Alaska has a booming export economy, but doing business in its often harsh environment presents certain challenges -- like truckers driving in convoy for safety on this frozen highway.
The Dalton Highway is the only US route to the Arctic Ocean and its oil riches, but it is vulnerable to the extreme conditions. In May and June, ferocious storms shut the Dalton for three weeks.
The Highway, most of which is in the Alaskan Tundra, is regarded as among the world's most dangerous roads.
Foreign investment and presence in Alaska is growing. Swedish engineering giant Sandvik has sold mining equipment here since 2012.
The Bering Sea contains some of the most valuable fisheries in the United States.
Seafood is becoming a powerhouse of the local economy, but commercial fishing in Alaska can be a hazardous occupation.
Business investment must be balanced with conservation needs and measures to protect Alaska's unique environment and wildlife.