XL CONSTRUCTION LLC

XL CONSTRUCTION LLC specializes in the construction, renovation, and systems integration of federal commercial and institutional facilities, with deep expertise in HVAC replacement, exhaust system upgrades, concrete repair, and building finishing services. The contractor delivers turnkey solutions for mission-critical infrastructure, including fan coil unit replacements, chiller installations, radar mitigation systems, and firing range ventilation upgrades. Their technical proficiency spans mechanical, electrical, and structural building systems, with a demonstrated ability to execute complex retrofits within active government facilities without disrupting operations. Key differentiators include precision in coordinating with existing building automation systems, adherence to federal safety and environmental standards, and experience in performing high-sensitivity work in secure military and federal environments. The company maintains a strong, recurring relationship with the Department of Defense, delivering facility upgrades across military bases including Fort Belvoir and Joint Base Myer-Henderson Hall. They also serve the General Services Administration and Department of Health and Human Services on building modernization projects, consistently addressing mechanical system obsolescence and energy efficiency goals. Their work for the Department of the Interior demonstrates adaptability in environmental remediation, such as radon mitigation in historic buildings. XL CONSTRUCTION LLC’s primary focus is commercial and institutional building construction (NAICS 236220), with complementary expertise in highway and bridge construction (237310), plumbing and HVAC (238220), and specialty finishing (238390). They position themselves as a responsive, technically agile contractor for federal facility lifecycle support, particularly in aging infrastructure renewal and systems modernization. Based in Laurel, Maryland, XL CONSTRUCTION LLC operates as a small business under the 2K entity structure. While currently holding no formal government certifications, the firm maintains a focused geographic presence in the Mid-Atlantic federal corridor, enabling rapid mobilization and on-site coordination for time-sensitive government projects.