick, Maryland, Capitol United Solutions Inc. leverages its small business status to deliver agile, responsive services to federal clients across the Mid-Atlantic region. Their certifications enhance their eligibility for set-aside contracts and reinforce their commitment to diversity in federal contracting.