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City Statistics

Active Trucking Companies
in San Marcos, CA

467 active carriers, brokers & freight companies. Located in San Diego County.

San Marcos, CA FMCSA data • updated weekly 0.17% of California
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467
Active Trucking Companies
0.17% of all active carriers in California
20
New FMCSA Registrations (24 Mo.)
Avg 0.8 new companies per month (-10.0% YoY)
1
Median Fleet Size
Power units at the midpoint of all reporting companies
69.7%
Owner-Operator Rate
vs. 77.5% statewide in California
New FMCSA Registrations
112 Nov '24May '25Nov '25May '26Oct '26
19
Total
0.8
Avg / month
2
Best: May 2025
0
Lowest: Feb 2025
Company Size Distribution
195
Reporting
Fleets
1 Power Unit 136 69.7%
2–5 Units 45 23.1%
6–20 Units 10 5.1%
21–100 Units 4 2.1%
101+ Units 0 0.0%

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

Company Age Distribution
10.0
Avg age
(years)
0–2 Years 26 5.6%
3–5 Years 26 5.6%
6–10 Years 76 16.3%
11–20 Years 331 70.9%
20+ Years 8 1.7%

Based on FMCSA registration date. Average age: 10.0 years.

Company Authority Types
Carrier 451 96.6%
Broker 12 2.6%
Shipper 9 1.9%
Freight Forwarder 8 1.7%

A company may hold multiple authority types simultaneously.

Top 10 Cargo Types
# Cargo Type Companies % of City
1 Other 385 82.4%
2 General Freight 85 18.2%
3 Building Materials 33 7.1%
4 Construction 33 7.1%
5 Household Goods 14 3.0%
6 Machinery & Large Objects 13 2.8%
7 Refrigerated Food 12 2.6%
8 Meat 12 2.6%
9 Fresh Produce 11 2.4%
10 Garbage & Refuse 11 2.4%
Largest Fleets in San Marcos
# Company Fleet
1 ST DISTRIBUTING CO LLC 93
2 MADE IT LOGISTICS LLC 80
3 HOLLANDIA DAIRY INC 67
4 CALIFORNIA TREE SERVICE INC 29
5 RAP ENGINEERING INC 20
6 STINGRAY DISTRIBUTING INC 11
7 KRC ROCK INC 10
8 MODERN BUILDERS SUPPLY INC 10
9 SPRING WATER OF SAN DIEGO LLC 9
10 SWANILLON INC 8

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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.