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GLASSCOCK CO INC

USDOT 245007 · MC-252904 · 5378 BROAD STREET, SUMTER, SC 29154

52High riskElevated riskVektor risk score · 0–100

Generated August 11, 2026 from the live FMCSA / NHTSA record. Decision support — not an FMCSA safety rating or a recommendation to use or avoid any carrier. Verify authority & insurance before tendering.

Watch · 3

  • USDOT registration inactive — The USDOT record is flagged inactive — the carrier may not be authorized to operate.
  • No active operating authority — No active common, contract, or broker authority is on file for a for-hire carrier.
  • MCS-150 census data outdated — The biennial MCS-150 update is 6.4 years old; fleet/mileage figures may be unreliable.

In good standing · 2

  • Insurance on file — BIPD (liability) insurance is on file with FMCSA.
  • Established 42 years — Operating authority has been on file since 1984.

Identity & authority

Operating status
Inactive
Common authority
None
Contract authority
Inactive
Broker authority
None
Safety rating
Not rated
Authority age
42 yr
Registered
Apr 9, 1984
Out-of-service
No
Phone
(803) 494-2694
Email
brannon.mcgiboney@americanmaterialsco.com
Website
americanmaterialsco.com
Address
5378 BROAD STREET, SUMTER, SC 29154

Fleet

Power units
0
Drivers
1
Observed units
0
Avg fleet age

Insurance

Auto-liability on file
Yes
BIPD limit
$750k
Cargo on file
No
Cargo limit
$750k
Bond on file
No
Lapses
0

Safety · trailing 24 months

Vehicle OOS
Driver OOS
Inspections
0
Crashes
0
Fatal crashes
3