We provide cost-effective, responsive and quality soil investigation work with A-frame and top-drive drilling rigs (with or without crawlers). Our experienced drilling personnel can provide drilling and coring in various ground environments and sample sizes. We have a full range of services, such as borehole sizes of 75 and 100 mm diameter, UD sampling, thin-wall sampling, piston sampling, Mazier sampling, rock coring of 52 and 65 mm diameter, standard penetration test (SPT), vane shear test, and permeability tests.