Businesses in South Windsor, Connecticut

As of October 12, 2026, ListRiver's records show 2,815 active registered businesses in South Windsor, Connecticut, the 39th most among Connecticut cities. 83% are LLCs. 19 were formed in September 2026. That is 1% of all Connecticut businesses on record.

From official Connecticut registry records, updated weekly. Most South Windsor businesses are in Capitol Planning Region. Look up a Connecticut business by name.

Businesses on record
2,815
Formed in the last 12 months
316
Formed in September
19
With a phone number
12%
338 records

New South Windsor businesses per month

02550Oct 2024: 20Oct 24Nov 2024: 16Dec 2024: 14Jan 2025: 302025Feb 2025: 19Mar 2025: 30Apr 2025: 23May 2025: 31Jun 2025: 15Jul 2025: 22Aug 2025: 33Sep 2025: 28Oct 2025: 21Nov 2025: 20Dec 2025: 35Jan 2026: 262026Feb 2026: 26Mar 2026: 42Apr 2026: 28May 2026: 20Jun 2026: 23Jul 2026: 34Aug 2026: 22Sep 2026: 19

Businesses on record by formation month, through September 2026. Monthly Connecticut new-business reports · Get the list of 19 new businesses formed in September 2026

Entity types

  • LLCs2,349 · 83%
  • Corporations309 · 11%
  • Nonprofits145 · 5%
  • LLPs5 · 0%
  • Other4 · 0%
  • Limited partnerships3 · 0%

Top ZIP codes

Industries (where known)

  • Real Estate739 · 27%
  • Professional & Technical Services301 · 11%
  • Other Services268 · 10%
  • Construction226 · 8%
  • Health Care & Social Assistance193 · 7%
  • Retail Trade188 · 7%
  • Manufacturing129 · 5%
  • Administrative & Support Services107 · 4%
  • Arts, Entertainment & Recreation89 · 3%
  • Accommodation & Food Services79 · 3%

Newest business names registered in South Windsor

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BusinessCityTypeFormed
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Name hiddenSouth WindsorCorporationAug 2026

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Common questions about South Windsor businesses

How many businesses are registered in South Windsor, Connecticut?

ListRiver has 2,815 active registered businesses in South Windsor, Connecticut on record as of October 12, 2026, from official Connecticut business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in South Windsor, Connecticut in September 2026?

19 businesses on record in South Windsor, Connecticut were formed in September 2026.

How many new businesses opened in South Windsor, Connecticut in the last 12 months?

316 businesses on record in South Windsor, Connecticut were formed in the 12 months through September 2026.

What is the most common type of business in South Windsor, Connecticut?

LLCs are the most common: 2,349 of 2,815 businesses on record (83%), followed by Corporations with 309 (11%).

Where does this data come from?

From Connecticut's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.

How do I get a list of businesses in South Windsor, Connecticut?

Use ListRiver's list builder to filter South Windsor, Connecticut businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.

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About this data

Counts come from official Connecticut business registry records on file with ListRiver, current as of October 12, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.