Zum Services, Inc.
Zum Services, Inc. is an active charter-party carrier (TCP) based in Redwood City, CA.
It holds an Active California PUC license (PSG0035590), an Active USDOT number (3373523), and is certified as a School Pupil Activity Bus (SPAB) carrier.
The company has 1 known citation, the most recent on Nov 30, 2021, and carries a Satisfactory rating at its most recent terminal inspection on Feb 6, 2026 and Controlled Substances and Alcohol inspection on Nov 14, 2025.
Last updated on May 17, 2026.
License
- CPUC PSG0035590
Aug 18, 2028 - Active
- May
- Apr
Subscribe to view up to 12 months of license history.
- USDOT 3373523
Interstate - Active
- School Pupil Activity Bus (SPAB)
Feb 6, 2026 - Active
Safety
Citations
- T.21-11-002
Nov 30, 2021 - 1 Violation
Subscribe to view violation details.
Inspections
- Terminal: Palm Springs, CA
Feb 6, 2026 - Satisfactory
- Controlled Substances and Alcohol
Nov 14, 2025 - Satisfactory
Insurance
- Workers Compensation
Ace American Insurance Company - Active
- PL/PD Primary
Ace American Insurance Company - Active
- PL/PD Excess
Gemini Insurance Company - Active
- PL/PD Primary
Zsi Insurance Company Risk Retention Group, Inc. - Active
- Workers Compensation
Aiu Insurance Company - Active
Fleet
2939 Vehicles
- Van
- 275
- School Bus
- 2664