NOA vs SIGA Comparison

North American Construction Group Ltd is Canada's heavy civil construction and mining contractor provider. The company has provided services to oil, natural gas, and resource companies. The Company provides a wide range of mining and heavy civil construction services to customer in the resource development and industrial construction sectors within Canada, the United States, and Australia. The Company's reportable segments are Heavy Equipment Canada, Heavy Equipment Australia, and Other. Heavy Equipment Canada and Heavy Equipment Australia include all of aspects of the mining and heavy civil construction services provided within those geographic areas. Other includes mine management contract work in the United States, its external maintenance and rebuild programs.

SIGA Technologies Inc is a commercial-stage pharmaceutical company focused on the health security market. The company's main product is TPOXX, an oral formulation antiviral drug for the treatment of human smallpox disease caused by the variola virus. The company derives maximum revenue from United States.