Fleet typeIdentity
Unclassified
Fleet signal still resolving
Carrier profile · USDOT 4508516 · MC-1784557 · Updated Jun 13, 2026
S&B WILLIAMS SERVICES LLC
0 power unitsSPARTANBURG, SC50/100
CARRIER ACTIVEMC-1784557 ACTIVE
Observed fleet · trailing 24 mo daily
0Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Not yet decoded
Click to see how we scored it
Load decision · FMCSA snapshot · Jun 13, 2026
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Active operating authorityInsurance on fileNew entrant, limited track record
Watch · 2
New entrant, limited track recordRegistered under a year ago with few inspections — limited public safety history to evaluate.Not enough inspection history to rateNo federal roadside inspections in the last 24 months. There is no recent safety record to judge this carrier on — verify authority, insurance and references directly before tendering.
USDOT registration00 yr registered
Active for-hireInsurance (BIPD)$300K in force
FMCSA L&IVehicle OOS · 24-mo—
No inspections · 24 moCrashes · fatal—
No crash recordVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityNew
0 yr unchanged
Same registration since 2025 — no chameleon / reincarnation signal.
Loading full carrier record…
Verification summary
S&B WILLIAMS SERVICES LLC (USDOT 4508516) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Jun 13, 2026.
The carrier holds active common for-hire operating authority per FMCSA L&I as of Jun 13, 2026.
It has an active BIPD insurance filing with a $300,000 limit in force from PROGRESSIVE NORTHERN INSURANCE COMPANY effective Dec 26, 2025 in FMCSA L&I's current snapshot as of Jun 13, 2026.
The carrier received 0 roadside inspections in the last 24 months — 0 vehicle-level and 0 driver-level, according to FMCSA roadside-inspection data refreshed Jun 13, 2026.
It reports 0 power units and 1 driver in its most recent MCS-150 filing dated Dec 22, 2025.
It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.
02
Frequently asked
What is S&B WILLIAMS SERVICES LLC's USDOT number?
S&B WILLIAMS SERVICES LLC's USDOT number is 4508516, and its motor carrier number is MC-1784557.
Is S&B WILLIAMS SERVICES LLC authorized to operate?
As of Jun 13, 2026, S&B WILLIAMS SERVICES LLC is active in the FMCSA register with common, contract, broker operating authority on file.
How big is S&B WILLIAMS SERVICES LLC's fleet?
S&B WILLIAMS SERVICES LLC operates 0 power units and 1 driver per its most recent MCS-150 filing.
Where is S&B WILLIAMS SERVICES LLC based?
S&B WILLIAMS SERVICES LLC is based in SPARTANBURG, SC.
03
Similar carriers in South Carolina
Comparable carriers operating in South Carolina
More South Carolina carriers
Other FMCSA-registered carriers near this one in the directory, by USDOT number.