We possess the experience and necessary expertise to complete your drilling projects professionally and in a timely manner. Our qualifications are well known throughout the industry. CMI is a geotechnical, environmental drilling company based in Tappan, New York. We have over 13 years of geotechnical and environmental drilling experience, and we are extremely proud to provide professional drilling. We are committed to being responsive to your sample collection and all testing requirements for SPT drilling, permeability testing, rock coring, well installation, etc.. We aim to develop strong client relationships by maintaining a superior level of quality and service.