New Hampshire Business by the Numbers: 2026 Company Breakdown

Key findings

• New Hampshire ranks 36th nationally with 332,130 companies — 0.5% of all 64,799,929 U.S. companies in the directory.
• Manchester is the state’s largest business hub, with 29,343 companies — 8.8% of every company in New Hampshire.
• Business is concentrated in a few metros: Manchester, Nashua and Concord together hold 21.0% of the state’s companies.
• Industrial & mechanical leads the state’s industries at 87,410 companies (26.3%), across 6 tracked sectors.

How New Hampshire ranks nationally

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

Top New Hampshire cities by number of companies

These 9 cities account for 36.9% of all companies in New Hampshire. Select any city to browse its full company list.

Browse all New Hampshire companies →

New Hampshire companies by industry

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

What the numbers show

New Hampshire’s 332,130 companies place it 36th nationally, 0.5% of the U.S. total. Activity clusters in its largest metros — Manchester, Nashua and Concord alone account for 21.0% of the state’s companies — while industrial & mechanical is the dominant sector at 26.3%. 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 New Hampshire directory total. Data compiled by Factur, a sales and marketing firm for B2B manufacturers.