McCarthy Building Companies

McCarthy Building Companies is a 138-year-old, 100% employee-owned commercial construction contractor based in St. Louis, MO. As a signatory contractor with the Carpenters' District Council of Greater St. Louis and Vicinity, the company employs skilled union tradespeople committed to quality and safety. McCarthy's core services include general contracting, construction management, design-build, and preconstruction planning. The company specializes in industrial, commercial, and institutional projects, serving clients across sectors like healthcare, education, government, and energy. McCarthy's experienced team brings expertise in sustainable building practices, advanced technical systems, and efficient project delivery. McCarthy serves clients throughout the Midwest and broader United States. Headquartered in St. Louis, the company operates additional locations to support projects across the country. Their national reach allows them to handle a wide range of project types, from local renovations to multi-state industrial facilities. The company maintains strong relationships with the Carpenters' District Council and is committed to employing trained, certified union tradespeople. McCarthy holds numerous industry certifications, including LEED AP, ISO 9001, and OSHA 30. With bonding capacity over $100 million, the company has the resources to safely deliver complex projects on time and within budget. With a team of over 2,500 employees, McCarthy has the expertise to handle projects ranging from small renovations to large-scale new construction. The company's dedication to quality and client service has earned it numerous industry awards, including recognition as ENR Midwest Contractor of the Year. For commercial construction services in the St. Louis region, McCarthy Building Companies offers reliable, union-skilled workforce, innovative building solutions, and a commitment to safety and sustainability. Contact them to discuss your next project.