Triangle Mechanical Contractor, Inc. is a leading RTP North Carolina mechanical contracting firm that offers full-service design-build, engineering, piping, consulting, and project management for commercial, industrial and institutional plumbing projects. Serving RTP North Carolina and surrounding areas since 1973, we use the highest trained personnel and finest quality plumbing material available to provide top quality plumbing workmanship on-time and in-budget. We welcome the opportunity to be of service, Call us at: 919-779-1210. Our extensive portfolio includes complex design solutions for demanding building environments with projects such as design / build plumbing, commercial plumbing, backflow installation, grease interceptors, vacuum air and chemical piping, hospital plumbing, medical gas piping installation (certified installer), industrial piping, natural gas piping, domestic water and other projects.