S4 Mobile Laboratories LLC builds mobile soil laboratories for use by non-scientists to map whatÂ’s underground in real time: faster and less expensively than current soil sampling methodologies. Providing automated, robotic detection, analysis, and 3D mapping of hundreds of chemical signatures,the firm's Subterra mobile soil laboratories collect and aggregat data from sites across the world. The achieved results are accurate in pinpointing chemical signatures, providing on-site, instantaneous analysis while eliminating the costs and delays of lab work.