GRINER DRILLING SERVICE INC
Risk Assessment
Authority Active
Operating authority is currently active in FMCSA records.
Established Carrier
52 years of continuous operating authority.
Unrated
No DOT safety rating on file — common, not disqualifying on its own.
Generate a plain-English risk narrative for GRINER DRILLING SERVICE INC — synthesizing authority, safety percentiles, crash recency, and chameleon signals into a broker-ready summary.
Full Report
Safety profile
All 7 FMCSA BASIC percentiles, inspections, and out-of-service rates.
Crash history
Individual crashes by date and severity, fleet-normalized.
Insurance & compliance
BI&PD + cargo coverage, carrier, effective dates, and gaps.
Authority & cross-reference
Revocation history + chameleon flags across 4.4M carriers.
Change history
1 recorded change to GRINER DRILLING SERVICE INC’s FMCSA record. Derived from monthly FMCSA Census snapshots.
87
to
91
FAQ · GRINER DRILLING SERVICE INC
Is GRINER DRILLING SERVICE INC a legitimate motor carrier?
GRINER DRILLING SERVICE INC is registered with FMCSA under USDOT number 191671. Operating authority status is currently Active.
Where is GRINER DRILLING SERVICE INC based?
GRINER DRILLING SERVICE INC lists its physical address in COLUMBIA, MS in FMCSA records. The physical state and city fields are provided by the carrier on their MCS-150 form.
Is USDOT 191671 active?
USDOT 191671 (GRINER DRILLING SERVICE INC) operating authority status is currently Active. Last verified by MC Look Up on April 17, 2026. Data is sourced from live FMCSA federal records.
How many trucks does GRINER DRILLING SERVICE INC operate?
GRINER DRILLING SERVICE INC reports 91 power units and employs 42 drivers to FMCSA. These figures come from the carrier's most recent MCS-150 filing.
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