For professional well drilling services, depend on the best. Casola Well Drillers, Inc. Family owned and operated since 1930, our dedicated, knowledgeable staff, carry a reputation for superior work and personal service. Our services include water well drilling installation, service, and repairs. And water filtration and treatment. Over 75 years of drilling wells, but one thing hasn't changed: Our desire to bring you the cleanest, purest water directly from Long Island's natural aquafer.