Quantum-Mechanical Contractors LLC
Edinburg, TX
Profile data updated Jul 26, 2026 from official FMCSA records
Trust Score
Mixed
FMCSA data ↓
3
Power Units
4
Drivers
FMCSA since 2025 (1 yr)
Authority Age
Not Rated
Safety Rating
Company Overview
QUANTUM-MECHANICAL CONTRACTORS LLC is an active carrier & broker registered with the FMCSA since January 2025. Based in Edinburg, TX, they operate a fleet of 3 power units with 3 CDL drivers. They are classified as Both Interstate & Intrastate and operate intrastate (beyond 100 miles) and intrastate (within 100 miles). Their inferred equipment specializations include Dump Truck, Power Only and Dry Van.
Equipment Analysis
Based on FMCSA cargo authorization flags and roadside-inspection vehicle records, Quantum-Mechanical Contractors LLC operates the following equipment types:
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Fleet Breakdown
| Equipment | Owned | Term Leased | Trip Leased | Total |
|---|---|---|---|---|
| Tractors | 3 | 0 | 0 | 3 |
Authorized Cargo Types
Quantum-Mechanical Contractors LLC is authorized to transport the following 2 cargo types:
Operations Scope
CDL Drivers: 3
Driver Information
4
Total Drivers
3
CDL Drivers
4
Intrastate Drivers
Vehicles Operated by QUANTUM-MECHANICAL CONTRACTORS LLC
6 trucks and 6 trailers identified from FMCSA inspection records. Last update: May 15, 2026.
What this fleet looks like
Top makes on record: Kenworth, Mack, Cps Trailer Company. Equipment breakdown: 6 SEMI-TRAILER, 6 TRUCK TRACTOR. Fleet data is from FMCSA roadside inspection records (24-month rolling). Trucks that haven't been inspected recently may not appear.
Equipment mix (2 vehicle types)
| Vehicle type | Count | Share |
|---|---|---|
| SEMI-TRAILER | 6 | 50% |
| TRUCK TRACTOR | 6 | 50% |
Trailers (6 on record)
Trailers recorded pulling under this carrier's DOT number in FMCSA roadside inspections. Individual trailer plates and VINs are listed in the plate and vehicle sections above.
| Semi-trailer | 6 |
| CPS | 3 |
| Load | 1 |
| Ranc | 1 |
| Fruehauf | 1 |
| Grain, Chip, or Gravel Trailer | 3 |
| 2 axles | 3 |
Vehicle makes (9 brands on record)
| Make | Vehicles | Share |
|---|---|---|
| Kenworth | 2 | 17% |
| Mack | 2 | 17% |
| Cps Trailer Company | 2 | 17% |
| Manac Trailers Usa | 1 | 8% |
| Peterbilt | 1 | 8% |
| Fruehauf | 1 | 8% |
| Freightliner | 1 | 8% |
| Dodge | 1 | 8% |
| Ranc | 1 | 8% |
Spec sheets, common recalls & complaints for the truck models this carrier operates.
License plates on file (12 shown)
| Plate | State | Vehicle | Inspections | Last seen |
|---|---|---|---|---|
| 1P02269 | TX | Kenworth TRUCK TRACTOR | 1 | May 2026 |
| 099C549 | TX | CPS SEMI-TRAILER | 1 | May 2026 |
| 1N87762 | TX | Mack TRUCK TRACTOR | 1 | Jan 2026 |
| 180C190 | TX | CPS SEMI-TRAILER | 1 | Jan 2026 |
| 1P02263 | TX | Peterbilt TRUCK TRACTOR | 1 | Jan 2026 |
| 265C618 | TX | Fruehauf SEMI-TRAILER | 1 | Jan 2026 |
| 1N72270 | TX | Freightliner TRUCK TRACTOR | 1 | Oct 2025 |
| 113B145 | TX | CPS SEMI-TRAILER | 1 | Oct 2025 |
| 1N27045 | TX | Kenworth TRUCK TRACTOR | 1 | Sep 2025 |
| 209C856 | TX | Load SEMI-TRAILER | 1 | Sep 2025 |
| 1N82133 | TX | Mack TRUCK TRACTOR | 1 | Apr 2025 |
| 181B354 | TX | Ranc SEMI-TRAILER | 1 | Apr 2025 |
Recent active vehicles (12 shown)
Fleet data is aggregated from FMCSA roadside inspection records (24-month rolling window). Vehicles inspected under this carrier's DOT number are listed. A VIN can appear under multiple carriers over its lifetime if leased, sold, or operated by different fleets at different times. Recall status is VIN-specific — use the NHTSA recall lookup linked on each vehicle above to see whether a given VIN has open (unremedied) recalls, or verify with the OEM dealer.
Dispatch Services in TX
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Verify on Official Sources
Cross-reference this carrier's data with official FMCSA systems:
Safety Performance
Below Average
Above average OOS rates
O Trucking Safety Grade
6
Inspections
24 months
42
Violations
Total found
3
Out of Service
Orders issued
Out-of-Service Rates vs National Average
✓ Better than national average (-6.2%)
✗ Worse than national average (+17.2%)
Out-of-service rates follow FMCSA's definition: the share of relevant roadside inspections in which at least one out-of-service order was issued. Vehicle rates use level 1, 2 and 5 inspections; driver rates use level 1, 2, 3 and 6. National averages are computed from the same FMCSA inspection data.
| Date | State | Level | Violations | OOS |
|---|---|---|---|---|
| 05/15/2026 | TX | Walk-Around | 7 | 2 |
| 01/22/2026 | TX | Walk-Around | 9 | 1 |
| 01/14/2026 | TX | Walk-Around | 7 | ✓ |
| 10/14/2025 | TX | Driver Only | 7 | ✓ |
| 09/24/2025 | TX | Walk-Around | 8 | ✓ |
| 04/25/2025 | TX | Walk-Around | 4 | ✓ |
Inspection data from FMCSA (24-month window). Updated daily. View full inspection history on FMCSA →
Violation Breakdown
A single inspection can produce more than one out-of-service order, so this is a count of orders, not a rate. See the FMCSA vehicle and driver out-of-service rates in Safety Performance above.
Recent Changes
Changes tracked daily from FMCSA data.
Is Quantum-Mechanical Contractors LLC Legitimate? Safety & Fraud Check
A quick, plain-English check of whether this carrier looks safe and legitimate to hire — based on public FMCSA and U.S. Treasury records. It's a screening aid, not a guarantee; always confirm on the official FMCSA SAFER site.
These checks use public U.S. government records — the carrier's license status, safety-inspection and crash history, ownership links, and the U.S. Treasury sanctions list — refreshed automatically. A flag doesn't prove wrongdoing; it's a prompt to verify before you do business.
Reviews of Quantum-Mechanical Contractors LLC
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Frequently Asked Questions
What equipment does QUANTUM-MECHANICAL CONTRACTORS LLC operate?
Based on their FMCSA cargo classifications and fleet data, QUANTUM-MECHANICAL CONTRACTORS LLC is inferred to operate: Dump Truck, Power Only and Dry Van.
Is QUANTUM-MECHANICAL CONTRACTORS LLC's authority currently active?
QUANTUM-MECHANICAL CONTRACTORS LLC currently holds active operating authority with the FMCSA.
How long has QUANTUM-MECHANICAL CONTRACTORS LLC been in business?
QUANTUM-MECHANICAL CONTRACTORS LLC has been registered with the FMCSA since January 2025, making their authority approximately 1 year, 6 months old.
Where is QUANTUM-MECHANICAL CONTRACTORS LLC located?
QUANTUM-MECHANICAL CONTRACTORS LLC is physically located at 3620 IDA ST, EDINBURG, TX 78539-0913.
Roadside Inspection History 6 records
Individual inspections from FMCSA Motor Carrier Management Information System (MCMIS). Last 24 months. Updated monthly.
What this means
QUANTUM-MECHANICAL CONTRACTORS LLC has been inspected 6 times by state troopers and DOT inspectors in the past 24 months. Most inspections happened in TX. Out of these, 2 inspections (about 33%) resulted in an out-of-service order — meaning the truck or driver was held until a violation was fixed. The national average vehicle out-of-service rate is roughly 21%. The most frequently cited violation is 392.2W — 7 times in this window.
| Date | State | Level | Violations | OOS |
|---|---|---|---|---|
| 2026-05-15 | TX | Level 2 · Walk-around | 7 | OOS · 2 |
| 2026-01-22 | TX | Level 2 · Walk-around | 9 | OOS · 1 |
| 2026-01-14 | TX | Level 2 · Walk-around | 7 | — |
| 2025-10-14 | TX | Level 3 · Driver-only | 7 | — |
| 2025-09-24 | TX | Level 2 · Walk-around | 8 | — |
| 2025-04-25 | TX | Level 2 · Walk-around | 4 | — |
Most-Cited Violations
Top 10 violation types across this carrier's roadside inspections. Cards in red triggered an out-of-service order — the most serious outcome.
Roadside Violation Profile
21 individual violations from FMCSA roadside inspections (rolling 24 months) are itemised for QUANTUM-MECHANICAL CONTRACTORS LLC, of which 2 (10%) placed a driver or vehicle out of service. Itemised records can lag FMCSA's per-inspection totals shown in Violation Breakdown.
| BASIC category | Violations | Out-of-service |
|---|---|---|
| Vehicle Maintenance | 21 | 2 |
Source: FMCSA roadside-inspection violation records (rolling 24-month summary). Counts reflect citations across all inspections under this carrier's DOT number; see Inspection History for individual inspection events. Violation severity and CSA percentile scores are shown in the Safety & Compliance section.
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