hydroGEOPHYSICS, Inc. (HGI) was purchased by Columbia Energy & Environmental Services, Inc. (Columbia Energy) in November of 2009. Columbia Energy and HGI had been teaming partners, since 2004, for project work performed on the DOE Hanford Nuclear Reservation, located in eastern WA. Columbia Energy, is a woman-owned, full-service design and engineering firm licensed with an audited ASME NQA 1 program that offers a diverse range of products and services to provide engineering services within the states of Washington, Oregon and Idaho. These services include engineering and design; drafting; environmental and regulatory consulting; technology development and deployment; waste process and groundwater modeling; IT consulting; and construction and project management services. Columbia Energy has a reputation for safely delivering project solutions on time and within budget. Columbia Energy, was founded in 1989 in Richland, WA. The addition of the engineering and electrical disciplines allow HGI to increase its market share, reduce project cost and improve technologies. The first result of this collaboration is the newly released Geotection Resistivity Monitoring System.