With the most technically advanced pool of seismic equipment globally and the leading provider of seismic labor in North America, provides cost-effective Seismic Equipment Rentals and expansion crews to the seismic industry. Our team has extensive industry-wide experience and can quickly assess your needs and provide your company with the latest seismic equipment and an experienced crew familiar with installation, operations, and safety requirements. GREYCO seeks to provide customers with forward thinking and innovative products designed to improve performance and lower operating costs.