Office Home : New Jersey : Avison Young Welcome to Walsh Company, a trusted, dynamic, and multi-service organization providing General Contracting Services, Project Management and Power over Ethernet (PoE) Lighting solutions. Walsh Comp Welcome to Walsh Company, a trusted, dynamic, and multi-service organization providing General Contracting Services, Project Management and Power over Ethernet (PoE) Lighting solutions. Walsh Company’s name is synonymous with quality and customer service. We look forward to working with you!