The total value of shipments of manufactured goods in 1997 was $12 billion (with the 2nd highest growth rate in the country between 1992 and 1997). In 1997, South Dakota was headquarters to one Fortune 500 company, Gateway 2000. Both Citibank and 3M have large operations in South Dakota.
Earnings of persons employed in South Dakota increased from $11.1 billion in 1997 to $11.9 billion in 1998, an increase of 6.9%. The largest industries in 1998 were services, 24.6% of earnings; retail trade, 10.8%; and state and local government, 10.2%. Of the industries that accounted for at least 5% of earnings in 1998, the slowest growing from 1997 to 1998 was farm (8.0% of earnings in 1998), which decreased 25.1%; the fastest was durable goods manufacturing (9.6% of earnings in 1998), which increased 9.9%.