InfobelPROTalk to a data expert
Mississippi— USA

Companies in Mississippi

529.6K companies registered in Mississippi, sourced from official business registers and enriched with industry, size, location and contact data. Below: the largest companies by reported revenue, and how the Mississippi business base breaks down by industry and headcount.

529.6K
companies
#33
of 50 states
0.8%
of US records
15
industries ranked
September 2026
data updated

Part of the United States company directory.

Rankings

Largest companies in Mississippi

By reported (actual) revenue, updated September 2026. Public-sector entities are excluded.

#CompanyIndustryCityRevenue (USD)Employees
1The Yates Companies IncConstruction of residential and non-residential buildingsPhiladelphia$4.6B7,000
2Cal-Maine Foods, Inc.Raising of poultryRidgeland$4.3B3,828
3Board of Trustees of State Institutions of Higher LearningTertiary educationJackson$3.8B65
4W. G. Yates & Sons Construction CompanyConstruction of residential and non-residential buildingsPhiladelphia$3.7B2,588
5Whitney Hancock BankOther monetary intermediationGulfport$2B3,476
6Whitney Hancock CorporationOther monetary intermediationGulfport$2B3,627
7Entergy Mississippi, LLCElectric power generation, transmission and distributionJackson$2B793
8Mississippi Power CompanyElectric power generation, transmission and distributionGulfport$1.7B1,100
9Entergy Utility Enterprises, Inc.Electric power generation, transmission and distributionJackson$1.6B724
10Renasant CorporationOther monetary intermediationTupelo$1.4B3,000
11University of Mississippi Medical CenterTertiary educationJackson$1.4B9,200
12University of Mississippi Medical CenterHospital activitiesJackson$1.4B19
13Trustmark BankOther monetary intermediationJackson$1.1B2,500
14Trustmark CorporationOther monetary intermediationJackson$1.1B2,543
15Renasant BankOther monetary intermediationTupelo$1.1B2,221
16North Mississippi Medical Center, Inc.Hospital activitiesTupelo$985M6,000
17Cooperative Energy, A Mississippi Electric CooperativeElectric power generation, transmission and distributionHattiesburg$957M238
18Forrest County General HospitalHospital activitiesHattiesburg$786M4,030
19Eastgroup Properties, Inc.Fund management activitiesRidgeland$721M103
20Mississippi State UniversityTertiary educationMississippi State$696M4,500
21Entergy Operations, Inc.Electric power generation, transmission and distributionJackson$630M3,600
22St. Dominic-Jackson Memorial HospitalHospital activitiesJackson$624M2,400
23University of MississippiTertiary educationUniversity$615M8,700
24Mha Solutions, Inc.Hospital activitiesHattiesburg$608M182
25Mississippi Baptst Medical Center, Inc.Hospital activitiesJackson$588M3,000

Top 25 by revenue reported to the register. Companies filing no revenue figure are not ranked, whatever their size.

The Yates Companies Inc leads Mississippi at $4.6B in reported revenue, from Philadelphia.

Coverage

Companies by industry in Mississippi

The industries holding the most companies, by NACE activity code.

Other business support service activities n.e.c.8299
36,693
Management of real estate on a fee or contract basis6832
17,199
Business and other management consultancy activities7022
16,821
Restaurants and mobile food service activities5610
14,273
Activities of religious organisations9491
13,810
Construction of residential and non-residential buildings4120
13,792
Removal services4942
13,146
Trusts, funds and similar financial entities6430
11,100
Other transportation support activities5229
11,007
Other human health activities8690
10,897
Mixed farming0150
10,500
Real estate agencies6831
9,919
Maintenance and repair of motor vehicles4520
9,631
Hairdressing and other beauty treatment9602
8,823
General medical practice activities8621
8,615

Ranked by number of companies. Each record carries its NACE code alongside SIC and NAICS, so the same segment can be pulled in any of the three schemes.

Browse these directories

Other business support service activities n.e.c. is the largest activity in Mississippi, with 36,693 companies.

Distribution

Company size

By number of employees.

1-4
470,415
5-9
33,707
10-19
10,224
20-49
6,438
50-99
2,287
100-199
1,058
200-499
675
500-999
210
1000+
165

4,467 companies have no disclosed headcount (excluded from the chart).

90% of Mississippi companies with a disclosed headcount fall in the 1-4 employee band.

Data coverage

What a Mississippi record carries

Share of the state's companies holding each contact field.

20%

with a website

44%

with a phone number

13%

with an email address

Counted against the 529.6K companies in Mississippi. Firmographics — industry, size, address, status — are present on every record.

FAQ

Companies in Mississippi — frequently asked questions

There are 529.6K companies registered in Mississippi in the InfobelPRO database, across every sector from sole proprietorships to large enterprises.
By revenue reported to the register, the largest company headquartered in Mississippi is The Yates Companies Inc, based in Philadelphia, in construction of residential and non-residential buildings.
Other business support service activities n.e.c. (36,693 companies), Management of real estate on a fee or contract basis (17,199 companies), Business and other management consultancy activities (16,821 companies) lead the Mississippi business base by number of companies.
Registered name and address, industry classification in NACE, SIC and NAICS, company status and legal form, employee band, reported revenue where filed, and contact fields — website, phone and email — where available.
Yes. The Mississippi file is available as a bulk export or through the API, filtered by industry, company size, city or revenue. Licensing is on volume and use, not per seat.

Need the full Mississippi company file?

Export 529.6K Mississippi companies with firmographics, size, location and contact fields — API, bulk file or CRM enrichment.

Talk to a data expertGet the full database