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MASTER DRILLERS INC
Knoxville, TN
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating and crash records checked
FMCSA status: Active registration · no operating authority · DOT 840757
Active
No Safety Rating
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
1 inspection on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
- No active insurance filing found on record
- 1 FMCSA inspection on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
840757
Operating Status
Active
Safety Rating
Not Rated
Entity Type
Corporation
Operation Classification
Private (property)
MCS-150 Filed
September 25, 2025
FMCSA Registration
November 22, 1999
Annual Mileage
4,500 mi (2024)
Contact Information
Address
127 H Perimeter Park Road, Knoxville, TN 37922
Phone
Email
Owner / Officer
Charles R Mccallister
Cargo Types
Water/WellOther Cargo
Safety & Performance
Inspections, violations and crash history
Safety & Inspection Summary
Total Inspections
1
Driver Inspections
1
Vehicle Inspections
1
Total OOS Orders
4
Violations by Category
Vehicle Maintenance4
Unsafe Driving1
Hours of Service0
OOS Rates vs. National Average
Inspection Trend by Year
2026
Inspection Records (1)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| April 15, 2026 | I034AB3020 | KNOXVILLE TN | I | 8 | 4 | MASTER DRILLERS | Straight Truck Semi-trailer |
CHEVROLET BIG TEX |
1GC4KTEY8SF350097 16V3F3325T6455748 |
CO EEET41 TN 696558T |
| 393.43DBMA | OOSBrake - Breakaway not attached to the towing vehicle | Brakes All Others | ||||||||
| 393.100B-C | OOSCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Improper Load Securement | ||||||||
| 383.23A2-LCDLN | OOSLicense (CDL) - Operate a CMV and does not possess a valid CDL | License-related: High | ||||||||
| 391.41APC | OOSMedical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Medical Certificate | ||||||||
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | Inspection Reports | ||||||||
| 392.2-SLLIRP | State/Local Laws - IRP apportioned tag or registration violation | |||||||||
| 392.2-SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other | Dangerous Driving | ||||||||
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | Inspection Reports | ||||||||
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection above. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
1 of 1 inspections
Unsafe Driving
1 of 1 inspections
Hours of Service
0 of 1 inspections
Driver Fitness
1 of 1 inspections
Controlled Substances
0 of 1 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
TN1
Fleet & Equipment (2)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~1
of 2 reported to FMCSA
Trailers
~1
seen at inspection
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2026 Big Tex | Hotshot · 33 ft | 16V3F3325T6455748 | 1 | 1 |
| 2025 Chevrolet Silverado HD | Pickup · Class 3 | 1GC4KTEY8SF350097 | 1 | 1 |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 13, 2026.
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