Just in case you didn’t think Caterpillar was really serious about this whole Big Data thing, the company today announced it has completed the acquisition of a marine industry analytics company. Caterpillar Marine has acquired ESRG Technologies Group, a Virginia Beach-based company specializing in marine telematics and analytics. The acquisition will bring ESRG’s telematics software, which covers more than 65 on-board systems, under the Caterpillar branding.