CarrierIntel Score: 74/100. 28 inspection violations in the past 12 months. Updated Oct 2026.
DOT 1031974MC 866852ActiveMotor CarrierIntrastate Non-HazmatWILLIAMSBURG NATIONAL INS CO. · $750,000 · 1 policyCHINO, CA
COMPANY
Authority since
2020-06-02
MCS-150
2025-04-11 · 167,012 mi (2024)
Fleet
6 units · 4 trailers · 6 drivers
Annual mileage (VMT)
167,012 mi (2024)
ADDRESS
Physical
13011 SCARBOROUGH CT CHINO, CA 91710
Mailing
Same as physical
CONTACT
Phone
3235956865
Email
l.diaz@nanostrucking.com
OFFICERS
Primary Officer
LETICA DIAZ
Title
CEO
OPERATION & CARGO
Operation classification
Authorized For Hire
Specialty
Refrigerated / Produce
Cargo types
8
General FreightBuilding MaterialsFresh ProduceGrain, Feed, HayMeatCommodities Dry BulkRefrigerated FoodConstruction
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
149 mo
Active authority
INSURANCE
1 active
WILLIAMSBURG NATIONAL INS CO.
RISK GRADE
Moderate Risk
2 risk factors · 2 strengths
OOS RATE
20.0%
4 / 20 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
74
out of 100
Good
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections