SC
SIERRA CHEMICALS LC
CarrierIntel Score: 70/100. 2 inspection violations in the past 12 months. Updated Oct 2026.
DOT 978111ActiveInterstateLUBBOCK, TX
COMPANY
Authority since
—
MCS-150
2025-01-06 · 382,359 mi (2024)
Fleet
26 units · 31 trailers · 39 drivers
Annual mileage (VMT)
382,359 mi (2024)
ADDRESS
Physical
4721 HWY 84
LUBBOCK, TX 79416
LUBBOCK, TX 79416
Mailing
PO BOX 893
DURANGO, CO 81302
DURANGO, CO 81302
CONTACT
Phone
9707644114
Email
info@sierrachemicals.com
OFFICERS
Primary Officer
SEAN GRISWOLD
Title
OWNERPRESIDENT
OPERATION & CARGO
Operation classification
Private Property
Specialty
Tanker / Bulk Liquids
Cargo types
1
Chemicals
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
301 mo
Since USDOT registration
INSURANCE
Verification needed
No federal insurance filing found. Whether this carrier must file one is unclear from its registration; verify coverage through state records or the insurer.
RISK GRADE
Minimal Risk
0 risk factors · 1 strengths
OOS RATE
29.4%
5 / 17 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
70
out of 100
Good
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Minimal Risk
0 risk factors · 1 strengths · 2 data pointsSAFETY PERFORMANCE
Crash Record
2 crashes · 0 fatal · 1 with injuries · 2 tow-away
Clean Inspection Rate
71% — 12 clean of 17 inspections
Out-of-Service Rate
29.4% — driver OOS 1 insp., vehicle OOS 4 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
No operating authority on file
Out-of-service orders
None on record
Authority Events
No authority history events
MCS-150 Filing
Last filed 2025-01-06
INSURANCE
Active Coverage
Verification needed — No federal insurance filing found. Whether this carrier must file one is unclear from its registration; verify coverage through state records or the insurer.
SUMMARY
No crashes in the last 24 months
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