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Vermont— USA

Companies in Vermont

130.3K companies registered in Vermont, sourced from official business registers and enriched with industry, size, location and contact data. Below: the largest companies by reported revenue, and how the Vermont business base breaks down by industry and headcount.

130.3K
companies
#50
of 50 states
0.2%
of US records
15
industries ranked
September 2026
data updated

Part of the United States company directory.

Rankings

Largest companies in Vermont

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

#CompanyIndustryCityRevenue (USD)Employees
1Casella Waste Systems, Inc.Collection of non-hazardous wasteRutland$1.8B5,600
2The University of Vermont Medical Center IncHospital activitiesBurlington$1.8B7,000
3Green Mountain Power CorporationElectric power generation, transmission and distributionColchester$907M510
4University of Vermont & State Agricultural CollegeTertiary educationBurlington$719M3,710
5The Rutland Hospital IncHospital activitiesRutland$364M1,350
6Central Vermont Medical Center, Inc.Hospital activitiesBerlin$320M1,200
7The President and Fellows of Middlebury CollegeTertiary educationMiddlebury$318M1,000
8Vermont Transco LLCElectric power generation, transmission and distributionRutland$251M3
9Southwestern Vermont Health Care CorporationHospital activitiesBennington$236M1,200
10Southwestern Vermont Medical Center, Inc.Hospital activitiesBennington$229M750
11Vermont Electric Power Company, Inc.Electric power generation, transmission and distributionRutland$211M150
12Mapfre RE Vermont CorporationOther social work activities without accommodation n.e.c.East Montpelier$145M3
13Area Resource For Individualized Services, Inc.Accounting, bookkeeping and auditing activities; tax consultancyWhite River Junction$138M40
14Norwich UniversityTertiary educationNorthfield$137M510
15Northwestern Medical Center, Inc.Hospital activitiesSt. Albans$136M900
16Howardcenter, Inc.Other social work activities without accommodation n.e.c.Burlington$132M1,600
17Northeastern Vermont Regional Hospital, Inc.Hospital activitiesSt. Johnsbury$132M500
18Vermont Energy Investment CorporationBusiness and other management consultancy activitiesWinooski$131M275
19Vermont Housing & Conservation BoardRegulation of the activities of providing health care, education, cultural services and other social services, excluding social securityMontpelier$130M1
20Brattleboro Memorial Hospital, Inc.Hospital activitiesBrattleboro$117M700
21Vermont State CollegesTertiary educationMontpelier$112M2,100
22North Country Hospital and Health Center, Inc.Hospital activitiesNewport$109M450
23Copley Hospital, Inc.Hospital activitiesMorrisville$108M351
24Vermont Electric Cooperative, Inc.Electric power generation, transmission and distributionJohnson$100M102
25Porter Hospital, Inc.Hospital activitiesMiddlebury$98M168

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

Casella Waste Systems, Inc. leads Vermont at $1.8B in reported revenue, from Rutland.

Coverage

Companies by industry in Vermont

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

Other business support service activities n.e.c.8299
6,544
Activities of other membership organisations n.e.c.9499
5,037
Business and other management consultancy activities7022
4,857
Management of real estate on a fee or contract basis6832
4,206
Construction of residential and non-residential buildings4120
3,996
Restaurants and mobile food service activities5610
3,638
Mixed farming0150
3,531
Real estate agencies6831
3,386
General medical practice activities8621
3,231
Other human health activities8690
2,684
Trusts, funds and similar financial entities6430
2,500
Other social work activities without accommodation n.e.c.8899
2,408
Other specialised construction activities n.e.c.4399
2,393
Retail sale of flowers, plants, seeds, fertilisers, pet animals and pet food in specialised stores4776
2,286
Maintenance and repair of motor vehicles4520
2,259

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 Vermont, with 6,544 companies.

Distribution

Company size

By number of employees.

1-4
114,377
5-9
8,815
10-19
2,894
20-49
1,810
50-99
724
100-199
352
200-499
191
500-999
70
1000+
38

1,025 companies have no disclosed headcount (excluded from the chart).

88% of Vermont companies with a disclosed headcount fall in the 1-4 employee band.

Data coverage

What a Vermont record carries

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

31%

with a website

49%

with a phone number

20%

with an email address

Counted against the 130.3K companies in Vermont. Firmographics — industry, size, address, status — are present on every record.

FAQ

Companies in Vermont — frequently asked questions

There are 130.3K companies registered in Vermont in the InfobelPRO database, across every sector from sole proprietorships to large enterprises.
By revenue reported to the register, the largest company headquartered in Vermont is Casella Waste Systems, Inc., based in Rutland, in collection of non-hazardous waste.
Other business support service activities n.e.c. (6,544 companies), Activities of other membership organisations n.e.c. (5,037 companies), Business and other management consultancy activities (4,857 companies) lead the Vermont 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 Vermont 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.

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