DBA: Helitech
Slab Masters Inc is an active interstate carrier based in Caseyville, IL.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 68 | 0 | 0 |
| Trailers | 57 | 0 | 0 |
| Total Power Units | 68 | ||
Distinct vehicles · 24 mo
vs 68 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 70% | 89% | Around peer average |
| Driver Fitness | 98% | 97% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 97% | 94% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 5 | — | 6.67% |
| Vehicle | 0 | 20 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 40 | 13 | 17 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 24, 2026 | MO | STRAIGHT TRUCK | 0 | 0 |
| Dec 4, 2025 | IL | STRAIGHT TRUCK | 0 | 0 |
| Dec 2, 2025 | IL | STRAIGHT TRUCK | 0 | 0 |
| Nov 5, 2025 | MO | STRAIGHT TRUCK | 3 | 2 |
| Sep 19, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 1 | 0.36 | — |
| Vehicle Maintenance | 14 | 10.07 | — |
| Driver Fitness | 6 | 1.89 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state MO accounts for 48% of activity. Activity outside home state (IL): 65%.
| Driver Fitness | 6 | 4 | 4 |
| Hours-of-Service Compliance | 1 | 0 | 1 |
| MO |
| STRAIGHT TRUCK |
| 1 |
| 1 |
| Sep 2, 2025 | IL | STRAIGHT TRUCK | 1 | 1 |
| Jul 24, 2025 | MO | STRAIGHT TRUCK | 4 | 2 |
| Jun 18, 2025 | MO | STRAIGHT TRUCK | 4 | 2 |
| Apr 22, 2025 | IL | STRAIGHT TRUCK | 3 | 2 |
| Apr 14, 2025 | IL | STRAIGHT TRUCK | 1 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 5, 2025 | 393110CC | Cargo - Insufficient tiedowns (with headerboard/blocking). At least one tiedown for every 10 feet of article length or fraction thereof | Vehicle Maintenance | Yes |
| Nov 5, 2025 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Nov 5, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Sep 19, 2025 | 38323A2LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness | Yes |
| Sep 2, 2025 | 3939TS | Inoperative turn signal | Vehicle Maintenance | Yes |
| Jul 24, 2025 | 39348ABIHE | Hydraulic/Electric Brake - Inoperative other than a steering axle. | Vehicle Maintenance | — |
| Jul 24, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Jul 24, 2025 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Jul 24, 2025 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Jun 18, 2025 | 39343DB | Brake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly | Vehicle Maintenance | Yes |