Clarence Welti Associates Inc has been in business since 1953, and you can rely on us to provide you with quality, dependability and the ultimate in craftsmanship. Our expertise and skill along with our extensive knowledge has provided Connecticut, Massachusetts, Rhode Island and Eastern New York with incomparable service. Our contractors are equipped for foundations, well drilling and boring, and trenching. Our highly-trained team is composed of drilling contractors, engineers and geologists who provide the following services: rock coring, test boring, soil sampling, monitor well installations, truck, track mounted and barge-in water drilling. We handle both residential and commercial projects with ease. Call today for an estimate from our team of drilling and boring professionals.