Massachusetts Business Search

Find Massachusetts business entities by name or registration number. Look up addresses, entity types, and company details for MA-registered LLCs, corporations, and more.

Top Companies in Massachusetts

Largest Massachusetts business entities by revenue. Filter by employee size or sort by different criteria.

Company NameEmailCountryCityAddress 1PhoneState/ProvincePostal CodeWebsiteFounding YearYearly Revenue in U.S. DollarsEmployees TotalBusiness Legal Type - DescriptionNumber of Companies in GroupCompany Registration Number
1
Fidelity Phillips Street Trust
*****@***.***
USA
Boston
82 Devonshire St
+** ********
Suffolk
02109
N/A
2006
$11,068,799,000
2
N/A
N/A
N/A
2
Blue Cross And Blue Shield Of Massachusetts Hmo Blue, INC.
******@****.***
USA
Boston
101 Huntington Ave Ste 1300
+** *********
Suffolk
02199
bluecrossma.*****
1997
$5,851,428,643
76
N/A
N/A
N/A
3
Sharkninja, INC.
*******@*****.***
USA
Needham
89 A St Ste 100
+** ********
Norfolk
02494
sharkclean.*****
2017
$5,528,639,000
3,688
N/A
N/A
N/A
4
Boston Medical Center Health Plan, INC.
********@******.***
USA
Charlestown
529 Main St Ste 500
+** *********
Suffolk
02129
wellsense.*****
1997
$5,124,054,000
300
N/A
N/A
043373331
5
Federal Home Loan Bank Of Boston
*********@*******.***
USA
Boston
800 Boylston St Spc 9
+** ********
Suffolk
02199
fhlbboston.*****
1932
$3,635,056,000
206
N/A
N/A
046002575
6
Maxim Integrated Products, LLC
**********@********.***
USA
Wilmington
1 Analog Way
+** *********
Middlesex
01887
maximintegrated.*****
2021
$2,632,529,000
7,130
N/A
N/A
2135378
7
University Health Network
***********@***.***
USA
Longmeadow
140 Ellington St
+** ********
Hampden
01106
N/A
2016
$2,427,464,225
2
N/A
N/A
986000971
8
New York's 529 Advisor-Guided College Savings Program
************@****.***
USA
Newton
95 Wells Ave Ste 155
+** *********
Barnstable
02459
nysaves.*****
N/A
$1,912,781,469
2
N/A
N/A
N/A
9
Db Master Finance Parent LLC
*****@*****.***
USA
Canton
130 Royall St
+** ********
Norfolk
02021
N/A
2023
$1,646,257,000
3
N/A
N/A
N/A
10
Collegechoice Advisor 529 Savings Plan
******@******.***
USA
Newton
Upromise Investments Service Center
+** *********
Barnstable
02459
N/A
2013
$1,264,776,826
2
N/A
N/A
N/A
Download 1,112,114 Companies
Massachusetts-Companies.csv

Massachusetts Business Entity Search

Looking up a Massachusetts business entity? Our database lets you search by company name or registration number and get instant results — including the company's registered address, entity type (LLC, Corporation, etc.), founding year, industry classification, and employee count.

This is a faster alternative to the Massachusetts Secretary of State's official filing database, with additional data fields like revenue estimates and corporate hierarchy that state registries don't provide. Results cover both active and inactive entities.

What you can look up

  • Registered business address
  • Entity type (LLC, Corp, LP, etc.)
  • Registration / filing number
  • Founding year & status
  • Industry classification (SIC/NAICS)

Additional data available

  • Employee count & revenue estimates
  • Corporate hierarchy & parent company
  • Email & phone (with data license)
  • Website & trade names
  • Bulk export to CSV

Related searches

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