Petroleum Field Services (PFS) is an energy service firm headquartered in Denver, CO. PFS primarily serves the oil and gas industry but is branching out into renewable and alternative energy. The PFS team consists of 25 hard working experts and professionals with a myriad of backgrounds. Our experts specialize in one of the 5 services PFS offers. Our scope of services include: Regulatory and Compliance, Engineering, Surveying, GIS Mapping and Asset Management and Recruiting. Our team works throughout the state of Colorado and into neighboring Rocky Mountain States.