USDOT 4515718 · carrier profile
CORNERSTONE COMFORT SOLUTIONS INC
Doing business as MCLAIN HEATING COOLING AND ELECTRICAL. Active private carrier in Kingsport, TN 37660.
Power units
Drivers
CDL drivers
Status
Registration
- USDOT number
- 4515718
- MC / docket number
- None on file
- USDOT status
- Active
- Operation
- Interstate
- Carrier type
- Private property
- Location
- Kingsport, TN 37660
- Hazmat
- No
- Safety rating
- Not rated
- Added to the census
- Jan 9, 2026
- Last MCS-150 update
- Feb 25, 2026
Equipment
| Type | Owned | Term leased | Trip leased |
|---|---|---|---|
| Straight trucks | 1 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
Power units: 1. Self-reported by the carrier on form MCS-150.