Companies in Norwalk

Behind every street in Norwalk sits a business. 35,238 of them, to be exact, all registered in the United States business register. The biggest single industry is general business services with 1,953 companies, roughly 6% of everything that does business in the city.

35,238 businesses indexed

Booking Holdings INC.Booking Holdings INC.
Showing 25 of 35,238 companies
Company NameCountryCityAddress 1State/ProvincePostal CodeWebsiteFounding YearYearly Revenue in U.S. DollarsEmployees TotalBusiness Legal Type - DescriptionNumber of Companies in GroupCompany Registration Number
1
Booking Holdings INC.
USA
Norwalk
800 Connecticut Ave
Ct
06854-1631
bookingholdings.*****
1997
$26,917,000,000
24,300
Corporation
193
2927585
2
Emcor Group, INC.
USA
Norwalk
301 Merritt 7
Ct
06851-1070
emcorgroup.*****
1966
$16,986,422,000
44,000
Corporation
524
2122022
3
Xerox CORPORATION
USA
Norwalk
401 Merritt 7
Ct
06851-1000
xerox.*****
2019
$7,022,000,000
22,900
Corporation
1330
27553
4
Xerox Holdings CORPORATION
USA
Norwalk
401 Merritt 7
Ct
06851-1000
xerox.*****
2019
$7,022,000,000
22,900
Corporation
1330
5510287
5
Silgan Holdings INC.
USA
Norwalk
601 Merritt 7
Ct
06851-1091
silganholdings.*****
1987
$6,483,166,000
17,200
Corporation
214
2192667
6
Terex CORPORATION
USA
Norwalk
301 Merritt 7 Fl 4
Ct
06851-1070
terex.*****
1983
$5,421,000,000
10,700
Corporation
294
2106001
7
Factset Research Systems INC.
USA
Norwalk
45 Glover Ave
Ct
06850-1238
factset.*****
1978
$2,321,748,000
12,800
Corporation
75
2026664
8
Wilton Re U.S. Holdings, INC.
USA
Norwalk
20 Glover Ave Ste 4
Ct
06850-1234
wiltonre.*****
2005
$1,319,654,098
200
Corporation
94
3855808
9
Wilton Reassurance Company
USA
Norwalk
20 Glover Ave Ste 4
Ct
06850
wiltonre.*****
2004
$1,292,404,267
438
Corporation
94
N/A
10
Mes Holding CORPORATION
USA
Norwalk
301 Merritt 7
Ct
06851-1070
emcorgroup.*****
1994
$1,176,910,439
700
Corporation
524
N/A
11
Emcor Construction Services, INC.
USA
Norwalk
301 Merritt 7 Fl 6
Ct
06851-1052
emcorgroup.*****
1992
$1,176,910,439
700
Corporation
524
2295158
12
Datto Holding LLC
USA
Norwalk
101 Merritt 7
Ct
06851-1059
datto.*****
2022
$618,657,000
2,089
Corporation
41
N/A
13
Terex USA, LLC
USA
Norwalk
45 Glover Ave 4th Fl
Ct
06850
terex.*****
2007
$595,922,398
870
Corporation
294
4466684
14
City Of Norwalk
USA
Norwalk
125 East Ave
Ct
06851
norwalkct.*****
1649
$570,583,479
1,927
Corporation
47
N/A
15
Priceline.com LLC
USA
Norwalk
800 Connecticut Ave
Ct
06854-1631
priceline.*****
2014
$466,697,186
5,000
Corporation
193
2774636
16
Cellmark, INC.
USA
Norwalk
80 Washington St
Ct
06854-3049
cellmark.*****
1984
$450,360,519
448
Corporation
87
7179385
17
Hei Hospitality, LLC
USA
Norwalk
101 Merritt 7 Ste 1
Ct
06851
heihotels.*****
2002
$447,389,844
3,250
Partnership of unknown type
20
0565178
18
The Advanced Center For Rehabilitation Medicine INC
USA
Norwalk
24 Stevens St
Ct
06856
findcare.*****
1990
$433,089,973
1
Corporation
300
0248246
19
The Norwalk Hospital Association
USA
Norwalk
34 Maple St
Ct
06856
connecticutchildrens.*****
2004
$374,135,472
1,660
Corporation
300
0058186
20
Norwalk La Mirada Unified School District
USA
Norwalk
12820 Pioneer Blvd
Los Angeles
90650-2894
nlmusd.*****
1965
$307,104,393
4,200
Corporation
34
N/A
21
Mitsubishi Hc Capital America, INC.
USA
Norwalk
800 Connecticut Ave Ste 4n01
Ct
06854-1694
mhccna.*****
2021
$299,619,028
223
Corporation
307
2211234
22
Terex Utilities, INC.
USA
Norwalk
301 Merritt 7
Ct
06851-1070
terex.*****
2002
$269,543,352
220
Corporation
294
7972912
23
Vanderbilt Chemicals, LLC
USA
Norwalk
30 Winfield St
Ct
06855-1329
rtvanderbilt.*****
2012
$267,446,838
430
Corporation
12
5215208
24
R.T. Vanderbilt Holding Company, INC.
USA
Norwalk
30 Winfield St
Ct
06855-1329
rtvanderbilt.*****
2012
$266,868,000
431
Corporation
12
5215218
25
Newco West Holdings LLC
USA
Norwalk
401 Merritt 7
Ct
06851-1000
N/A
2023
$247,546,514
9,200
Corporation
8165
5710549

Showing 25 of 35,238 companies

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Largest industries in Norwalk

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

General business services

1,953 companies

SIC 7389

View all 1,953 in our tool →

Restaurants and eating places

1,236 companies

SIC 5812

View all 1,236 in our tool →

General Contractors-Single-Family Houses

1,169 companies

SIC 1521

View all 1,169 in our tool →

Real estate agents and managers

829 companies

SIC 6531

View all 829 in our tool →

Business Consulting Services, Not Elsewhere Classified

807 companies

SIC 8748

View all 807 in our tool →

Operators of Nonresidential Buildings

734 companies

SIC 6512

View all 734 in our tool →

Management consulting

606 companies

SIC 8742

View all 606 in our tool →

Transportation Services, Not Elsewhere Classified

511 companies

SIC 4789

View all 511 in our tool →

All industries in Norwalk

Together, general business services, restaurants and eating places and General Contractors-Single-Family Houses make up the top three industries in Norwalk, accounting for 12% of the city's commercial activity. The oldest company we can find in Norwalk is County Of Huron, founded in 1809, with Herald Reflector INC not far behind. They're still here, along with hundreds of thousands of others.

The local ledger reads like many American cities of its size, with builders, medical practices, retailers and service firms doing steady work for the neighborhoods around them. All of them are in our data. Search Norwalk 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.

35,238companies
  • Nonclassifiable Establishments5,218
  • Business Services, Not Elsewhere Classified1,953
  • Eating Places1,236
  • General Contractors-Single-Family Houses1,169
  • Real Estate Agents and Managers829
  • Business Consulting Services, Not Elsewhere Classified807
  • Operators of Nonresidential Buildings734
  • Management Consulting Services606
  • Transportation Services, Not Elsewhere Classified511
  • Beauty Shops499
  • Other industries21,676

How you receive Norwalk business data

Choose the delivery method that fits your workflow. Every record includes 50+ fields per legal entity, sourced from official United States business registers.

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Live search tool

Search Norwalk companies in our online tool with filters for industry, size, revenue and SIC code. Export your selection.

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Frequently Asked Questions

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

Our Norwalk business directory currently lists every registered legal entity with a Norwalk address in the official United States business register. The exact count is shown live at the top of this page.
Norwalk 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 Norwalk list never goes stale.
Yes. Every Norwalk 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 Norwalk data and we will email it within one business day.
Yes. The full Norwalk 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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