Superior Grouting & Restoration Services, LLC. (SGS) is a highly specialized firm offering clients years of experience and expertise in innovative, cost-saving solutions from structural rehabilitation to injection grouting and everything in between problems. SGS is a well-known, established and trusted company in the Mid-Atlantic region and the East Coast, with a reputation for high quality services and customer care.Established in 1962 under the original name Technical Waterproofing… Show more Superior Grouting & Restoration Services, LLC. (SGS) is a highly specialized firm offering clients years of experience and expertise in innovative, cost-saving solutions from structural rehabilitation to injection grouting and everything in between problems. SGS is a well-known, established and trusted company in the Mid-Atlantic region and the East Coast, with a reputation for high quality services and customer care.Established in 1962 under the original name Technical Waterproofing Services, SGS was incorporated in 1989, and offers clients years of experience in solving grouting problems. SGS is a full service company, providing experienced work crews seven days per week, day or night. SGS also offers its customers the highest quality customer service, care, and attention.If your project needs new concrete pours, concrete repair, leak sealing, waterproofing, or soil stabilization, SGS is the right choice. Show less