Calista Corporation owns more than 35 subsidiaries, providing a variety of services including rural camp services; heavy equipment sales, rental and service; both rural and urban construction including heavy civil and arctic construction; environmental remediation, range reclamation and natural resource development; ocean and shallow-draft river marine transportation; real estate investments; telecommunications, cyber security and cloud technology; military defense contracting; and much more. When you do business with Calista, you have access to a network of companies that are dedicated to delivering the highest quality services at the greatest value.