Companies in Stamford

Behind every street in Stamford sits a business. 35,319 of them, to be exact, all registered in the United States business register. The biggest single industry is general business services with 1,634 companies, roughly 5% of everything that does business in the city.

35,319 businesses indexed

Charter Communications, INC.Charter Communications, INC.
Showing 25 of 35,319 companies
Company NameCountryCityAddress 1State/ProvincePostal CodeWebsiteFounding YearYearly Revenue in U.S. DollarsEmployees TotalBusiness Legal Type - DescriptionNumber of Companies in GroupCompany Registration Number
1
Charter Communications, INC.
USA
Stamford
400 Washington Blvd
Ct
06902-6641
corporate.*****
1993
$54,774,000,000
91,900
Corporation
1860
3637127
2
CCO Holdings, LLC
USA
Stamford
400 Atlantic St
Ct
06901-3512
charter.*****
2003
$54,774,000,000
91,900
Corporation
1860
3669223
3
CCO Holdings Capital CORP.
USA
Stamford
400 Atlantic St
Ct
06901-3512
charter.*****
2003
$54,607,000,000
303
Corporation
1860
3703982
4
Philip Morris International INC.
USA
Stamford
677 Washington Blvd Ste 1100
Ct
06901-3717
uspmi.*****
1987
$40,648,000,000
84,900
Corporation
585
06702815
5
Equinor Us Holdings INC.
USA
Stamford
600 Washington Blvd 8th Fl
Ct
06901-3726
equinor.*****
1987
$24,021,384,927
904
Corporation
2922
2125856
6
Equinor Marketing & Trading (us) INC.
USA
Stamford
600 Washington Blvd 8th Fl
Ct
06902
equinor.*****
1997
$23,877,850,000
5
Corporation
2922
2788463
7
Synchrony Financial
USA
Stamford
777 Long Ridge Rd
Ct
06902-1247
synchrony.*****
1932
$23,121,000,000
20,000
Corporation
35
3703204
8
United Rentals, INC.
USA
Stamford
100 Stamford Pl Ste 700
Ct
06902-9200
unitedrentals.*****
1997
$16,099,000,000
28,500
Corporation
1475
2922505
9
United Rentals (north America), INC.
USA
Stamford
100 Stamford Pl Ste 700
Ct
06902-9200
unitedrentals.*****
1997
$15,345,000,000
27,900
Corporation
1475
8391716
10
Spectrum Management Holding Company, LLC
USA
Stamford
400 Atlantic St
Ct
06901-3512
charter.*****
2016
$9,536,278,564
16,000
Corporation
1860
5752243
11
Time Warner Cable Enterprises LLC
USA
Stamford
400 Atlantic St Ste 6
Ct
06901-3533
jobs.*****
1992
$9,536,278,564
16,000
Corporation
1860
5122296
12
Gartner, INC.
USA
Stamford
56 Top Gallant Rd
Ct
06902-7747
gartner.*****
1979
$6,497,226,000
20,244
Corporation
172
2232152
13
Webster Financial CORPORATION
USA
Stamford
200 Elm St
Ct
06902-3800
websterbank.*****
1986
$4,423,027,000
4,601
Corporation
260
2101118
14
Itt INC.
USA
Stamford
100 Washington Blvd Fl 6
Ct
06902-9302
itt.*****
1920
$3,938,500,000
11,600
Corporation
552
2015122300583
15
Redco CORPORATION
USA
Stamford
100 Stamford Pl
Ct
06902-6740
craneco.*****
2022
$3,374,900,000
11,000
Corporation
27
2058602
16
Equinor Natural Gas LLC
USA
Stamford
600 Washington Blvd Ste 800
Ct
06901-3726
equinor.*****
2003
$2,380,331,000
15
Corporation
2922
3639479
17
Crane Company
USA
Stamford
100 Stamford Pl
Ct
06902-6740
craneco.*****
1855
$2,305,000,000
7,100
Corporation
135
6822882
18
Ubs Americas INC.
USA
Stamford
600 Washington Blvd
Ct
06901-3726
ubs.*****
2000
$2,104,711,700
21,000
Corporation
1809
3257597
19
Hexcel CORPORATION
USA
Stamford
281 Tresser Blvd Fl 16
Ct
06901-3284
hexcel.*****
1946
$1,893,900,000
5,563
Corporation
64
2003924
20
Star Group, L.P.
USA
Stamford
9 W Broad St Ste 310
Ct
06902-3758
stargrouplp.*****
1995
$1,784,418,000
3,024
Partnership of unknown type
130
2544224
21
Harman International Industries Incorporated
USA
Stamford
400 Atlantic St Ste 15
Ct
06901-3533
harman.*****
1980
$1,696,933,839
33,521
Corporation
825
886255
22
Americares Foundation, INC.
USA
Stamford
88 Hamilton Ave
Ct
06902-3100
americares.*****
1982
$1,560,789,806
231
Corporation
N/A
0095105
23
World Wrestling Entertainment, LLC
USA
Stamford
707 Washington Blvd
Ct
06901-3729
wwe.*****
1980
$1,291,523,000
890
Corporation
260
2133300
24
Conair LLC
USA
Stamford
1 Cummings Point Rd
Ct
06902-7901
conair.*****
2017
$1,180,387,182
3,388
Corporation
1727
5174804
25
Stamford Health, INC.
USA
Stamford
1 Hospital Plz
Ct
06904
stamfordhealth.*****
1983
$1,142,244,000
1,978
Corporation
13
0145889

Showing 25 of 35,319 companies

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Largest industries in Stamford

The biggest industry groups in Stamford by registered company count, with the top five companies by revenue in each.

General business services

1,634 companies

SIC 7389

View all 1,634 in our tool →

General Contractors-Single-Family Houses

1,086 companies

SIC 1521

View all 1,086 in our tool →

Real estate agents and managers

1,057 companies

SIC 6531

View all 1,057 in our tool →

Business Consulting Services, Not Elsewhere Classified

941 companies

SIC 8748

View all 941 in our tool →

Restaurants and eating places

870 companies

SIC 5812

View all 870 in our tool →

Management consulting

853 companies

SIC 8742

View all 853 in our tool →

Operators of Nonresidential Buildings

770 companies

SIC 6512

View all 770 in our tool →

Investors, Not Elsewhere Classified

762 companies

SIC 6799

View all 762 in our tool →

All industries in Stamford

Together, general business services, General Contractors-Single-Family Houses and real estate agents and managers make up the top three industries in Stamford, accounting for 11% of the city's commercial activity. The oldest company we can find in Stamford is First United Methodist Church, founded in 1800, with The First County Bank INC not far behind. They're still here, along with hundreds of thousands of others.

A short train ride from Manhattan, Stamford has grown into one of Connecticut's corporate centers, dense with finance offices, media groups and professional services headquarters. All of them are in our data. Search Stamford businesses in the live tool below, get the full list delivered as an Excel file, or pull the records straight into your own systems through our API.

35,319companies
  • Nonclassifiable Establishments5,941
  • Business Services, Not Elsewhere Classified1,634
  • General Contractors-Single-Family Houses1,086
  • Real Estate Agents and Managers1,057
  • Business Consulting Services, Not Elsewhere Classified941
  • Eating Places870
  • Management Consulting Services853
  • Operators of Nonresidential Buildings770
  • Investors, Not Elsewhere Classified762
  • Civic, Social, and Fraternal Associations577
  • Other industries20,828

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Frequently Asked Questions

Common questions about searching, filtering, and ordering Stamford company data.

Our Stamford business directory currently lists every registered legal entity with a Stamford address in the official United States business register. The exact count is shown live at the top of this page.
Stamford records are sourced directly from the official United States business register and enriched with 50+ data points: revenue, employees, industry codes, contact details, and ownership.
Core registry fields are refreshed weekly. Enriched fields (revenue, employees, contact) are refreshed monthly so your Stamford list never goes stale.
Yes. Every Stamford record is tagged with SIC industry codes. You can request your directory filtered by one or several SIC codes, employee size bands, or revenue thresholds.
Excel (.xlsx), CSV, and JSON. For API customers, data is streamed as paginated JSON. Custom formats (Parquet, SQL dump) are available on request.
Yes. We only deliver legal-entity data and publicly listed business contact details. We do not include personal data of natural persons unless required by the company register itself (e.g. sole traders).
Yes. Request a free 100-record sample of Stamford data and we will email it within one business day.
Yes. The full Stamford dataset is available through our REST API with the same filters as our directory builder. See our API page for pricing tiers.
Standard Excel and CSV directories are delivered within 24 hours. API access is provisioned within one business day. Rush delivery (same-day) is available on request.
Snapshot data going back 3 years is available for most fields, and 7+ years for core registry fields. Useful for trend analysis and churn studies - ask for a custom quote.

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