South Dakota Business by the Numbers: 2026 Company Breakdown

Key findings

• South Dakota ranks 52nd nationally with 118,727 companies — 0.2% of all 64,799,929 U.S. companies in the directory.
• Sioux Falls is the state’s largest business hub, with 24,877 companies — 21.0% of every company in South Dakota.
• Business is concentrated in a few metros: Sioux Falls and Rapid City together hold 32.5% of the state’s companies.
• Industrial & mechanical leads the state’s industries at 29,903 companies (25.2%), across 4 tracked sectors.

How South Dakota ranks nationally

South Dakota and its closest neighbours by total company count. Select a state to open its own study.

Top South Dakota cities by number of companies

These 2 cities account for 32.5% of all companies in South Dakota. Select any city to browse its full company list.

Browse all South Dakota companies →

South Dakota companies by industry

Every company is classified by its primary industry using NAICS/SIC codes. Select a sector to see those South Dakota companies.

What the numbers show

South Dakota’s 118,727 companies place it 52nd nationally, 0.2% of the U.S. total. Activity clusters in its largest metros — Sioux Falls and Rapid City alone account for 32.5% of the state’s companies — while industrial & mechanical is the dominant sector at 25.2%. For buyers and sellers, that means the deepest pools of suppliers and manufacturers sit in a handful of cities and one or two sectors; the charts above link straight into each so you can shortlist by capability and region.

Methodology

Figures reflect companies listed in Factur’s U.S. business directory as of 2026, classified by headquarters city and primary industry using NAICS/SIC codes. “Companies” includes manufacturers, suppliers, and B2B businesses of all sizes; counts are directory totals, not official census figures, and percentages are computed against the South Dakota directory total. Data compiled by Factur, a sales and marketing firm for B2B manufacturers.