DBA: Diamond Event & Tent
Diamond Event Inc is an active interstate carrier based in Salt Lake City, UT.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 20 | 18 | 0 |
| Tractors | 0 | 2 | 0 |
| Trailers | 5 | 0 | 0 |
| Total Power Units | 20 | ||
Distinct vehicles · 24 mo
vs 20 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 75% | 93% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 65% | 88% | Around peer average |
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 | 0 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 12 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 4, 2025 | UT | STRAIGHT TRUCK | 2 | 1 |
| Aug 15, 2025 | UT | STRAIGHT TRUCK | 1 | 0 |
| Jul 22, 2025 | ID | STRAIGHT TRUCK | 1 | 0 |
| Jul 20, 2025 | MO | STRAIGHT TRUCK | 0 | 0 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 5
Diamond Rental Llc
Slc, UT
Mark Clawson
California Steel Industries Inc
Fontana, CA
Steve Schaefer · also at 4 others
Diamond Rental Llc
Slc, UT
Steve Schaefer · also at 4 others
Pure Water Pump Service Llc
Menomonie, WI
Steve Schaefer · also at 4 others
Steve Schaefer
Maple Park, IL
Steve Schaefer · also at 4 others
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.50 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 5 | 7.45 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 5 states. Top state MT accounts for 33% of activity. Activity outside home state (UT): 67%.
| 2 |
| Unsafe Driving | 1 | 0 | 0 |
| Jul 15, 2025 |
| MT |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Jul 15, 2025 | MT | STRAIGHT TRUCK | 3 | 1 |
| Jul 15, 2025 | MT | TRUCK TRACTOR | 5 | 0 |
| Aug 21, 2024 | UT | STRAIGHT TRUCK | 1 | 0 |
| May 13, 2024 | US | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 4, 2025 | 39343DB | Brake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly | Vehicle Maintenance | Yes |
| Sep 4, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Aug 15, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Jul 22, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Jul 15, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Jul 15, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Jul 15, 2025 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Jul 15, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Jul 15, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Jul 15, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |