Fleet typeIdentity
Small fleet
4 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 752852 · MC-340624
STEM TRANSPORT LLC
4 power unitsavg 14.5 yrRegional · 3 statesCHARLESTON, AR
CARRIER ACTIVEMC-340624 ACTIVE
Observed fleet · trailing 24 mo daily
4Power units
5 observed · MCS-150
7Trailers seen
Decoded · vPIC
14.5Avg age (yr)
1999–2020 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-06-13
Clear to load
Active authority and a clean federal record. No blocking issues found.
Active operating authorityInsurance on file
Watch · 0
Nothing flagged.
In good standing · 4
Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 28 yearsOperating authority has been on file since 1998.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 24 inspections.
Operating authority2828 yr active
since 1998Insurance (BIPD)On file
FMCSA L&IVehicle OOS · 24mo7.77.7 %
▼ 22.26% nat'lCrashes · fatal00
clean 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersOlder
14.5 yr
Model years 1999–2020 · peer benchmark computing.
Identity stabilityStable
28 yr unchanged
Same registration since 1998 — no chameleon / reincarnation signal.
AI readFull read
Is STEM TRANSPORT LLC safe to work with?
Is STEM TRANSPORT LLC safe to load? STEM TRANSPORT LLC (USDOT 752852, MC-340624) is an active small-fleet motor carrier based in CHARLESTON, AR, operating 4 power units and 8 drivers. Operating authority has been active 28 years (past the 24-month broker-confidence threshold). Across 24 roadside inspections, its vehicle out-of-service rate is 7.7% (below the 22.26% national average), with 0 reportable crashes in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it clear to load (100/100). Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
FMCSA fields + Vektor analysis · updated 2026-06-13
STSTEM TRANSPORT LLC 100
01
Safety
24 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 7.7% (24-mo)13 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 0.0% (24-mo)15 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
OOS trajectory· trailing 6-mo vehicle-OOS rate vs national
0.0% now▲ Worsening
Inspection coverage· expected vs observed · the fraud signal
Inspection coverage
How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.
Under-inspected
Expected
Well-monitored
Heavily inspected
≈1.9 / unit·yr
thin signalabundant signal
Among the more heavily-inspected carriers for its size — abundant roadside signal. Coverage isn't the question here; the out-of-service and crash record is.
- Registered power units
- 4
- Inspections · 24 mo
- 15
- Annualized
- ≈8 / yr
- Coverage
- ≈1.9 inspections / unit · yr
Violation themes· decoded · grouped by BASIC
What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.
- 393.45 Brake tubing / hose defectsVehicle Maintenance4 · 1 OOS
- 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving1
- 393.47 Brake actuators / linings / componentsVehicle Maintenance1
- 393.48 Brakes inoperativeVehicle Maintenance1
- 393.53 Automatic brake adjusters / indicatorsVehicle Maintenance1
- 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance1
- 393.78 Windshield wipersVehicle Maintenance1
- 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance1
- 396.17 Periodic (annual) inspectionVehicle Maintenance1
- 396.3 Inspection / repair / maintenance not performedVehicle Maintenance1
02
Authority & insurance
Can they legally + adequately haul your load?
Operating authority· 49 CFR · per type
Operating authority
- Common
- None
- Contract
- Active
- Broker
- None
Insurance & bonds
BIPD / liability (required)Filed with FMCSA
CargoNone
Surety bond (BMC-84)None
Insurance continuity· insurer · policy · lapses
$750k BIPD · 4 insurers · 1 lapseCoverage lapse
+1 earlier
Lincoln General · 98–03
Northland · 04–12
Maxum · 12–14
19982014
No BIPD policy is currently in force in the filing history. The authority record may still list one on file — request a COI to confirm current coverage.
4 insurer eras · collapsed from 18 filings
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| MAXUM CASUALTY INSURANCE COMPANY | Jun 2012 → Jun 2014 | $750k | 1 |
| NORTHLAND INSURANCE COMPANY | Jun 2004 → Jul 2012 | $750k | 12 |
| GATEWAY INSURANCE COMPANY | Jun 2003 → Sep 2003 | $750k | 4 |
| LINCOLN GENERAL INSURANCE COMPANY | Jun 1998 → Jun 2003 | $750k | 1 |
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 4
- Observed power (24 mo)
- 5
- Trailers (towed)
- 7
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2020
Newest model yr
1999
Oldest model yr
VINs decoded
04
Operations & lanes
Revealed by inspection density across 3 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusRegional
revealedStates observed33
US statesInspections · 24 mo1515
CO busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
CHARLESTON, AR
Top corridor
CO ⇄ AR
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
No shared-VIN flow in the last 12 months
None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (1 truck · 1 carriers)
Across all inspections on record: USDOT 2998633
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)44
Observed (24 mo)55
Shared w/ other carriers11
Registered and roadside-observed capacity are broadly consistent.
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 4538 FEATHER HILL ROAD, CHARLESTON, AR, 72933
- Mailing address
- PO BOX 72, LAVACA, AR, 72941
- Operation
- Interstate
Contact
- Phone
- (479) 965-6979
- Cell
- (479) 965-6906
- Fax
- (479) 965-0510
Registration
- Officers
- Loyd Stem · Cheryl Stem
- USDOT / docket
- 752852 · MC-340624
- First registered
- 06/10/1998
- Last MCS-150
- 04/27/2026 · 405,260 mi (2025)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
07
Federal activity
Daily-captured FMCSA licensing & insurance changes — monitored by Vektor
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.
08
Reviews
Verified broker, shipper & driver reviews — moderated
Performance ratings only — never the Vektor risk score
No verified reviews yet
Be the first broker or shipper to rate STEM TRANSPORT LLC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.
Leave a review09
Frequently asked
What is STEM TRANSPORT LLC's USDOT number?
STEM TRANSPORT LLC's USDOT number is 752852, and its motor carrier number is MC-340624.
Is STEM TRANSPORT LLC authorized to operate?
As of 2026-06-13, STEM TRANSPORT LLC is active in the FMCSA register with common, contract, broker operating authority on file.
What is STEM TRANSPORT LLC's safety record?
STEM TRANSPORT LLC has a 7.7% vehicle out-of-service rate (national average 22.26%) across 24 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 100/100 (tier: clear).
How big is STEM TRANSPORT LLC's fleet?
STEM TRANSPORT LLC operates 4 power units and 8 drivers per its most recent MCS-150 filing.
Where is STEM TRANSPORT LLC based?
STEM TRANSPORT LLC is based in CHARLESTON, AR, with roadside inspections recorded across 3 states.