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Truck Graph
20/100
⚠ Caution
Minor signals on record. Confirm authority and insurance before dispatch.
Nef Services INC
DOT 4199837 · MC MC1677296 · Fremont, CA
Report generated: June 8, 2026 at 6:32 AM
✓Authorized for hire?
✓Active insurance?
✓Safety record clean?
✗No fraud flags?
✓No prior revocations?
Carrier Summary

Nef Services INC (DOT 4199837, MC MC1677296) is a California-based interstate carrier headquartered in Fremont, CA. As of June 8, 2026 at 6:32 AM, operating authority is currently active. TruckGraph has detected 1 risk signal on this carrier, including: authority revoked within the last 3 years. TruckGraph rates this carrier "Caution" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 8, 2026 at 6:32 AM.

Common Authority
FMCSA Public Record
Nef Services INC
DOT Number4199837
MC NumberMC1677296
Street4941 KNOWLSON TERRACE
City / StateFremont, CA 94555
Phone5106744809
Operation typeInterstate
HazmatNot authorized
Authority age2 yr 3 mo
MCS-150 filed03/09/2026
Company officerFabian Alberto Melgarejo Serrano
Power units2
Total drivers2
Authority Status
Common (for-hire)✓ Active
Contract (for-hire)Not authorized
BrokerNot authorized
TruckGraph Intelligence
Risk Signals
●Authority revoked within the last 3 years
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
OOS rate 0.0% vs. national avg 22.26% — below average
Network Intelligence Map
Carriers sharing an officer, address, or phone with Nef Services INC
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Power Units
2
Fleet
Drivers
2
Total
Inspections
3
On record
Crashes
0
On record
OOS Rate
0.0%
↓ Avg 22.26%
Authority Age
2 yr 3 mo
Since 2024
Violation Categories — Last 24 Months
Hours of Service
3 insp (100%)
Unsafe Driving
3 insp (100%)
Driver Fitness
3 insp (100%)
Vehicle Maintenance
3 insp (100%)· 1 viol
Controlled Substances
3 insp (100%)
Inspection History
3 total · OOS rate 0.0%
DateStateLevelDriver OOSVehicle OOSResult
8/30/2025CAII00Pass
11/26/2025CAII00Pass
7/22/2025CAI00Pass
Crash History
0 total on record

No crash records on file.

Insurance Status
Status
✓ Active filing on record
Insurer
NATIONAL FIRE & MARINE INSURANCE CO.
Coverage type
91X
Coverage amount
$750,000
Effective
4/18/2026
Location
4941 KNOWLSON TERRACE, Fremont, CA, 94555 · Open in Maps →
4941 KNOWLSON TERRACE, FREMONT, CA, 94555Open in Maps →
Authority Timeline
Authority GrantedFeb 2024
FMCSA issued operating authority
ActiveCurrent
Authority currently active

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 Nef Services INC authorized to operate?

Yes. Nef Services INC holds Common operating authority and is currently active.

What is Nef Services INC's safety record?

Nef Services INC has 3 roadside inspections on record with an out-of-service rate of 0.0%. Crash history shows 0 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Nef Services INC operate?

Nef Services INC operates 2 power units with approximately 2 drivers.

Is Nef Services INC insured?

Nef Services INC has active insurance coverage on file. Coverage amount and carrier details are shown in the insurance section above.

Has Nef Services INC had any risk indicators?

Nef Services INC has a risk score of 20/100 (Caution) with 1 active risk signal. Review the risk section above and verify independently before tendering.

What is the DOT number for Nef Services INC?

Nef Services INC's DOT number is 4199837 and MC number is MC1677296. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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For journalists and researchers

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

APA
Truck Graph. (2026). Nef Services INC Safety Record, DOT 4199837. Retrieved from https://truckgraph.com/carriers/4199837
MLA
"Nef Services INC Safety Record, DOT 4199837." Truck Graph, Jun 8, 2026, https://truckgraph.com/carriers/4199837
Chicago
"Nef Services INC Safety Record, DOT 4199837." Truck Graph. Last modified June 8, 2026. https://truckgraph.com/carriers/4199837