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Truck Graph
0/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Mar'S Engineering Co INC
DOT 3100424 · San Leandro, CA
Report generated: June 3, 2026 at 7:30 AM
✗Authorized for hire?
✗Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Mar'S Engineering Co INC (DOT 3100424) is a California-based intrastate carrier headquartered in San Leandro, CA. As of June 3, 2026 at 7:30 AM, operating authority is active but without for-hire authority. TruckGraph has detected 1 risk signal on this carrier, including: no active insurance filing on record. TruckGraph rates this carrier "Do Not Tender" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 3, 2026 at 7:30 AM.

FMCSA Public Record
Mar'S Engineering Co INC
DOT Number3100424
MC Number—
Street699 MONTAGUE ST
City / StateSan Leandro, CA 94577-4323
Phone5104830541
Operation typeIntrastate
HazmatNot authorized
Authority age8 yr 3 mo
MCS-150 filed04/15/2025
Company officerManny Ambrosio
Power units1
Total drivers3
Authority Status
Common (for-hire)—
Contract (for-hire)—
Broker—
TruckGraph Intelligence
Risk Signals
●No active insurance filing on record
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
Network Intelligence Map
Carriers sharing an officer, address, or phone with Mar'S Engineering Co INC
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Power Units
1
Fleet
Drivers
3
Total
Inspections
0
On record
Crashes
0
On record
OOS Rate
—
↓ Avg 22.26%
Authority Age
8 yr 3 mo
Since 2018
Inspection History
0 total · No inspections

No inspection records on file.

Crash History
0 total on record

No crash records on file.

Insurance Status
⚠ No active insurance filing on record
Verify insurance directly with carrier before tendering any load.
Location
699 MONTAGUE ST, San Leandro, CA, 94577-4323 · Open in Maps →
699 MONTAGUE ST, SAN LEANDRO, CA, 94577-4323Open in Maps →
Authority Timeline
Authority GrantedFeb 2018
FMCSA issued operating authority
Active USDOT — No for-hire authorityCurrent
USDOT record is active but no for-hire operating authority is currently granted

Source: FMCSA compliance records, inspection data, crash records, insurance filings, and TruckGraph analysis. View methodology

Important Legal Notice

Data sourced from FMCSA public records and TruckGraph independent analysis. This is not legal advice, not a guarantee of carrier safety, and not a compliance certification. Verify through official FMCSA sources before tendering. Last synced: .

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Frequently Asked Questions

Is Mar'S Engineering Co INC authorized to operate?

Mar'S Engineering Co INC's USDOT number is active but it does not hold operating authority for for-hire interstate operations. It may operate as a private carrier. Verify status before tendering.

What is Mar'S Engineering Co INC's safety record?

Mar'S Engineering Co INC does not have a substantial inspection history on record. This may indicate limited interstate operations.

How many trucks does Mar'S Engineering Co INC operate?

Mar'S Engineering Co INC operates 1 power units with approximately 3 drivers.

Is Mar'S Engineering Co INC insured?

Insurance filing details are not available in the current dataset. Verify directly with the carrier before tendering.

Has Mar'S Engineering Co INC had any risk indicators?

Mar'S Engineering Co INC has a risk score of 0/100 (Monitor) with 1 active risk signal. Review the risk section above and verify independently before tendering.

What is the DOT number for Mar'S Engineering Co INC?

Mar'S Engineering Co INC's DOT number is 3100424. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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Cite this page

For journalists and researchers

Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). Mar'S Engineering Co INC Safety Record, DOT 3100424. Retrieved from https://truckgraph.com/carriers/3100424
MLA
"Mar'S Engineering Co INC Safety Record, DOT 3100424." Truck Graph, Jun 3, 2026, https://truckgraph.com/carriers/3100424
Chicago
"Mar'S Engineering Co INC Safety Record, DOT 3100424." Truck Graph. Last modified June 3, 2026. https://truckgraph.com/carriers/3100424