- No active BIPD/Primary insurance on file — uninsured for 585 days (since Dec 10, 2024). A carrier without active primary liability coverage cannot legally operate.
DIAMOND SIX S TRUCKING LLC
Do not book — hard regulatory blocker
One or more hard blockers are on file. Do not tender until the issue is cured and confirmed on FMCSA.
- No active BIPD/Primary insurance on file Uninsured 585 days (since Dec 10, 2024).
- Unsatisfactory safety rating FMCSA Unsatisfactory ratings typically prohibit interstate operation until upgraded.
- OOS rate worse than size peers Driver and/or vehicle out-of-service rate is above the peer median.
- BOC-3 process agent on file TRUCKER & BROKER SERVICES INC Details →
Plain-text risk summary (print / paste)
TruckCodex risk summary — DIAMOND SIX S TRUCKING LLC (USDOT 3961245) Verdict: DO NOT BOOK Do not book — hard regulatory blocker One or more hard blockers are on file. Do not tender until the issue is cured and confirmed on FMCSA. Authority / census status: Active Officer(s): FLOYD SORENSEN (Company officer) Blockers: • No active BIPD/Primary insurance on file — Uninsured 585 days (since Dec 10, 2024). • Unsatisfactory safety rating — FMCSA Unsatisfactory ratings typically prohibit interstate operation until upgraded. Cautions: • OOS rate worse than size peers — Driver and/or vehicle out-of-service rate is above the peer median. On file: • BOC-3 process agent on file — TRUCKER & BROKER SERVICES INC Source: https://truckcodex.com/usdot/3961245/ As of: Jul 18, 2026 Always confirm on FMCSA SAFER and L&I before tendering — TruckCodex mirrors public filings and can lag by up to a day.
TruckCodex · compliance grade
Compliance grade F
Hard regulatory signal on file (OOS / revoked / Not Authorized / uninsured / Unsatisfactory). Composite mean of 5/5 scored components is 43/100 — letter capped at F. Expand for per-signal evidence. Heuristic — not an FMCSA rating or legal advice.
F
confidence 100% · 5/5 signals
Compliance grade F
Hard regulatory signal on file (OOS / revoked / Not Authorized / uninsured / Unsatisfactory). Composite mean of 5/5 scored components is 43/100 — letter capped at F. Expand for per-signal evidence. Heuristic — not an FMCSA rating or legal advice.
Active census status with no OOS order or revoked authority on file.
No active BIPD/Primary on file since Dec 10, 2024.
Driver OOS 50% vs peer median 0% (worse). Vehicle OOS 50% vs peer median 0% (worse). n=281701 same-size ACTIVE peers.
Official FMCSA Unsatisfactory safety rating after a compliance review.
No BMC-91 insurance-lapse watch classification on file for this USDOT.
TruckCodex compliance grade from authority, BIPD, peer OOS, FMCSA safety rating, and insurance-watch signals. Not legal advice. See methodology. Booking triage on this page: Do not book.
Uninsured since Dec 10, 2024
Company profile
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Process AgentTRUCKER & BROKER SERVICES INCBOC-3 on file
Fleet details (MCS-150)
| Vehicle type | Owned | Term leased | Trip leased |
|---|---|---|---|
| Truck tractors | 2 | 0 | 0 |
| Trailers | 4 | 0 | 0 |
Self-reported on the carrier’s Form MCS-150 (FMCSA Company Census).
Inspections (24 months)
All 6 inspections →| Driver | Vehicle | Hazmat | |
|---|---|---|---|
| Inspections | 2 | 2 | 0 |
| OOS inspections | 1 | 1 | 0 |
| OOS percentage | 50% | 50% | — |
| National average | 6.67% | 22.26% | 4.44% |
Roadside inspections in the last 24 months. National averages are FMCSA MCSAP reference rates (driver ~6.7%, vehicle ~23.4%, hazmat ~4.4%).
Carrier analysis & narrative context SEO summary, status notes, AI overview, and safety profiles
DIAMOND SIX S TRUCKING LLC is a motor carrier based in CASPER, WY, registered with the FMCSA under USDOT 3961245. The carrier is currently active in FMCSA's records, with a safety rating of Unsatisfactory. MCS-150 self-reporting puts the fleet at 2 power units and 4 drivers, with 6 roadside inspections on file and a peak out-of-service rate of 50.0%. Use this page to verify the carrier's authority and insurance, review its inspection and crash history, and cross-reference live data on FMCSA SAFER before booking a load or onboarding a partner.
Unsatisfactory safety rating
FMCSA has assigned this carrier an Unsatisfactory safety rating after a compliance review.
DIAMOND SIX S TRUCKING LLC is a small fleet, operating 2 power units and 4 drivers, with 1 year on FMCSA's records, based in Casper, WY. Across 3 roadside inspections in the last 24 months, the fleet recorded a 100.0% out-of-service rate, with no reportable crashes on file. The carrier currently has no active BIPD/Primary coverage on file, and all filed authority types (common) are currently revoked.
3 roadside inspections over the last 24 months, roughly flat versus the prior 24 months, concentrated in WY (2) and SD (1), with Level 2 inspections the most common.
100.0% out-of-service rate; led by Vehicle Maintenance (47.4% of violations); top code 392.2 (Operating a CMV while ill or fatigued) cited 7 times.
The fleet comprises 2 power units (small fleet) and 4 drivers; Peterbilt, Unknown, and Ford are the most-inspected makes.
Risk Signals
Out-of-Service rate vs same-size peers FMCSA roadside inspections, % placed out-of-service
Compared against 281,701 ACTIVE carriers operating 1–3 power units (±50% of this carrier's 2 unit fleet).
Inspection Analytics Monthly activity · BASIC mix · state map
Monthly Inspection Activity (24 months)
Violations by BASIC Category
Activity by State
| State | Inspections | OOS | OOS % | Last Inspection |
|---|---|---|---|---|
| South Dakota (SD) | 1 | 1 | 100.0% | Aug 1, 2024 |
| Wyoming (WY) | 1 | 1 | 100.0% | Sep 23, 2024 |
Vehicle Fleet Top makes and models observed in roadside inspections
SMS BASIC Scores FMCSA Safety Measurement System per-BASIC scores
| BASIC | Inspections | Serious | Measure | Percentile | Alert | As Of |
|---|---|---|---|---|---|---|
| Driver Fitness | 1 | — | 5.00 | 5 | — | Jul 13, 2026 |
| Controlled Substances / Alcohol | 0 | — | 0.00 | 0 | — | Jul 13, 2026 |
| Hours of Service | 1 | — | 3.50 | 4 | — | Jul 13, 2026 |
| Unsafe Driving | 1 | — | 3.50 | 4 | — | Jul 13, 2026 |
| Vehicle Maintenance | 2 | — | 8.00 | 8 | — | Jul 13, 2026 |
Higher percentiles indicate worse performance relative to peer carriers. Carriers at or above the FMCSA intervention threshold are marked ALERT.
Recent Inspections (6 rows) View all 6 →
| Inspection # | Date ▼ | State | Level | Station | Vehicle | Violations | Top Codes | OOS |
|---|---|---|---|---|---|---|---|---|
| 82748606 | Sep 23, 2024 | WY | 2 | CHEYENNE I-25 POE |
PETERBILT TRUCK TRACTOR
|
5 | 383.23A2, 395.8K2, 392.2 | Yes |
| 82284711 | Aug 1, 2024 | SD | 2 | BELLE FOURCHE SD |
PETERBILT TRUCK TRACTOR
|
4 | 393.100(b), 392.2, 393.9(a) | Yes |
| 81591263 | May 10, 2024 | WY | 1 | — |
FORD STRAIGHT TRUCK
|
10 | 393.130(c), 393.43, 392.2 | Yes |
| 81344134 | Apr 8, 2024 | ND | 2 | BOWMAN ND |
PETERBILT TRUCK TRACTOR
|
3 | 395.8(a)(1), 393.60(c), 393.78(a) | Yes |
| 79785732 | Sep 26, 2023 | ND | 3 | — |
PETERBILT TRUCK TRACTOR
|
1 | 392.2 | No |
| 78393660 | Apr 18, 2023 | WY | 2 | GILLETTE PORT OF ENTRY |
PETERBILT TRUCK TRACTOR
|
6 | 393.75(a), 393.45(a), 392.9(a) | Yes |
Authority Records (1 docket)
Revocations & Inactive Status
Authority actions other than active status — revocations, voluntary surrenders, and dormant dockets.
| Date | Docket | Authority | Status | Applied |
|---|---|---|---|---|
| Unknown | MC1480790 | common | INACTIVE | — |
MC Certificate Documents (1 PDF)
Authority Records (above) are FMCSA docket status and lifecycle events. MC Certificate Documents here are the archived PDF letters for each action — grants, reinstatements, revocations, name changes, and transfers. They are related but not the same dataset: one row per PDF letter, not one file per docket.
Click a row to open that specific letter. Multiple letters per docket are listed separately by action type and date.
| Date | Docket | Action | Authority | |
|---|---|---|---|---|
| Nov 4, 2022 | MC1480790-C | CPL | REVOCATION | CPL → |
Insurance Coverage Timeline (1 row)
Every insurance policy on file, newest effective date first. Amber rows mark BIPD/Primary coverage gaps.
| Insurer | Policy # | Type | Limit | Effective | Cancel | Status |
|---|---|---|---|---|---|---|
| ARTISAN & TRUCKERS CASUALTY COMPANY | CA00906633 | BIPD/Primary | — | Oct 27, 2022 | Dec 10, 2024 | CANCELLED |
Compliance Timeline Merged authority / insurance / enforcement events
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Feb 17, 2025oosOut-of-service order — Unsatisfactory = Unfit
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Dec 16, 2024
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Dec 16, 2024authorityAuthority revoked — INVOLUNTARY REVOCATION
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Dec 10, 2024insuranceCANCEL — ARTISAN & TRUCKERS CASUALTY COMPANY
Top Stations & Violation Codes Where this carrier gets inspected and what they get cited for
Most-Inspected Stations
| Station | State | Inspections | OOS |
|---|---|---|---|
| BOWMAN ND | ND | 1 | 1 |
| BELLE FOURCHE SD | SD | 1 | 1 |
| CHEYENNE I-25 POE | WY | 1 | 1 |
| GILLETTE PORT OF ENTRY | WY | 1 | 1 |
Top Violation Codes Cited
| Code | Description | Category | Cited | OOS |
|---|---|---|---|---|
| 392.2 | Violation of Local Laws - Explain: | Unsafe Driving | 10 | 0 |
| 396.17(c) | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | 2 | 0 |
| 392.9(a) | Failing to secure load | Vehicle Maintenance | 1 | 1 |
| 393.100(b) | Leaking/spilling/blowing/falling cargo | Vehicle Maintenance | 1 | 1 |
| 393.130(c) | Improper restraint/securement of item | Vehicle Maintenance | 1 | 1 |
| 393.43 | No/improper breakaway or emergency braking | Vehicle Maintenance | 1 | 1 |
| 393.45(a) | Brake tubing/hoses inadequate | Vehicle Maintenance | 1 | 1 |
| 393.60(c) | Windshield - Damaged or Discolored | Vehicle Maintenance | 1 | 0 |
| 393.75(a) | Flat tire or fabric exposed | Vehicle Maintenance | 1 | 1 |
| 393.78(a) | Windshield condition defective | Vehicle Maintenance | 1 | 0 |
Related Records Cross-references to every adjacent page
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Wyoming carriers
All carriers based in Wyoming
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Casper carriers
Carriers based in Casper, WY
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Stations in Wyoming
Where this carrier might be inspected
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Docket MC1480790
common · INACTIVE · MC
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ARTISAN & TRUCKERS CASUALTY COMPANY
BIPD/Primary policy on file
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TRUCKER & BROKER SERVICES INC
BOC-3 process agent · 55,281 carriers served
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6 inspections
Full roadside inspection history
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Fleet recall search
NHTSA recalls covering this fleet's vehicle years/makes
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File a complaint
Open the FMCSA National Consumer Complaint form for this carrier
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Carrier comparison tool
Side-by-side vs. other carriers
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Certificate lookup
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All state carrier directories
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Insurance-lapse watch
Carriers with recent BMC-91 cancellation or reinstatement churn
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How FMCSA safety ratings work
BASIC percentiles and compliance review context
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BOC-3 process agents explained
Why every interstate carrier must file a process agent
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FMCSA compliance filings guide
MCS-150, insurance, and authority filing requirements
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Roadside inspection rights
What drivers and carriers can expect during a stop
How to verify DIAMOND SIX S TRUCKING LLC
- Verify USDOT and MC numbers match the carrier's documents. Compare the USDOT number and MC docket on this page to the numbers on the carrier's invoice, rate confirmation, or load-board listing. A mismatch between the carrier's claimed numbers and the registered legal name is the single most common red flag.
- Check active operating authority and insurance status. Confirm the Authority Records show at least one ACTIVE docket for the type of operation you're booking, and that the Active Insurance card lists a current BIPD/Primary policy. A revoked authority or uninsured carrier cannot legally operate.
- Review safety rating and SMS BASIC scores. Check the carrier's FMCSA safety rating (if any) and the SMS BASIC table. A high percentile in any BASIC category — especially Unsafe Driving, HOS, or Vehicle Maintenance — is worth investigating before tendering a load.
- Examine inspection and crash history. Open the Inspection History and Crash History subpages for the full record. Look for patterns: repeat OOS findings on the same unit, multiple crashes in a short window, or violations clustered in one BASIC category.
- Cross-reference real-time data with FMCSA SAFER. For the most current snapshot — within 24 hours of any insurer filing or authority change — click through to the FMCSA SAFER lookup. TruckCodex mirrors SAFER and L&I daily; SAFER itself reflects filings within 24 hours.
Frequently asked questions about DIAMOND SIX S TRUCKING LLC
Is DIAMOND SIX S TRUCKING LLC an active motor carrier? ▾
What is DIAMOND SIX S TRUCKING LLC's safety rating? ▾
How many inspections has DIAMOND SIX S TRUCKING LLC had? ▾
What is DIAMOND SIX S TRUCKING LLC's out-of-service rate? ▾
Where is DIAMOND SIX S TRUCKING LLC based? ▾
Does DIAMOND SIX S TRUCKING LLC have valid operating authority? ▾
How many trucks and drivers does DIAMOND SIX S TRUCKING LLC operate? ▾
Has DIAMOND SIX S TRUCKING LLC had any crashes? ▾
About FMCSA carrier records
Every commercial motor carrier operating in the United States is required to register with the Federal Motor Carrier Safety Administration (FMCSA) and obtain a USDOT number. The USDOT number is a permanent, unique identifier — once assigned, it stays with the carrier for life and is never reissued to another company. Carriers must update their registration every two years on Form MCS-150 to keep their address, fleet size, and operating data current.
Carrier safety data lives in FMCSA's Motor Carrier Management Information System (MCMIS): roadside inspections, crashes, out-of-service findings, and the seven Behavior Analysis and Safety Improvement Categories (BASICs) that make up the SMS scoring methodology. For-hire carriers must also hold operating authority — an MC, FF, or MX docket number — which is separate from the USDOT number and requires continuous insurance and BOC-3 process-agent filings to remain active.
TruckCodex mirrors FMCSA's public SAFER and L&I systems on a daily refresh cycle. Every record on this page reflects what FMCSA has on file. We do not edit or modify carrier data — for real-time confirmation immediately before a transaction, click through to the FMCSA SAFER lookup linked in the related records section above. Safety ratings, when present, come from formal compliance reviews; most active carriers have not been reviewed and are correctly listed as unrated.
Data sources & freshness
TruckCodex aggregates official public-sector datasets. See the Source registry for dataset-level coverage and the Freshness log for last-import timestamps.
Census, SAFER, SMS, Licensing & Insurance (L&I), roadside inspections, crashes, and authority history.
Vehicle recall campaigns, defect investigations, and consumer safety complaints (SCRS).
Cross-border carrier registry and Canadian recall campaigns where applicable.
TruckCodex is an independent aggregator; it is not affiliated with FMCSA, NHTSA, EIA, or Transport Canada. Always verify compliance-critical information directly with the originating agency.