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City Statistics

Active Trucking Companies
in Duncan, SC

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

Duncan, SC FMCSA data • updated weekly 0.49% of South Carolina
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89
Active Trucking Companies
0.49% of all active carriers in South Carolina
19
New FMCSA Registrations (24 Mo.)
Avg 0.8 new companies per month (+11.1% YoY)
1
Median Fleet Size
Power units at the midpoint of all reporting companies
62.3%
Owner-Operator Rate
vs. 68.3% statewide in South Carolina
New FMCSA Registrations
123 Nov '24May '25Nov '25May '26Oct '26
19
Total
0.8
Avg / month
3
Best: Jan 2026
0
Lowest: Jan 2025
Company Size Distribution
77
Reporting
Fleets
1 Power Unit 48 62.3%
2–5 Units 17 22.1%
6–20 Units 7 9.1%
21–100 Units 4 5.2%
101+ Units 1 1.3%

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

Company Age Distribution
8.3
Avg age
(years)
0–2 Years 24 27.0%
3–5 Years 23 25.8%
6–10 Years 11 12.4%
11–20 Years 25 28.1%
20+ Years 6 6.7%

Based on FMCSA registration date. Average age: 8.3 years.

Company Authority Types
Carrier 80 89.9%
Broker 14 15.7%
Shipper 3 3.4%
Freight Forwarder 3 3.4%
Intermodal Equipment Provider 3 3.4%

A company may hold multiple authority types simultaneously.

Top 10 Cargo Types
# Cargo Type Companies % of City
1 General Freight 73 82.0%
2 Building Materials 33 37.1%
3 Construction 33 37.1%
4 Paper Products 21 23.6%
5 Machinery & Large Objects 21 23.6%
6 Motor Vehicles 19 21.3%
7 Metal: Sheets & Coils 19 21.3%
8 Beverages 17 19.1%
9 Fresh Produce 15 16.9%
10 Dry Bulk Commodities 15 16.9%
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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Browse Duncan Companies
Data source: U.S. Federal Motor Carrier Safety Administration (FMCSA) — active carrier registrations. Last updated: October 14, 2026. Active status reflects carriers with FMCSA status code "A" at the time of data collection.