Limbach Holdings, Inc. is a building systems solutions company. The Company firm that designs, delivers, and maintains mechanical, electrical, and plumbing and controls (MEPC) system. The Company operates in two segments: Owner Direct Relationships (ODR) and General Contractor Relationships (GCR). Through the ODR segment, the Company performs owner direct projects and/or provides maintenance or service primarily on mechanical, plumbing or electrical systems, specialty contracting projects to existing buildings direct to, or assigned by, building owners or operators. The GCR segment manages new construction or renovation projects that involve primarily mechanical, electrical, and/or plumbing (MEP) services awarded to the Company by general contractors or construction managers. The Company operators of mission-critical facilities across healthcare, industrial and manufacturing, data centers, life science, higher education and cultural and entertainment markets.