General business services
1,832 companies
SIC 7389
Companies in Norwalk
Behind every street in Norwalk sits a business. 34,951 of them, to be exact, all registered in the United States business register. The biggest single industry is general business services with 1,832 companies, roughly 5% of everything that does business in the city.
34,951 businesses indexed
Booking Holdings INC.Booking Holdings INC.
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Booking Holdings INC. | USA | Norwalk | 800 Connecticut Ave | Ct | 06854-1631 | bookingholdings.***** | 1997 | $26,917,000,000 | 24,300 | Corporation | 191 | 2927585 |
| 2 | Emcor Group, INC. | USA | Norwalk | 301 Merritt 7 | Ct | 06851 | emcorgroup.***** | 1966 | $16,986,422,000 | 44,000 | Corporation | 525 | 2122022 |
| 3 | Xerox CORPORATION | USA | Norwalk | 401 Merritt 7 | Ct | 06851-1000 | xerox.***** | 2019 | $7,022,000,000 | 22,900 | Corporation | 1347 | 27553 |
| 4 | Xerox Holdings CORPORATION | USA | Norwalk | 401 Merritt 7 | Ct | 06851-1000 | xerox.***** | 2019 | $7,022,000,000 | 22,900 | Corporation | 1347 | 5510287 |
| 5 | Silgan Holdings INC. | USA | Norwalk | 601 Merritt 7 | Ct | 06851-1091 | silganholdings.***** | 1987 | $6,483,166,000 | 17,200 | Corporation | 213 | 2192667 |
| 6 | Terex CORPORATION | USA | Norwalk | 301 Merritt 7 Fl 4 | Ct | 06851-1070 | terex.***** | 1983 | $5,421,000,000 | 10,830 | Corporation | 292 | 2106001 |
| 7 | Factset Research Systems INC. | USA | Norwalk | 45 Glover Ave | Ct | 06850-1238 | factset.***** | 1978 | $2,321,748,000 | 12,800 | Corporation | 74 | 2026664 |
| 8 | Wilton Re U.S. Holdings, INC. | USA | Norwalk | 20 Glover Ave Ste 4 | Ct | 06850-1234 | wiltonre.***** | 2005 | $1,318,615,379 | 200 | Corporation | 93 | 3855808 |
| 9 | Wilton Reassurance Company | USA | Norwalk | 20 Glover Ave Ste 4 | Ct | 06850 | wiltonre.***** | 2004 | $1,292,404,267 | 438 | Corporation | 93 | N/A |
| 10 | Mes Holding CORPORATION | USA | Norwalk | 301 Merritt 7 | Ct | 06851-1070 | emcorgroup.***** | 1994 | $1,176,910,439 | 700 | Corporation | 525 | 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 | 525 | 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 | City Of Norwalk | USA | Norwalk | 125 East Ave | Ct | 06851-5702 | norwalkct.***** | 1649 | $570,583,479 | 1,927 | Corporation | 47 | N/A |
| 14 | Terex USA, LLC | USA | Norwalk | 45 Glover Ave 4th Fl | Ct | 06850-1238 | terex.***** | 2007 | $562,347,913 | 870 | Corporation | 292 | 4466684 |
| 15 | Priceline.com LLC | USA | Norwalk | 800 Connecticut Ave | Ct | 06854-1631 | pricelinegroup.***** | 2014 | $466,697,186 | 5,000 | Corporation | 191 | 2774636 |
| 16 | Cellmark, INC. | USA | Norwalk | 80 Washington St | Ct | 06854-3049 | cellmark.***** | 1984 | $450,360,519 | 448 | Corporation | 88 | 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 | 303 | 0248246 |
| 19 | Norwalk La Mirada Unified School District | USA | Norwalk | 12820 Pioneer Blvd | Los Angeles | 90650-2894 | nlmusd.***** | 1965 | $386,347,329 | 4,200 | Corporation | 34 | N/A |
| 20 | The Norwalk Hospital Association | USA | Norwalk | 34 Maple St | Ct | 06856 | findcare.***** | 2004 | $374,135,472 | 1,660 | Corporation | 303 | 0058186 |
| 21 | Mitsubishi Hc Capital America, INC. | USA | Norwalk | 800 Connecticut Ave Ste 4n01 | Ct | 06854-1694 | mhccna.***** | 2021 | $299,619,028 | 223 | Corporation | 303 | 2211234 |
| 22 | Terex Utilities, INC. | USA | Norwalk | 301 Merritt 7 | Ct | 06851 | terex.***** | 2002 | $269,543,352 | 220 | Corporation | 292 | 7972912 |
| 23 | Vanderbilt Chemicals, LLC | USA | Norwalk | 30 Winfield St | Ct | 06855-1329 | rtvanderbilt.***** | 2012 | $267,446,838 | 430 | Corporation | 8 | 5215208 |
| 24 | R.T. Vanderbilt Holding Company, INC. | USA | Norwalk | 30 Winfield St | Ct | 06855-1329 | rtvanderbilt.***** | 2012 | $266,868,000 | 431 | Corporation | 8 | 5215218 |
| 25 | Newco West Holdings LLC | USA | Norwalk | 401 Merritt 7 | Ct | 06851-1000 | N/A | 2023 | $247,546,514 | 9,200 | Corporation | 8114 | 5710549 |
Showing 25 of 34,951 companies
Request Free SampleLargest companies in Norwalk
Which company is the largest in Norwalk depends on how you measure. You can look at valuation, at revenue or at how many people work there. Valuations are private for most companies, so here we stick to revenue and headcount.
By revenue, Booking Holdings INC. comes first in Norwalk. It is part of a group with $26.9 billion in yearly revenue. By headcount, Frontier Communications Of America, INC. comes first with 12,765 employees. We only looked at the 23,663 corporations in Norwalk for this; sole traders, foundations and other legal forms are left out.
The two tables below show how all 34,951 companies in Norwalk are spread across revenue and headcount bands.
Yearly revenue
52.7%of companies have less than $100,000 in yearly revenue
| Revenue (USD) | Count | Share |
|---|---|---|
| up to $100,000 | 18,402 | 52.7% |
| $100,000 to $500,000 | 12,402 | 35.5% |
| $500,000 to $1M | 948 | 2.7% |
| $1M to $5M | 748 | 2.1% |
| $5M to $10M | 106 | 0.3% |
| $10M to $50M | 109 | 0.3% |
| $50M to $100M | 17 | <0.1% |
| $100M to $500M | 18 | 0.1% |
| $500M to $1B | 3 | <0.1% |
| $1B or more | 11 | <0.1% |
| Unknown | 2,187 | 6.3% |
Headcount
87.5%of companies have 1 to 4 employees
| Employees | Count | Share |
|---|---|---|
| 1-4 | 30,572 | 87.5% |
| 5-9 | 2,293 | 6.6% |
| 10-19 | 717 | 2.1% |
| 20-49 | 528 | 1.5% |
| 50-99 | 204 | 0.6% |
| 100-199 | 78 | 0.2% |
| 200-499 | 44 | 0.1% |
| 500-999 | 20 | 0.1% |
| 1,000-4,999 | 9 | <0.1% |
| 5,000-9,999 | 1 | <0.1% |
| 10,000+ | 2 | <0.1% |
| Unknown | 483 | 1.4% |
Source: business register and CompanyData. "Unknown" means no published figure.
Largest industries in Norwalk
The biggest industry groups in Norwalk by registered company count, with the top five companies by revenue in each.
Restaurants and eating places
1,193 companies
SIC 5812
General Contractors-Single-Family Houses
1,169 companies
SIC 1521
Business Consulting Services, Not Elsewhere Classified
827 companies
SIC 8748
Real estate agents and managers
797 companies
SIC 6531
Operators of Nonresidential Buildings
736 companies
SIC 6512
Management consulting
543 companies
SIC 8742
Investors, Not Elsewhere Classified
502 companies
SIC 6799
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 are still here, along with 34,949 other businesses in Norwalk.
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. Look up a company in the table at the top of this page, get the full list delivered as an Excel file, or pull the records straight into your own systems through our API.
- Nonclassifiable Establishments5,171
- Business Services, Not Elsewhere Classified1,832
- Eating Places1,193
- General Contractors-Single-Family Houses1,169
- Business Consulting Services, Not Elsewhere Classified827
- Real Estate Agents and Managers797
- Operators of Nonresidential Buildings736
- Management Consulting Services543
- Investors, Not Elsewhere Classified502
- Transportation Services, Not Elsewhere Classified492
- Other industries21,689
How you receive Norwalk business data
Choose how you want to receive the data. Every company comes with 50+ fields, from address and industry to revenue and contact details, sourced from official United States business registers.
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Open the search toolFrequently 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.
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