McCarthy Building Companies, Inc.

McCarthy Building Companies, Inc. is a 100% employee-owned national construction firm with over 160 years of experience delivering complex, high-quality projects across the United States. Headquartered in St. Louis and operating nationwide, McCarthy specializes in sectors including healthcare, education, renewable energy, transportation, water infrastructure, and commercial facilities. McCarthy is known for its self-perform capabilities, advanced construction technologies, and collaborative approach to project delivery. With a strong commitment to safety, quality, and community impact, McCarthy builds essential facilities that support long-term economic growth and development. We are a community builder.