Joseph J. Obrochta

Calista Corp. operates as a construction engineering company. Its services include rural camps, heavy equipment sales, rental and service, both rural and urban construction including heavy civil and arctic construction, environmental remediation and range reclamation, ocean and shallow-draft river marine transportation, real estate investments, telecommunications, cyber security and cloud technology, public relations and marketing, and website development. The company was founded in 1972 and is headquartered in Anchorage, AK.

Chiulista Services, Inc. provides facility support services. It services include fuels management, facility support, remote logistics, and metrology services. The company was founded in 1996 and is headquartered in Anchorage, AK.