CORNERSTONE SYNERGY LLC

Doing business as CORNERSTONE ENERGY SERVICE LLC

Panhandle, TX · Intrastate (Non-Hazmat) · 22 power units · Not rated

Call (806) 279-0999
High-risk signals foundHow this works

Facts from the FMCSA record that call for a closer look. They are not a finding of wrongdoing. Authority and insurance are last known from May 14, 2026.

  • Operating authority is not authorized (last known)Without active authority the company may not haul or broker interstate freight for hire.
  • Vehicle out-of-service rate well above the state average60.0% vs Texas average 25.1%.
Operating authority
Last known: Not authorized
MC1616339: no authority granted
Last known · FMCSA snapshot May 14, 2026
Liability insurance (BI&PD)
None on file
No active BI&PD filing found
No cargo cover filed with FMCSA
Vehicle out-of-service rate
60.0%
3 of 5 vehicle inspections · Texas avg 25.1%
FMCSA inspections · Oct 18, 2024 – Oct 18, 2026
FMCSA registration age
9 years
USDOT added Sep 25, 2017. Not a founding date.
FMCSA census · Oct 18, 2026

Green means the FMCSA record shows it. It does not confirm who you are talking to, or that a policy covers your specific load.

Not a live check. FMCSA has not published a Motus record for this carrier, so authority and insurance show the last known status from May 14, 2026. Confirm on Motus ↗ before booking.

Operating authority

MC1616339 Last known · FMCSA snapshot May 14, 2026

Operating authorityNot authorized
FMCSA has not granted common, contract, broker or forwarder authority on this docket.

Last known status. This authority record comes from the FMCSA snapshot of May 14, 2026, the last one published before FMCSA moved registration to Motus. It may have changed since. Confirm current authority: Motus record for USDOT 3051782 ↗

Insurance on file

No insurance filings were found in the public FMCSA data for this carrier.

Check: Motus record for USDOT 3051782 ↗

Roadside inspections Oct 18, 2024 – Oct 18, 2026

5inspections
60.0%vehicle out-of-service
3 of 5 · Texas avg 25.1%
0.0%driver out-of-service
0 of 5 · Texas avg 7.7%
19violations written on inspection reports
5 most recent inspections
DateStateLevelViolationsOut of service
Oct 10, 2026TX27Yes
May 28, 2026TX18Yes
Jul 31, 2025TX23Yes
Jul 11, 2025TX20No
Nov 27, 2024TX21No
How these rates are calculated

Period: Oct 18, 2024 – Oct 18, 2026. Vehicle rate = vehicle inspections with a vehicle out-of-service order ÷ vehicle inspections (levels 1, 2, 5 and 6). Driver rate uses levels 1, 2, 3 and 6. The Texas average covers 347,521 vehicle and 460,200 driver inspections of all Texas-based carriers in this period. It mixes every type of operation, so compare with care; rates based on a handful of inspections say little. FMCSA's own SMS measures are weighted differently: SMS profile ↗ · SAFER snapshot ↗

Violations in FMCSA's SMS last 24 months

10 violations counted in FMCSA's Safety Measurement System (SMS), 2 of them serious enough to put the driver or vehicle out of service.

Why is this different from the 19 violations above?

The inspections section's number counts every violation written on the inspection reports in our Oct 18, 2024 – Oct 18, 2026 window. The SMS count comes from FMCSA's own monthly SMS snapshot, which uses its own 24-month window and only the violations it scores. Both are FMCSA figures; they measure different things.

Category (FMCSA BASIC)ViolationsOut of serviceShareTexas share
Vehicle Maintenance102100.0%78.8%
10 most frequent violations
ViolationTimesOut of service
BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination
Brake Out Of Service · Vehicle Maintenance · code 3963A1BOS
11
Inoperative turn signal
Lighting · Vehicle Maintenance · code 3939TS
11
Brake Connections with Leaks - Connection to Power Unit
Brakes All Others · Vehicle Maintenance · code 39345DLPC
10
Inoperative/defective brakes
Brakes All Others · Vehicle Maintenance · code 39348A
10
CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear
Brakes All Others · Vehicle Maintenance · code 39353B
10
Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt
Brakes Out of Adjustment · Vehicle Maintenance · code 39347E
10
Inoperable Required Lamp
Clearance Identification Lamps/Other · Vehicle Maintenance · code 3939
10
Operating a CMV without proof of a periodic inspection
Inspection Reports · Vehicle Maintenance · code 39617C
10
Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997
Reflective Sheeting · Vehicle Maintenance · code 39311TL
10
Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997
Reflective Sheeting · Vehicle Maintenance · code 39311TU
10

Source: FMCSA SMS violation file, inspections in the last 24 months, published Oct 18, 2026. "Share" is this company's mix of violations; the Texas column is the mix across all Texas-based carriers, so you can see which kinds of problems stand out. A high count partly reflects fleet size and how often trucks are inspected.

Crashes Oct 18, 2024 – Oct 18, 2026

No reportable crashes in this period.

Company details FMCSA census · Oct 18, 2026

USDOT number3051782
MC / docketMC1616339
Legal nameCORNERSTONE SYNERGY LLC
DBA nameCORNERSTONE ENERGY SERVICE LLC
OperationIntrastate (Non-Hazmat)
Business type—
Power units22
Drivers9
Annual mileage57,896 (2024)
HazmatNo
Safety ratingNot rated (no compliance review on record)
USDOT number addedSep 25, 2017 · 9 years ago
Last MCS-150 updateMar 12, 2025

Cargo carried

General FreightMotor VehiclesBuilding MaterialsMachinery, Large ObjectsOilfield EquipmentConstruction

Questions about CORNERSTONE SYNERGY LLC

What does CORNERSTONE SYNERGY LLC's operating authority allow?

FMCSA records show no active operating authority for CORNERSTONE SYNERGY LLC (MC1616339), so it may not haul regulated interstate freight for hire or broker loads under these dockets.

Which information about CORNERSTONE SYNERGY LLC is old or missing?

Operating authority is the last known status from the FMCSA snapshot of May 14, 2026, not a current check. No insurance filings were found in the public data. FMCSA has not issued a safety rating, which means no compliance review is on record, not that the carrier is unsafe.

What should I verify before booking CORNERSTONE SYNERGY LLC?

Confirm the authority and insurance on the Motus record for USDOT 3051782. Call the company back on the phone number on file, (806) 279-0999, not a number from an email or load board message. Check that the MC number the dispatcher gave you matches MC1616339, and ask the insurer for a certificate of insurance naming you as certificate holder.

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Company details from the FMCSA Company Census File (Oct 18, 2026). Inspections and crashes from FMCSA MCMIS files. About our data · Report an error.