TRC is a subsidiary of TRC Companies, which creates and implements solutions for energy, transportation, environment, infrastructure and security applications in the United States. TRC is an environmental consulting firm headquartered in Atlanta. The firm has conducted more than 2,000 projects since incorporation in 1983 and, in cooperation with its sister firm, TRC Mariah Associates, can provide professional cultural resource management and environmental services throughout the entire United States and Caribbean. Services offered by the company include specialized cultural resources studies, such as archaeology, historic preservation and history studies that include cemetery studies and genealogical research. TRC has an office in Columbia, S.C.