Companies in Pasadena

Behind every street in Pasadena sits a business. 71,764 of them, to be exact, all registered in the United States business register. The biggest single industry is general business services with 4,074 companies, roughly 6% of everything that does business in the city.

71,764 businesses indexed

Tetra Tech, INC.Tetra Tech, INC.
Showing 25 of 71,764 companies
Company NameCountryCityAddress 1State/ProvincePostal CodeWebsiteFounding YearYearly Revenue in U.S. DollarsEmployees TotalBusiness Legal Type - DescriptionNumber of Companies in GroupCompany Registration Number
1
Tetra Tech, INC.
USA
Pasadena
3475 E Foothill Blvd
Los Angeles
91107-6024
tetratech.*****
1966
$5,442,590,000
25,050
Corporation
647
N/A
2
East West Bancorp, INC.
USA
Pasadena
135 N Los Robles Ave Fl 7
Los Angeles
91101-4525
eastwestbank.*****
1998
$4,672,623,000
3,350
Corporation
118
2939153
3
East West Bank
USA
Pasadena
135 N Los Robles Ave Fl 7
Los Angeles
91101
eastwestbank.*****
1973
$4,519,086,000
3,098
Corporation
118
952795851
4
California Institute Of Technology
USA
Pasadena
1200 E California Blvd
Los Angeles
91125-0001
caltech.*****
1891
$3,240,729,000
6,552
Corporation
51
0020720
5
Alexandria Real Estate Equities, INC.
USA
Pasadena
26 N Euclid Ave
Los Angeles
91101-1961
are.*****
1994
$3,026,556,000
514
Corporation
73
D03996790
6
Southern California Permanente Medical Group
USA
Pasadena
393 Walnut Dr
Los Angeles
91107-4922
kp.*****
1981
$1,778,115,664
7,969
Corporation
1276
1044035
7
Acco Engineered Systems, INC.
USA
Pasadena
888 E Walnut St
Los Angeles
91101-1895
accoes.*****
1934
$1,512,722,000
1,950
Corporation
34
0246091
8
Total Safety U.S., INC.
USA
Pasadena
4210 Malone Dr
Harris
77507-1841
totalsafety.*****
2003
$950,577,023
2,500
Corporation
120
3728630
9
Dine Brands Global, INC.
USA
Pasadena
10 W Walnut St Fl 5
Los Angeles
91103-3633
dinebrands.*****
1958
$879,300,000
992
Corporation
187
824342
10
Arrowhead Pharmaceuticals, INC.
USA
Pasadena
177 E Colorado Blvd Ste 700
Los Angeles
91105-1976
arrowheadpharma.*****
1989
$829,448,000
711
Corporation
15
3354811
11
Pasadena Hospital Association, LTD.
USA
Pasadena
100 W California Blvd
Los Angeles
91105-3010
healthy.*****
1932
$786,533,006
2,800
Corporation
17
0021233
12
The Pasadena Independent School District Alumni Association Incorporated
USA
Pasadena
3920 Mickey Gilley Blvd
Harris
77505-3005
www1.*****
1895
$664,848,283
5,000
Corporation
70
0151783601
13
Floworks International LLC
USA
Pasadena
3750 Pasadena Fwy
Harris
77503-1134
gofloworks.*****
2023
$663,042,256
1,021
Corporation
80
5116249
14
S-I Intermediate Holdings, INC.
USA
Pasadena
3750 Hwy 225
Harris
77503
N/A
2012
$663,042,256
1,021
Corporation
80
N/A
15
Floworks USA LP
USA
Pasadena
3750 Highway 225
Harris
77503
gofloworks.*****
1996
$509,087,620
1,021
Partnership of unknown type
80
2620918
16
Cit Bank, N.A.
USA
Pasadena
75 N Fair Oaks Ave Ste C
Los Angeles
91103-3647
cit.*****
2022
$498,618,677
850
Corporation
880
N/A
17
Inter-Con Security Systems, INC.
USA
Pasadena
210 S de Lacey Ave
Los Angeles
91105-2048
icsecurity.*****
1973
$496,173,166
25,000
Corporation
42
953020192
18
Sulzer Pumps (us) INC.
USA
Pasadena
1906 Jasmine Dr
Harris
77503-3224
sulzer.*****
1988
$471,352,858
908
Corporation
425
2095029
19
Calstart, INC.
USA
Pasadena
48 S Chester Ave
Los Angeles
91106-3105
calstart.*****
1992
$396,843,381
25
Corporation
3
1819492
20
Chca Bayshore, L.P.
USA
Pasadena
4000 Spencer Hwy
Harris
77504-1202
hcahoustonhealthcare.*****
2014
$389,002,319
48
Partnership of unknown type
3837
3126736
21
J. G. Boswell Company
USA
Pasadena
101 W Walnut St
Los Angeles
91103
eastlakeco.*****
1921
$370,202,424
2,000
Corporation
13
0116038
22
Wescom Central Credit Union
USA
Pasadena
123 S Marengo Ave
Los Angeles
91101-2428
wescom.*****
1934
$369,054,454
604
Corporation
30
0160718
23
Pasadena Unified School District
USA
Pasadena
351 S Hudson Ave
Los Angeles
91101
pusd.*****
1874
$363,933,626
2,840
Corporation
47
N/A
24
Kaneka Americas Holding, INC.
USA
Pasadena
6250 Underwood Rd
Harris
77507-1061
kaneka.*****
1982
$341,290,321
300
Corporation
353
0060686100
25
Operating Engineers Health & Welfare Fund
USA
Pasadena
100 Corson St
Los Angeles
91103-3892
oefi.*****
2014
$299,981,733
6
Corporation
N/A
956034886

Showing 25 of 71,764 companies

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Largest companies in Pasadena

Which company is the largest in Pasadena 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, Tetra Tech, INC. comes first in Pasadena. It is part of a group with $5.4 billion in yearly revenue. By headcount, Blue Chip Stamps, INC. comes first with 3,074 employees. We only looked at the 40,087 corporations in Pasadena for this; sole traders, foundations and other legal forms are left out.

The two tables below show how all 71,764 companies in Pasadena are spread across revenue and headcount bands.

Yearly revenue

50.3%of companies have less than $100,000 in yearly revenue

Revenue (USD)CountShare
up to $100,00036,083
$100,000 to $500,00027,215
$500,000 to $1M1,944
$1M to $5M1,351
$5M to $10M199
$10M to $50M193
$50M to $100M24
$100M to $500M28
$500M to $1B8
$1B or more7
Unknown4,712

Headcount

87.4%of companies have 1 to 4 employees

EmployeesCountShare
1-462,705
5-95,098
10-191,563
20-49933
50-99405
100-199163
200-49984
500-99924
1,000-4,99911
5,000-9,9992
Unknown776

Source: business register and CompanyData. "Unknown" means no published figure.

Largest industries in Pasadena

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

General business services

4,074 companies

SIC 7389

View all 4,074 in our tool →

Restaurants and eating places

2,200 companies

SIC 5812

View all 2,200 in our tool →

Investors, Not Elsewhere Classified

1,849 companies

SIC 6799

View all 1,849 in our tool →

Business Consulting Services, Not Elsewhere Classified

1,835 companies

SIC 8748

View all 1,835 in our tool →

Operators of Nonresidential Buildings

1,680 companies

SIC 6512

View all 1,680 in our tool →

General Contractors-Single-Family Houses

1,610 companies

SIC 1521

View all 1,610 in our tool →

Real estate agents and managers

1,574 companies

SIC 6531

View all 1,574 in our tool →

Offices and Clinics of Doctors of Medicine

1,563 companies

SIC 8011

View all 1,563 in our tool →

All industries in Pasadena

Together, general business services, restaurants and eating places and Investors, Not Elsewhere Classified make up the top three industries in Pasadena, accounting for 11% of the city's commercial activity. The oldest company we can find in Pasadena is Pasadena Unified School District, founded in 1874, with Pasadena Presbyterian Church Foundation not far behind. They are still here, along with 71,762 other businesses in Pasadena.

From medical practices and engineering offices to restaurants and retail, the local mix here looks like a healthy cross-section of American city life rather than one dominant industry. 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.

71,764companies
  • Nonclassifiable Establishments11,635
  • Business Services, Not Elsewhere Classified4,074
  • Eating Places2,200
  • Investors, Not Elsewhere Classified1,849
  • Business Consulting Services, Not Elsewhere Classified1,835
  • Operators of Nonresidential Buildings1,680
  • General Contractors-Single-Family Houses1,610
  • Real Estate Agents and Managers1,574
  • Offices and Clinics of Doctors of Medicine1,563
  • Legal Services1,403
  • Other industries42,341

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<p>Source: <a href="https://companydata.com/usa/pasadena/">Companies in Pasadena</a> by CompanyData</p>

How you receive Pasadena 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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Frequently Asked Questions

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

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