Thompson Waterproofing, Inc. (TWI) is a privately-held, open shop, SOMWBA and DCAMM Certified General Contractor specializing in masonry restoration, historical masonry restoration and waterproofing. Established on a family-owned and operated vision. TWI has successfully completed hundreds of projects ranging from straightforward to multifaceted and multi-phased in the commercial, industrial, institutional, and educational sectors for federal, state, municipal and historical agencies, private developers and property managers. We recognize that each project is unique, and has its own varying degrees of problems. As a result of listening to the needs of our clients, paired with careful planning and quality craftsmanship, Thompson Waterproofing, Inc delivers quality work on time and within budget. Our impeccable reputation, based on these values, has made TWI one of the strongest and most reliable restoration companies in the North East.