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City Statistics

Active Trucking Companies
in Duncan, SC

92 active carriers, brokers & freight companies. Located in Spartanburg County.

Duncan, SC FMCSA data • updated weekly 0.51% of South Carolina
Back to South Carolina Statistics
92
Active Trucking Companies
0.51% of all active carriers in South Carolina
21
New FMCSA Registrations (24 Mo.)
Avg 0.9 new companies per month (+10.0% YoY)
1
Median Fleet Size
Power units at the midpoint of all reporting companies
64.6%
Owner-Operator Rate
vs. 68.8% statewide in South Carolina
New FMCSA Registrations
123 Sep '24Mar '25Sep '25Mar '26Aug '26
21
Total
0.9
Avg / month
3
Best: Jan 2026
0
Lowest: Jan 2025
Company Size Distribution
79
Reporting
Fleets
1 Power Unit 51 64.6%
2–5 Units 16 20.3%
6–20 Units 7 8.9%
21–100 Units 4 5.1%
101+ Units 1 1.3%

Based on total power units reported to FMCSA. Median: 1 unit(s).

Company Age Distribution
8.0
Avg age
(years)
0–2 Years 27 30.0%
3–5 Years 23 25.6%
6–10 Years 10 11.1%
11–20 Years 24 26.7%
20+ Years 6 6.7%

Based on FMCSA registration date. Average age: 8.0 years.

Company Authority Types
Carrier 83 90.2%
Broker 14 15.2%
Shipper 3 3.3%
Freight Forwarder 3 3.3%
Intermodal Equipment Provider 3 3.3%

A company may hold multiple authority types simultaneously.

Top 10 Cargo Types
# Cargo Type Companies % of City
1 General Freight 73 79.3%
2 Construction 16 17.4%
3 Other 14 15.2%
4 Paper Products 13 14.1%
5 Motor Vehicles 10 10.9%
6 Machinery & Large Objects 10 10.9%
7 Beverages 9 9.8%
8 Dry Bulk Commodities 9 9.8%
9 Metal: Sheets & Coils 9 9.8%
10 Refrigerated Food 8 8.7%
Largest Fleets in Duncan
# Company Fleet
1 QUALITY LOGISTICS INC 183
2 STANDARD HAULING LLC 89
3 WHITE HOLDINGS TRUCKING LLC 52
4 PLUMLEY TRUCKING INC 40
5 CENTURY CONCRETE OF THE CAROLINAS 23
6 DAVIS TOWING LLC 18
7 DMX TRANSPORTATION INC 15
8 BEST FLEET INC 15
9 RP EXPEDITING LLC 15
10 LIZA'S EXPRESS INC 7

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Data source: U.S. Federal Motor Carrier Safety Administration (FMCSA) — active carrier registrations. Last updated: August 26, 2026. Active status reflects carriers with FMCSA status code "A" at the time of data collection.