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SAMUEL J PIAZZA & SON INC
DBA: Piazza Trucking
South Gate, CA
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating and crash records checked
FMCSA status: Active & Authorized · DOT 391314 · MC 231685
Satisfactory
Active 28 yrs, 11 mo
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-231685 · Common carrier
Insurance
On File
Imperium Insurance Company
Safety
Satisfactory
11.1% OOS · 199 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active for 28 yrs, 11 mo
- Insurance on file: $1,000,000
- FMCSA safety rating: Satisfactory
- Vehicle out-of-service rate 9.5% — below the 20.7% national average
- 199 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC231685
Common Carrier, Contract Carrier
Insurance on File
IMPERIUM INSURANCE COMPANY
BI&PD · $1,000,000 · Policy ECAP6IICCA00037302
Required Filings
Liability (BIPD)
$1,000,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
391314
MC Number
MC-231685
Safety Rating
Satisfactory
Entity Type
Corporation
Operation Classification
Authorized for hire
MCS-150 Filed
June 5, 2025
FMCSA Registration
April 26, 1990
Authority Reinstated
October 2, 1997
Annual Mileage
3,014,584 mi (2025)
Contact Information
Address
9001 Rayo Ave, South Gate, CA 90280
Phone
Email
Owner / Officer
William Piazza
Officer 2
Michael Piazza
Cargo Types
General FreightMetal/Sheet SteelMotor VehiclesLogs/Poles/BeamsBuilding MaterialsMachinery/Large ObjectsLiquids/GasesIntermodalOilfield EquipmentRefrigerated FoodPaper ProductsConstruction MaterialsChemicalsMeatOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
199
Driver Inspections
96
Vehicle Inspections
125
Out-of-Service Violations
21
Violations by Category
Vehicle Maintenance51
Unsafe Driving10
Hours of Service23
OOS Rates vs. National Average
Driver OOS Rate6.9% · national avg 5.5%
⚠ Above national average (1.4pp higher)
Vehicle OOS Rate9.5% · national avg 20.7%
✓ Below national average
11.1% of 117 inspections in the last 24 months put a driver or vehicle out of service —
40th percentile among carriers with 100 or more inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
23 of 98 inspections
Unsafe Driving
4 of 99 inspections
Hours of Service
9 of 99 inspections
Driver Fitness
2 of 99 inspections
Controlled Substances
0 of 99 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
CA111
AZ20
NM9
TX6
NV2
KS1
Fleet & Equipment (100)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~45
of 38 reported to FMCSA
Trailers
~55
seen at inspection
Equipment types observed
Tractor
39
Semi-trailer
18
Trailer (type not listed)
11
Flatbed
8
Dry Van
7
Other Trailer
5
Truck
4
Full Trailer
2
Not Applicable
2
Specialty Trailer
2
Dolly Converter
1
Dump
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2025 Peterbilt 367 | Tractor · Class 8 | 1XPTP4TX6SD686077 | 16 | 1 |
| Kaes | Semi-trailer | WG0STZX28P0041952 | 12 | — |
| 2024 Peterbilt 367 | Tractor · Class 8 | 1XPTP4TX1RD686076 | 7 | — |
| 2023 Peterbilt 537 | Truck · Class 7 | 2NPMHJ7X0PM866385 | 7 | 2 |
| 2024 Peterbilt 567 | Tractor · Class 8 | 1XPCD40X3RD686075 | 6 | — |
| 2020 Western Star 4900 | Tractor · Class 8 | 5KJJALD15LPLX5855 | 6 | 1 |
| Coza | Semi-trailer | 1C9HJ2826A1772008 | 5 | — |
| 2023 Wabash Vans Dry Van Duraplate | Dry Van · 53 ft | 1JJV532D1PL380894 | 5 | — |
| 2023 Wabash Vans Dry Van Duraplate | Dry Van · 53 ft | 1JJV532D9PL380898 | 5 | — |
| 2023 Peterbilt 567 | Tractor · Class 8 | 1XPCD40X1PD819980 | 5 | — |
Show all 100 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2024 International MV607 | Truck · Class 7 | 3HAEUMMN0RL544985 | 5 | — |
| 2021 Western Star 4900 | Tractor · Class 8 | 5KJJALD18MPML1398 | 5 | — |
| Commercial | Dolly Converter | 1C9HJ282261772031 | 4 | — |
| Cozad Trai | Semi-trailer | 1C9RD294X61772032 | 4 | — |
| 2023 Wabash Vans Dry Van Duraplate | Dry Van · 53 ft | 1JJV532D8PL380892 | 4 | — |
| 2003 Transcraft | Flatbed · 48 ft | 1TTF4820X31070120 | 4 | 1 |
| 2016 Kenworth T8 Series | Tractor · Class 8 | 1XKDP4TX9GJ467102 | 4 | — |
| 2024 Peterbilt 548 | Truck · Class 8 | 2NP8LJ9X9RM669361 | 4 | 1 |
| 2025 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR8SSWB6933 | 4 | — |
| 2024 Freightliner Cascadia | Tractor · Class 8 | 3AKJHLDV2RDUN2145 | 4 | — |
| 2024 International MV607 | Truck · Class 6 | 3HAEUMML8RL544991 | 4 | 1 |
| Coza | Semi-trailer | 1C9H24205S1167009 | 3 | 1 |
| Trlk | Semi-trailer | 1TKB048211B036638 | 3 | 1 |
| 2028 Trail King Industries | Other Trailer · 48 ft | 1TKB04822WM011744 | 3 | — |
| Trlk | Semi-trailer | 1TKB04826YB099972 | 3 | — |
| 2007 Trail King Industries | Other Trailer · 53 ft | 1TKB053377M108803 | 3 | — |
| 2018 Trail King Industries | Specialty Trailer · 14 ft | 1TKH01431JM095572 | 3 | — |
| Trlk | Semi-trailer | 1TKJ04820YM121013 | 3 | — |
| 2023 Peterbilt 567 | Tractor · Class 8 | 1XPCD40X3PD819978 | 3 | — |
| 2023 Peterbilt 567 | Tractor · Class 8 | 1XPCD40X5PD819979 | 3 | 1 |
| 2027 Peterbilt 589 | Tractor · Class 8 | 1XPED40X1VD812873 | 3 | — |
| 2020 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR8LSMH3287 | 3 | — |
| 2022 Western Star 4900 | Tractor · Class 8 | 5KJNALD11NPMW9879 | 3 | — |
| 2022 Western Star 4900 | Tractor · Class 8 | 5KJNALD18NPMW9880 | 3 | — |
| Cozad Trai | Semi-trailer | 1C9H24205S1772009 | 2 | — |
| 2027 Trailmobile Trailmobile Trailer | Trailer (type not listed) | 1PTF71TH0V9000662 | 2 | 1 |
| 2027 Trailmobile Trailmobile Trailer | Trailer (type not listed) | 1PTF71TH9V9000661 | 2 | 1 |
| 2002 Trailmobile Trailmobile Trailer | Trailer (type not listed) | 1PTF7CTR229003336 | 2 | 1 |
| 2025 Trail King Industries | Other Trailer · 48 ft | 1TKB04820SM127423 | 2 | — |
| Trail King | Semi-trailer | 1TKB048212M108766 | 2 | — |
| 2025 Trail King Industries | Other Trailer · 48 ft | 1TKB04828SM127346 | 2 | 1 |
| 2009 Transcraft | Flatbed · 48 ft | 1TTE4830891087677 | 2 | — |
| 2006 Transcraft | Flatbed · 52 ft | 1TTE5220961078901 | 2 | — |
| 2023 Peterbilt 567 | Tractor · Class 8 | 1XPCD40X1PD819977 | 2 | — |
| 2023 Peterbilt 567 | Tractor · Class 8 | 1XPCD40X3PD819981 | 2 | — |
| 2024 Peterbilt 567 | Tractor · Class 8 | 1XPCD40XXRD655342 | 2 | 1 |
| 2025 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR4SSWB6931 | 2 | — |
| 2020 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR9LSMH3282 | 2 | — |
| 2020 Freightliner Cascadia | Tractor · Class 8 | 3AKJHLDR8LSMH3292 | 2 | 1 |
| 2022 Western Star 49X Chassis | Tractor · Class 8 | 5KJJBWD13NLNE0905 | 2 | — |
| Fona | Semi-trailer | 13N4482C7Y1589625 | 1 | — |
| 1999 Fontaine Trailer Co. | Flatbed · 48 ft | 13N548404X1584261 | 1 | — |
| Coza | Semi-trailer | 1C9HJ282861772129 | 1 | — |
| Coza | Full Trailer | 1C9LB132561772131 | 1 | — |
| Coza | Full Trailer | 1C9R32404P1476058 | 1 | — |
| 2023 Wabash Vans Dry Van Duraplate | Dry Van · 53 ft | 1JJV532D4PL380887 | 1 | — |
| 2023 Wabash Vans Dry Van Duraplate | Dry Van · 53 ft | 1JJV532D4PL380890 | 1 | — |
| 2023 Wabash Vans Dry Van Duraplate | Dry Van · 53 ft | 1JJV532D7PL380897 | 1 | — |
| 2023 Wabash Vans Dry Van Duraplate | Dry Van · 53 ft | 1JJV532DXPL380893 | 1 | — |
| Kaly | Semi-trailer | 1K9F48317T1005428 | 1 | — |
| Lufk | Semi-trailer | 1L01B4829V1121558 | 1 | — |
| Trim | Semi-trailer | 1PT01JAH329001410 | 1 | — |
| 2028 Trailmobile Trailmobile Trailer | Trailer (type not listed) | 1PTF71TH3W9004433 | 1 | — |
| 2000 Trailmobile Trailmobile Trailer | Trailer (type not listed) | 1PTF71TR0Y9003994 | 1 | — |
| Trim | Semi-trailer | 1PTF71TROY9003994 | 1 | — |
| 2000 Trailmobile Trailmobile Trailer | Trailer (type not listed) | 1PTF71TRXY9003999 | 1 | — |
| 2000 Trailmobile Trailmobile Trailer | Trailer (type not listed) | 1PTF7CTH4Y9015956 | 1 | — |
| 2024 Trailmobile Trailmobile Trailer | Trailer (type not listed) | 1PTF7CTR2R9010572 | 1 | — |
| 2024 Trailmobile Trailmobile Trailer | Trailer (type not listed) | 1PTF7CTR7R9008963 | 1 | 1 |
| 1999 Trailmobile Trailmobile Trailer | Trailer (type not listed) | 1PTF7CTR7X9013710 | 1 | — |
| 2023 Trail King Industries | Other Trailer · 48 ft | 1TKB04827PM122436 | 1 | — |
| Trlk | Semi-trailer | 1TKB04829XM037565 | 1 | — |
| Trlk | Semi-trailer | 1TKS00517SM127424 | 1 | — |
| 2005 Transcraft | Flatbed · 48 ft | 1TTE4820851077405 | 1 | — |
| 1992 Transcraft | Flatbed · 48 ft | 1TTF48203N1037060 | 1 | — |
| 2024 Peterbilt 579 | Tractor · Class 8 | 1XPBD49X6RD606380 | 1 | — |
| 2024 Peterbilt 567 | Tractor · Class 8 | 1XPCD40X1RD655343 | 1 | 1 |
| 2023 Peterbilt 567 | Tractor · Class 8 | 1XPCD40X5PD819982 | 1 | — |
| 2024 Peterbilt 567 | Tractor · Class 8 | 1XPCD40X9RD655347 | 1 | — |
| 2024 Peterbilt 567 | Tractor · Class 8 | 1XPCD49X3RD604638 | 1 | — |
| 2024 Peterbilt 567 | Tractor · Class 8 | 1XPCD49X3RD659736 | 1 | 1 |
| 2009 Manac Manac Trailer | Flatbed · 52 ft | 2M512161591119246 | 1 | — |
| 2020 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR2LSMH3284 | 1 | 1 |
| 2025 Freightliner Cascadia | Not Applicable · Class 8 | 3AKJHHDR2SSWB6930 | 1 | — |
| 2025 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR4SSWB6928 | 1 | — |
| 2025 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR6SSWB6929 | 1 | — |
| 2025 Freightliner Cascadia | Not Applicable · Class 8 | 3AKJHHDR6SSWB6932 | 1 | — |
| 2020 Freightliner Cascadia | Tractor · Class 8 | 3AKJHLDR1LSMH3294 | 1 | 1 |
| 2020 Freightliner Cascadia | Tractor · Class 8 | 3AKJHLDR3LSMH3295 | 1 | — |
| 2020 Freightliner Cascadia | Tractor · Class 8 | 3AKJHLDRXLSMH3293 | 1 | — |
| 2022 Freightliner Cascadia | Tractor · Class 8 | 3AKJHTDV3NSNL7114 | 1 | — |
| 2019 International RH613 | Tractor · Class 8 | 3HSDWTZR9KN217115 | 1 | — |
| Trlk | Semi-trailer | 3TKB04827TP079892 | 1 | — |
| 2025 Talbert | Trailer (type not listed) · 48 ft | 40FW04832S1011978 | 1 | — |
| 2007 Volvo Truck VNL | Tractor · Class 8 | 4V4NC9GH87N451109 | 1 | 1 |
| 2022 Clement Industries Clement | Dump · 32 ft | 5C2BR32B0NM012231 | 1 | — |
| 2000 Kalyn Siebert | Specialty Trailer · 53 ft | 5DDKF5345Y1000354 | 1 | — |
| 2021 Western Star 4900 | Tractor · Class 8 | 5KJJALD1XMPML1399 | 1 | 1 |
| 2022 Western Star 49X Chassis | Tractor · Class 8 | 5KJJBWD11NLNE0904 | 1 | — |
| 2023 Dorsey | Flatbed · 45 ft | 7KYFB452XPED34504 | 1 | 1 |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (199)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| September 14, 2026 | 4902001331 | HOLBROOK AZ | II | 2 | — | SOLAR TURBINES | Truck Tractor Semi-trailer |
FREIGHTLINER WABASH VANS |
3AKJHHDR2SSWB6930 1JJV532D8PL380892 |
IN 3757530 TX 205C078 |
| 392.2-SLLSWZ | State/Local Laws - Speeding work/construction zone | Speeding 4 | ||||||||
| 395.24 | HOS (ELD) - ELD Form and Manner | Other Log/Form & Manner | ||||||||
| September 9, 2026 | ND6D008507 | CA, CA | I | 1 | — | CERTEX COMPANY | Straight Truck |
PTRB |
1NPSLP9X5FD277147 |
CA 87248N1 |
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| September 8, 2026 | NC7C006207 | CA, CA | I | — | — | — | Straight Truck |
PETERBILT |
2NPMHJ7X0PM866385 |
CA 87933R3 |
| August 28, 2026 | N9V4001683 | CA, CA | V | — | — | — | Truck Tractor |
PETERBILT |
1XPCD40X1PD819977 |
CA YP56981 |
| August 28, 2026 | N9V4001684 | CA, CA | V | — | — | — | Truck Tractor |
KENWORTH |
1XKDP4TX9GJ467102 |
CA ZP47587 |
| August 28, 2026 | N9V4001685 | CA, CA | V | — | — | — | Truck Tractor |
FREIGHTLINER |
3AKJHLDR1LSMH3294 |
CA 9G20616 |
| August 27, 2026 | N9V4001679 | CA, CA | V | — | — | — | Truck Tractor |
FRHT |
3AKJHHDRXLSMH3288 |
CA ZP72107 |
| August 27, 2026 | N9V4001678 | CA, CA | V | — | — | — | Truck Tractor |
PETERBILT |
1XPCD40X5PD819982 |
CA YP56977 |
| August 27, 2026 | N9V4001676 | CA, CA | V | — | — | — | Truck Tractor |
PETERBILT |
1XPTP4TX6SD686077 |
TX R715716 |
| August 27, 2026 | N9V4001677 | CA, CA | V | — | — | — | Truck Tractor |
PETERBILT |
1XPTP4TX1RD686076 |
TX R715717 |
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| SOLAR TURBINES | 16 | September 14, 2026 |
| MYERS POWER PRODUCTS | 4 | July 27, 2026 |
| SOLAR | 4 | January 20, 2026 |
| KOBELCO COMPRESSORS | 4 | April 25, 2025 |
| TURBOTEC VIA UPS | 2 | August 11, 2026 |
| GULF FREIGHT MGMT | 2 | December 5, 2024 |
| SSA MARINE COOPER STEVEDORING | 2 | December 6, 2023 |
| KEOBELCO COMPRESSORS AMERICA | 2 | October 17, 2023 |
| TECH AMERICA | 2 | October 17, 2023 |
| CERTEX COMPANY | 1 | September 9, 2026 |
| JOHNSON CONTROL | 1 | July 31, 2026 |
| HOLT CAT | 1 | July 16, 2026 |
28 more shippers named at fewer inspections.
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| October 23, 2020 | INVOLUNTARY REVOCATION | Common |
| October 17, 2019 | INVOLUNTARY REVOCATION | Common |
| October 22, 2018 | INVOLUNTARY REVOCATION | Common |
| October 23, 2017 | INVOLUNTARY REVOCATION | Common |
| October 21, 2016 | INVOLUNTARY REVOCATION | Common |
| October 23, 2015 | INVOLUNTARY REVOCATION | Common |
| October 23, 2014 | INVOLUNTARY REVOCATION | Common |
| October 23, 2013 | INVOLUNTARY REVOCATION | Common |
| October 23, 2012 | INVOLUNTARY REVOCATION | Common |
| October 24, 2011 | INVOLUNTARY REVOCATION | Common |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| October 23, 2025 | BI&PD Primary/Excess | On file |
| December 23, 1996 | CONTRACT | On Record |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 21, 2026.
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