Diamond B Operating LLC
USDOT 2120653 · MC-739224, MC-1707203 · Lubbock, Texas · Interstate for-hire carrier · 100–249 power units
Diamond B Operating LLC (dba Diamond B Energy Services) is a company based in Lubbock, Texas, registered with the FMCSA as an interstate carrier (authorized for hire). It reports 129 power units and 128 drivers, which ranks it #295 by fleet size among 910 active for-hire carriers with 50+ power units headquartered in Texas. In the 24 months to Sep 24, 2026 its trucks were inspected 168 times – about 1.3 inspections per power unit. 27.6% of vehicle inspections and 3.0% of driver inspections ended with an out-of-service order, against 18.8% and 2.6% for carriers of the same size nationally. FMCSA records 8 reportable crashes in the last 24 months (5 injuries, 0 fatalities, 7 tow-away), or 6.2 per 100 power units versus 4.5 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are liquids / gases.
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Registration and contact
| Legal name | Diamond B Operating LLC |
|---|---|
| DBA name | Diamond B Energy Services |
| USDOT number | 2120653 |
| Operating authority (docket) | MC-739224, MC-1707203 |
| Entity type | Authorized for Hire |
| Operation | Interstate |
| Business type | — |
| Physical address | 6607 Toledo Ave, Lubbock, TX 79414 |
| Phone | (806) 785-1300 |
| First registered | Feb 16, 2011 |
| Last MCS-150 update | Jun 12, 2025 |
| Hazmat carrier | Yes |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 2120653.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 0 | 0 | 0 |
| Truck tractors | 25 | 104 | 0 |
| Trailers | 23 | 0 | 0 |
- 0.99 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 0.2 trailers per tractor.
- 16,820,000 miles reported for 2024 – about 130,388 miles per power unit vs a 41,613 median for 100–249-unit fleets.
- 32% of listed equipment is owned rather than leased.
- 128 CDL drivers; 5 drivers operate interstate beyond 100 miles, 0 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 100–249-unit for-hire carriers nationally (2,611) and Texas carriers with 50+ units (910).
| Measure | Diamond B Operating LLC | Same size, US | TX average | |
|---|---|---|---|---|
| Vehicle out-of-service rate | 27.6% | 18.8% | 18.6% | 46% higher than average |
| Driver out-of-service rate | 3.0% | 2.6% | 3.5% | 14% higher than average |
| Crashes per 100 power units | 6.2 | 4.5 | 3.9 | 38% higher than average |
| Inspections | 168 | 168 with a driver check, 156 with a vehicle check, 281 BASIC violations recorded, 139 hazmat-related | ||
| FMCSA safety rating | Not rated – most carriers have never had a compliance review; this is not a negative finding. | |||
Cargo carried
Similar carriers in Texas
Closest fleet size and cargo mix among Texas carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| H2o Transports Inc USDOT 2287818 | Monahans | 112 | 115 | 102 | 40.2% | 4 |
| Enderby Gas Inc USDOT 117128 | Gainesville | 157 | 55 | 56 | 17.9% | 3 |
| Asphalt Transport Inc USDOT 728166 | Houston | 159 | 159 | 180 | 12.6% | 15 |
| Gigo Transport Inc USDOT 2570145 | El Paso | 86 | 26 | 209 | 3.8% | 0 |
| Flying Star Transport LLC USDOT 807097 | Amarillo | 84 | 30 | 88 | 14.3% | 1 |
| Spur Vacuum Trucks LLC USDOT 2273729 | Midland | 76 | 34 | 70 | 61.4% | 2 |
Other carriers near Lubbock
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Pate Trucking Company LLC USDOT 283481 | Lubbock | 212 | 214 | 147 | 30.8% | 4 |
| White Transportation Services Inc USDOT 347495 | Lubbock | 160 | 160 | 390 | 13.2% | 24 |
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FAQ
What is the USDOT number of Diamond B Operating LLC?
Diamond B Operating LLC is registered with USDOT number 2120653 and operating authority MC-739224, MC-1707203.
How many trucks does Diamond B Operating LLC have?
It reports 129 power units (129 tractors, 0 straight trucks) and 23 trailers, with 128 drivers, on its last MCS-150 update (Jun 12, 2025).
Where is Diamond B Operating LLC located?
Its registered physical address is in Lubbock, Texas 79414.
What is the out-of-service rate of Diamond B Operating LLC?
Over 24 months, 27.6% of vehicle inspections and 3.0% of driver inspections resulted in an out-of-service order (same-size national average: 18.8% vehicle, 2.6% driver).
Source: FMCSA Company Census File, SMS inspection file and Crash File (data.transportation.gov), refreshed 2026-11-04. Figures are as reported to FMCSA and may lag. How we calculate these numbers. Spotted an error? Carriers update their record with FMCSA via the MCS-150 form; see corrections.