Companies in South Carolina
1.1M companies registered in South Carolina, sourced from official business registers and enriched with industry, size, location and contact data. Below: the largest companies by reported revenue, and how the South Carolina business base breaks down by industry and headcount.
Part of the United States company directory.
Rankings
Largest companies in South Carolina
By reported (actual) revenue, updated September 2026. Public-sector entities are excluded.
| # | Company | Industry | City | Revenue (USD) | Employees |
|---|---|---|---|---|---|
| 1 | Sunbelt Rentals Holdings, Inc. | Rental and leasing of other personal and household goods | Fort Mill | $11.2B | 25,428 |
| 2 | Sonoco Products Company | Manufacture of corrugated paper and paperboard and of containers of paper and paperboard | Hartsville | $7.5B | 22,000 |
| 3 | Domtar Corporation | Manufacture of paper and paperboard | Fort Mill | $6.9B | 13,700 |
| 4 | Advanced Technology International | Combined office administrative service activities | Summerville | $4.9B | 380 |
| 5 | Medical University Hospital Authority | Hospital activities | Charleston | $4.7B | 4,090 |
| 6 | Dominion Energy South Carolina, Inc. | Electric power generation, transmission and distribution | Cayce | $3.6B | 2,400 |
| 7 | Scansource, Inc. | Wholesale of computers, computer peripheral equipment and software | Greenville | $3B | 2,100 |
| 8 | Diversey Holdings, Ltd. | Manufacture of soap and detergents, cleaning and polishing preparations | Fort Mill | $2.8B | 9,000 |
| 9 | South Carolina Public Service Authority (inc) | Electric power generation, transmission and distribution | Moncks Corner | $1.9B | 1,748 |
| 10 | Lexington Health, Inc. | Hospital activities | West Columbia | $1.8B | 80 |
| 11 | Southeastern Freight Lines, LLC | Freight transport by road | Lexington | $1.7B | 8,000 |
| 12 | Lexington Medical Center | Hospital activities | West Columbia | $1.6B | 5,616 |
| 13 | United Community Banks, Inc. | Other monetary intermediation | Greenville | $1.5B | 3,070 |
| 14 | Central Electric Power Cooperative, Inc. | Electric power generation, transmission and distribution | Columbia | $1.5B | 54 |
| 15 | United Community Bank | Other monetary intermediation | Greenville | $1.5B | 2,967 |
| 16 | Spartanburg Regional Health Services District, Inc. | Hospital activities | Spartanburg | $1.4B | 5,000 |
| 17 | Greenville County School District | Primary education | Greenville | $1.4B | 751 |
| 18 | Charleston County School Distr | Primary education | Charleston | $1.3B | 4 |
| 19 | University of South Carolina | Tertiary education | Columbia | $1.3B | 5,100 |
| 20 | McLeod Regional Medical Center of The Pee Dee, Inc. | Hospital activities | Florence | $1.3B | 5,000 |
| 21 | Ingevity Corporation | Manufacture of other inorganic basic chemicals | North Charleston | $1.2B | 1,500 |
| 22 | Clemson University | Tertiary education | Clemson | $1.2B | 4,735 |
| 23 | Blackbaud, Inc. | Software publishing | Charleston | $1.1B | 2,800 |
| 24 | Trident Medical Center, LLC | Hospital activities | Charleston | $915M | 2,000 |
| 25 | Horry County School District | Primary education | Conway | $901M | 5,000 |
Top 25 by revenue reported to the register. Companies filing no revenue figure are not ranked, whatever their size.
Sunbelt Rentals Holdings, Inc. leads South Carolina at $11.2B in reported revenue, from Fort Mill.
Coverage
Companies by industry in South Carolina
The industries holding the most companies, by NACE activity code.
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 South Carolina, with 59,363 companies.
Distribution
Company size
By number of employees.
14,873 companies have no disclosed headcount (excluded from the chart).
92% of South Carolina companies with a disclosed headcount fall in the 1-4 employee band.
Data coverage
What a South Carolina record carries
Share of the state's companies holding each contact field.
19%
with a website
36%
with a phone number
12%
with an email address
Counted against the 1.1M companies in South Carolina. Firmographics — industry, size, address, status — are present on every record.
FAQ
Companies in South Carolina — frequently asked questions
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