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Motor carrier · USDOT 4496279

ISOFLEX USA, San Francisco, CA: USDOT 4496279 safety record, inspections, out-of-service, crashes

ISOFLEX USA among San Francisco County carriers

By power units, ISOFLEX USA is number 515 of 1,956 San Francisco County carriers, level with 1,441 that also file 1; the county’s middle fleet is 1 power unit.

ISOFLEX USA, USDOT 4496279, MCS-150 filed November 18, 2025: 1 power unit (1 truck), 2 drivers (0 with a CDL); San Francisco, CA 94123, San Francisco County; active on the census; Intrastate Non-Hazmat Carriers; carries hazardous materials; not rated by FMCSA; hauls General Freight; registered November 18, 2025.

San Francisco County carriers nearest ISOFLEX USA in fleet size

Roadside inspections

Velarion’s copy of the inspection file holds no inspection for USDOT 4496279.

Crashes

Velarion’s copy of the crash file holds no crash for USDOT 4496279.

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Nearby on the register

Figures from the FMCSA Company Census File, loaded October 15, 2026, and FMCSA’s inspection and crash files.

How this page was built: FMCSA Company Census File, read October 15, 2026.

What this page shows

ISOFLEX USA, a single-power-unit motor carrier based in San Francisco, joined the FMCSA register on November 18, 2025, ahead of 93.8% of the 179,736 California carriers with one power unit. Among the 1,442 carriers registered in San Francisco County with one power unit, this carrier is counted alongside them. It has no crashes or roadside inspections on file, while peers in the state's one-unit group show 20.4% of their 74,458 roadside inspections ending in an out-of-service order.