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CALAMCO
Stockton, CA
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active & Authorized · DOT 921750 · MC 1393597
Satisfactory
Active 6 months · first granted 2022
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-1393597 · Common carrier
Insurance
On File
Admiral Insurance Company
Safety
Satisfactory
4.3% OOS · 74 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active 6 months since reinstatement on April 27, 2026; first granted April 4, 2022 (4 yrs, 7 mo ago)
- Insurance on file: $3,000,000
- FMCSA safety rating: Satisfactory
- Vehicle out-of-service rate 4.5% — below the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 74 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC1393597
Contract Carrier
Insurance on File
ADMIRAL INSURANCE COMPANY
BI&PD · $3,000,000 · Policy UX000001705-01
OLD REPUBLIC INSURANCE COMPANY
BI&PD · $2,000,000 · Policy MWTB 313179
Required Filings
Liability (BIPD)
$5,000,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
921750
MC Number
MC-1393597
Safety Rating
Satisfactory
Operation Classification
Authorized for hire, Private (property)
MCS-150 Filed
October 21, 2025
FMCSA Registration
December 13, 2000
Authority First Granted
April 4, 2022
Authority Reinstated
April 27, 2026
Annual Mileage
720,300 mi (2025)
Contact Information
Address
1776 W March Lane, Stockton, CA 95207
Phone
Email
Website
Owner / Officer
Dan Stone
Cargo Types
General FreightLiquids/GasesChemicals
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
74
Driver Inspections
50
Vehicle Inspections
73
Out-of-Service Violations
3
Violations by Category
Vehicle Maintenance10
Unsafe Driving0
Hours of Service2
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate4.5% · national avg 20.7%
✓ Below national average
4.3% of 23 inspections in the last 24 months put a driver or vehicle out of service —
12th percentile among carriers with 10–24 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
2 of 22 inspections
Unsafe Driving
0 of 23 inspections
Hours of Service
1 of 23 inspections
Driver Fitness
0 of 23 inspections
Controlled Substances
0 of 23 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
CA48
OR10
US4
NV1
Fleet & Equipment (34)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~15
of 17 reported to FMCSA
Trailers
~19
seen at inspection
Equipment types observed
Tank
19
Tractor
13
Not Applicable
2
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2025 Iowa Steel Fabricators, Llc | Tank · 46 ft | 1Z9FT4629S9593188 | 5 | — |
| 2015 Freightliner Cascadia | Tractor · Class 8 | 3AKGGEDV9FSGT1107 | 5 | — |
| 2020 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT4429L9593079 | 4 | — |
| 2022 Freightliner SD122 | Tractor · Class 8 | 3AKJGNDR7NDNJ8992 | 4 | 1 |
| 2021 Freightliner Cascadia | Tractor · Class 8 | 3AKJHLDV0MSMN3539 | 4 | — |
| 2022 Freightliner SD122 | Tractor · Class 8 | 3AKJGNDR0NDNJ8994 | 3 | 1 |
| 2024 Freightliner Cascadia | Tractor · Class 8 | 3AKJHLDR9RDVG7551 | 3 | — |
| 2020 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT4424L9593071 | 2 | — |
| 2020 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT4428L9593090 | 2 | 1 |
| 2024 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT4428R9593180 | 2 | — |
Show all 34 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2020 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT442XL9593088 | 2 | — |
| 2020 Iowa Steel Fabricators, Llc | Tank · 45 ft | 1Z9FT4523L9593044 | 2 | — |
| 2025 Iowa Steel Fabricators, Llc | Tank · 46 ft | 1Z9FT4627S9593187 | 2 | — |
| 2015 Freightliner Cascadia | Tractor · Class 8 | 3AKGGEDV0FSGT1108 | 2 | — |
| 2024 Freightliner Cascadia | Tractor · Class 8 | 3AKJHLDR4RSVE6814 | 2 | — |
| 2023 Freightliner Cascadia | Tractor · Class 8 | 3AKJHLDV8PSUJ6596 | 2 | — |
| 2017 Freightliner Cascadia | Tractor · Class 8 | 1FUGGEDV5HLJG4761 | 1 | — |
| 2026 Mississippi Tank Company | Tank | 1M9AT0E21TH355946 | 1 | — |
| 2026 Mississippi Tank Company | Tank | 1M9AT0E23TH355947 | 1 | — |
| 2020 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT4420L9593083 | 1 | — |
| 2022 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT4421N9593130 | 1 | — |
| 2020 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT4424L9593068 | 1 | — |
| 2022 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT4425N9593129 | 1 | — |
| 2020 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT4426L9593069 | 1 | — |
| 2020 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT4426L9593086 | 1 | — |
| 2020 Iowa Steel Fabricators, Llc | Tank · 44 ft | 1Z9FT442XL9593074 | 1 | — |
| 2024 Iowa Steel Fabricators, Llc | Tank · 45 ft | 1Z9FT4521R9593181 | 1 | — |
| 2015 Freightliner Cascadia | Tractor · Class 8 | 3AKGGEDV5FSGL3789 | 1 | — |
| 2023 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR4PSUE0955 | 1 | — |
| 2024 Freightliner Cascadia | Not Applicable · Class 8 | 3AKJHHDV0RSUY7307 | 1 | — |
| 2022 Freightliner Cascadia | Tractor · Class 8 | 3AKJHLDR9NSNG8866 | 1 | — |
| 2025 Freightliner Cascadia | Tractor · Class 8 | 3AKJHLDV3SSWC2798 | 1 | — |
| 2025 Freightliner Cascadia | Not Applicable · Class 8 | 3AKJHLDV5SSWC2799 | 1 | — |
| 2024 Wabash Tanks DOT/TC Specification | Tank | 3E1AAB238RS417251 | 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 (74)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| October 29, 2026 | NC20009584 | CA, CA | II | — | — | — | Truck Tractor Semi-trailer |
FREIGHTLINER IOWA STEEL FABRICATORS, LLC |
3AKJHLDV5SSWC2799 1Z9FT4429L9593079 |
CA ZP61806 CA 4TB8252 |
| October 21, 2026 | UCP8000778 | CA, CA | I | 1 | — | CALAMCO | Truck Tractor Semi-trailer |
FREIGHTLINER CTC |
3AKJGNDR0NDNJ8994 1Z9FT4427L9593078 |
CA ZP07692 CA 4TR3854 |
| 180.415-HMTMC | HM (Testing) - Failing to properly mark cargo tank test dates as required | Package Testing - HM | ||||||||
| October 12, 2026 | UDJB005388 | CA, CA | II | — | — | CALAMCO | Truck Tractor Semi-trailer |
FREIGHTLINER BULK |
3AKJHLDR4RSVE6814 3E1ABB239NS342633 |
CA ZP25211 CA 4UJ1225 |
| September 28, 2026 | NEKW005509 | CA, CA | II | — | — | AIRGAS | Truck Tractor Semi-trailer |
FREIGHTLINER IOWA STEEL FABRICATORS, LLC |
3AKJHLDV0MSMN3539 1Z9FT4629S9593188 |
CA ZP07700 CA 4VV8824 |
| September 22, 2026 | UCP8000773 | CA, CA | I | — | — | CALAMCO | Truck Tractor Semi-trailer |
FREIGHTLINER MISSISSIPPI TANK COMPANY |
3AKJHLDR4RSVE6814 1M9AT0E23TH355947 |
CA ZP25211 CA 4XD6210 |
| September 5, 2026 | UDQ3002734 | CA, CA | I | 2 | — | CALAMCO | Truck Tractor Semi-trailer |
FREIGHTLINER MISSISSIPPI TANK COMPANY |
3AKJHHDV0RSUY7307 1M9AT0E21TH355946 |
CA ZP07652 CA 4XD6211 |
| 395.22G-ELDMFV | HOS (ELD) - A portable ELD is not mounted in a fixed position and visible to the driver when seated in the normal driving position. | EOBR Related | ||||||||
| 395.30B2-ELDDFC24 | HOS (ELD) - Driver failing to certify the record immediately after the final required entry has been made or corrected for the 24 hour period. | Other Log/Form & Manner | ||||||||
| September 2, 2026 | UDJB005262 | CA, CA | II | — | — | CALAMCO | Truck Tractor Semi-trailer |
FREIGHTLINER IOWA STEEL FABRICATORS, LLC |
3AKJHLDV5SSWC2799 1Z9FT4429L9593079 |
CA ZP61806 CA 4TB8252 |
| July 8, 2026 | AP08191093 | WOODBURN OR | II | — | — | CALAMCO | Truck Tractor Semi-trailer |
FREIGHTLINER IOWA STEEL FABRICATORS, LLC |
3AKJHLDV0MSMN3539 1Z9FT4629S9593188 |
CA ZP07700 CA 4VV8824 |
| February 10, 2026 | AP43760791 | ASHLAND OR | II | — | — | CALAMCO | Truck Tractor Semi-trailer |
FREIGHTLINER IOWA STEEL FABRICATORS, LLC |
3AKJGNDR7NDNJ8992 1Z9FT4523L9593044 |
CA ZP07691 CA 4SV2634 |
| December 30, 2025 | UH33000102 | NB SANTA NELLA CVEF, CA | II | — | — | CALAMCO | Truck Tractor Semi-trailer |
FREIGHTLINER IOWA STEEL FABRICATORS, LLC |
3AKJGNDR7NDNJ8992 1Z9FT4425N9593129 |
CA ZP07691 CA 4UE2867 |
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 |
|---|---|---|
| CALAMCO PORT OF STOCKTON | 2 | March 21, 2025 |
| AIRGAS | 1 | September 28, 2026 |
| HAWES RANCH AND HOME | 1 | June 17, 2025 |
| CALMACO | 1 | February 10, 2024 |
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| April 27, 2026 | REINSTATED | Contract Carrier |
| April 6, 2026 | REVOKED | Contract Carrier |
| April 4, 2022 | GRANTED | Contract Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| May 1, 2021 | BI&PD Primary/Excess | On file |
| May 1, 2025 | BI&PD Primary/Excess | On file |
| March 4, 2026 | CONTRACT | On Record |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: November 1, 2026.
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