Companies in Boston

Behind every street in Boston sits a business. 94,795 of them, to be exact, all registered in the United States business register. The biggest single industry is general business services with 3,362 companies, roughly 4% of everything that does business in the city.

94,795 businesses indexed

Commonwealth Of MassachusettsCommonwealth Of Massachusetts
Showing 25 of 94,795 companies
Company NameCountryCityAddress 1State/ProvincePostal CodeWebsiteFounding YearYearly Revenue in U.S. DollarsEmployees TotalBusiness Legal Type - DescriptionNumber of Companies in GroupCompany Registration Number
1
Commonwealth Of Massachusetts
USA
Boston
1 Ashburton Pl Fl 9
Suffolk
02108-1518
macomptroller.*****
1788
$83,577,587,000
59,253
Corporation
1782
N/A
2
Liberty Mutual Holding Company INC.
USA
Boston
175 Berkeley St
Suffolk
02117
libertymutual.*****
2002
$49,412,000,000
45,000
Corporation
1203
000805238
3
State Street Bank And Trust Company
USA
Boston
1 Congress St
Suffolk
02114
statestreet.*****
1792
$21,408,000,000
50,555
Corporation
306
041867445
4
Santander Holdings USA, INC.
USA
Boston
75 State St
Suffolk
02109
santanderbank.*****
2009
$15,917,681,000
10,300
Corporation
9644
07018823
5
The Boston Consulting Group INC
USA
Boston
200 Pier 4 Blvd Ste 1000
Suffolk
02210-2655
bcg.*****
1967
$14,400,000,000
33,500
Corporation
186
042432614
6
State Street CORPORATION
USA
Boston
1 Congress St
Suffolk
02114-2016
statestreet.*****
1969
$13,944,000,000
52,000
Corporation
306
042456637
7
Wayfair INC.
USA
Boston
4 Copley Pl Ste 700
Suffolk
02116-6513
aboutwayfair.*****
2002
$12,457,000,000
12,800
Corporation
37
5583847
8
Vertex Pharmaceuticals Incorporated
USA
Boston
50 Northern Ave
Suffolk
02210-1862
vrtx.*****
1989
$12,001,300,000
6,400
Corporation
57
043039129
9
American Tower CORPORATION
USA
Boston
222 Berkeley St Fl 7
Suffolk
02116-3748
americantower.*****
2011
$10,644,600,000
4,866
Corporation
644
4983939
10
Blue Cross And Blue Shield Of Massachusetts, INC.
USA
Boston
101 Huntington Ave Ste 1300
Suffolk
02199-7611
bluecrossma.*****
1937
$10,300,000,000
2,800
Corporation
16
041045815
11
Fidelity Phillips Street Trust
USA
Boston
82 Devonshire St
Suffolk
02109-3614
N/A
2006
$10,241,310,914
2
N/A
N/A
12
Lmhc Massachusetts Holdings INC.
USA
Boston
175 Berkeley St
Suffolk
02117
libertymutual.*****
2001
$9,705,084,722
50,000
Corporation
1203
000804944
13
Liberty Mutual Group INC.
USA
Boston
175 Berkeley St
Suffolk
02116-3350
libertymutual.*****
2001
$9,697,603,500
50,000
Corporation
1203
000804945
14
Bmc Health System, INC.
USA
Boston
1 Boston Medical Ctr Pl
Suffolk
02118-2908
bmc.*****
2013
$8,830,274,000
4,200
Corporation
43
N/A
15
Veolia North America, LLC
USA
Boston
100 Federal St Bsmt 3
Suffolk
02110-1978
veolianorthamerica.*****
2008
$7,114,749,016
33,023
Corporation
6401
N/A
16
Toast, INC.
USA
Boston
333 Summer St
Suffolk
02210-1702
pos.*****
2011
$6,153,000,000
6,500
Corporation
12
5085035
17
Liberty Mutual Insurance Company
USA
Boston
175 Berkeley St
Suffolk
02116-3350
libertymutual.*****
1912
$6,147,968,339
50,000
Corporation
1203
041543470
18
Draftkings INC.
USA
Boston
222 Berkeley St Ste 500
Suffolk
02116-3753
oxfordproperties.*****
2011
$6,054,525,000
5,500
Corporation
45
E16654302021-6
19
Blue Cross And Blue Shield Of Massachusetts Hmo Blue, INC.
USA
Boston
101 Huntington Ave Ste 1300
Suffolk
02199-7611
bluecrossma.*****
1997
$5,851,428,643
88
Corporation
N/A
N/A
20
City Of Boston
USA
Boston
1 City Hall Sq Ste 242
Suffolk
02201
cityofbostoncu.*****
1630
$5,741,520,000
18,760
Corporation
300
N/A
21
Veolia Environmental Services North America LLC
USA
Boston
53 State St Ste 14
Suffolk
02109-3205
veolianorthamerica.*****
2000
$5,318,383,331
32,950
Corporation
6401
N/A
22
The Connecticut Light And Power Company
USA
Boston
800 Boylston St Spc 17
Suffolk
02199-7050
cl-p.*****
1927
$5,240,994,000
1,554
Corporation
189
0282361
23
Massachusetts Department Of Transportation
USA
Boston
10 Park Plz Ste 4160
Suffolk
02116
mass.*****
1969
$5,052,563,000
6,100
Corporation
1782
N/A
24
Advent International, L.P.
USA
Boston
800 Boylston St Ste 500
Suffolk
02199-8110
adventinternational.*****
1984
$4,592,788,293
37,900
Corporation
1635
2044184
25
The Children's Hospital CORPORATION
USA
Boston
300 Longwood Ave
Suffolk
02115
childrenshospital.*****
1982
$4,497,733,000
8,000
Corporation
30
N/A

Showing 25 of 94,795 companies

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Largest industries in Boston

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

General business services

3,362 companies

SIC 7389

View all 3,362 in our tool →

Real estate agents and managers

3,197 companies

SIC 6531

View all 3,197 in our tool →

Restaurants and eating places

2,964 companies

SIC 5812

View all 2,964 in our tool →

Investors, Not Elsewhere Classified

2,789 companies

SIC 6799

View all 2,789 in our tool →

Legal Services

2,482 companies

SIC 8111

View all 2,482 in our tool →

Business Consulting Services, Not Elsewhere Classified

2,060 companies

SIC 8748

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Operators of Nonresidential Buildings

1,927 companies

SIC 6512

View all 1,927 in our tool →

Management Investment Offices, Open-End

1,901 companies

SIC 6722

View all 1,901 in our tool →

All industries in Boston

Together, general business services, real estate agents and managers and restaurants and eating places make up the top three industries in Boston, accounting for 10% of the city's commercial activity. The oldest company we can find in Boston is Massachusetts Highway Department, founded in 1788, with State Street Bank And Trust Company not far behind. They're still here, along with hundreds of thousands of others.

Few cities pack as much research into as few square miles as Boston, where hospitals, universities, biotech labs and old money finance drive the local trade. All of them are in our data. Search Boston 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.

94,795companies
  • Nonclassifiable Establishments21,196
  • Business Services, Not Elsewhere Classified3,362
  • Real Estate Agents and Managers3,197
  • Eating Places2,964
  • Investors, Not Elsewhere Classified2,789
  • Legal Services2,482
  • Business Consulting Services, Not Elsewhere Classified2,060
  • Operators of Nonresidential Buildings1,927
  • Management Investment Offices, Open-End1,901
  • Management Consulting Services1,796
  • Other industries51,121

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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 Boston 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 Boston company data.

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