Fleet typeIdentity
Asset-based
16 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 537784 · MC-946892
ZUM MALLEN ROCK & GRAIN CORPORATION
16 power unitsavg 11.6 yrRegional · 4 statesOKARCHE, OK
CARRIER ACTIVEMC-946892 ACTIVE
Observed fleet · trailing 24 mo daily
16Power units
13 observed · MCS-150
12Trailers seen
Decoded · vPIC
11.6Avg age (yr)
1998–2025 · 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 fileFatal crash on record
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 33 yearsOperating authority has been on file since 1993.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 51 inspections.
Operating authority3232 yr active
since 1993Insurance (BIPD)On file
FMCSA L&IVehicle OOS · 24mo9.19.1 %
▼ 22.26% nat'lCrashes · fatal11
1 in 24moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersTypical
11.6 yr
Model years 1998–2025 · peer benchmark computing.
Identity stabilityStable
32 yr unchanged
Same registration since 1993 — no chameleon / reincarnation signal.
AI readFull read
Is ZUM MALLEN ROCK & GRAIN CORPORATION safe to work with?
Is ZUM MALLEN ROCK & GRAIN CORPORATION safe to load? ZUM MALLEN ROCK & GRAIN CORPORATION (USDOT 537784, MC-946892) is an active asset-based motor carrier based in OKARCHE, OK, operating 16 power units and 13 drivers. Operating authority has been active 32 years (past the 24-month broker-confidence threshold). Across 51 roadside inspections, its vehicle out-of-service rate is 9.1% (below the 22.26% national average), with 1 reportable crash in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it clear to load (88/100), with the leading concern: fatal crash on record. Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
FMCSA fields + Vektor analysis · updated 2026-06-13
ZMZUM MALLEN ROCK & GRAIN CORPORATION 88
01
Safety
51 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 9.1% (24-mo)22 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 2.7% (24-mo)37 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
OOS trajectory· trailing 6-mo vehicle-OOS rate vs national
7.1% now▼ Improving
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
≈1.2 / unit·yr
thin signalabundant signal
Within the expected band for a 16-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
- Registered power units
- 16
- Inspections · 24 mo
- 37
- Annualized
- ≈19 / yr
- Coverage
- ≈1.2 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.
- 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving18
- 393.45 Brake tubing / hose defectsVehicle Maintenance2 · 1 OOS
- 396.3 Inspection / repair / maintenance not performedVehicle Maintenance2 · 1 OOS
- 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance2 · 2 OOS
- 393.53 Automatic brake adjusters / indicatorsVehicle Maintenance1
- 393.55 Antilock brake system (ABS)Vehicle Maintenance1
- 393.47 Brake actuators / linings / componentsVehicle Maintenance1
- 393.78 Windshield wipersVehicle Maintenance1
- 393.9 Inoperative required lampsVehicle Maintenance1
- 395.8 Record of duty status (log / ELD) not current or missingHOS Compliance1 · 1 OOS
02
Authority & insurance
Can they legally + adequately haul your load?
Operating authority· 49 CFR · per type
Operating authority
- Common
- Active
- Contract
- None
- Broker
- None
Insurance & bonds
BIPD / liability (required)Filed with FMCSA
CargoNone
Surety bond (BMC-84)None
Insurance continuity· insurer · policy · lapses
$750k BIPD · 2 insurers · 0 lapsesContinuous
+1 earlier
Oklahoma · 16–24
20162025
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.
2 insurer eras · collapsed from 3 filings
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| NAVIGATORS INSURANCE COMPANY | Oct 2024 → Oct 2025 | $750k | 1 |
| OKLAHOMA SURETY COMPANY | Jan 2016 → Oct 2024 | $750k | 2 |
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 16
- Observed power (24 mo)
- 13
- Trailers (towed)
- 12
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
2025
Newest model yr
1998
Oldest model yr
VINs decoded
04
Operations & lanes
Revealed by inspection density across 4 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusRegional
revealedStates observed44
US statesInspections · 24 mo3737
OK busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
OKARCHE, OK
Top corridor
OK
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
Last 12 months: 1 truck also ran under 1 other carrier
VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 791957Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (2 trucks · 2 carriers)
Across all inspections on record: USDOT 3140553USDOT 618032
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)1616
Observed (24 mo)1313
Shared w/ other carriers22
Registered and roadside-observed capacity are broadly consistent.
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 3210 192ND ST NE, OKARCHE, OK, 73762
- Mailing address
- PO BOX 186, EL RENO, OK, 73036
- Operation
- Interstate
Contact
- Phone
- (405) 642-0404
- Web domain
- zummallenrock.com
Registration
- Officers
- Vernes Zummallen · Thomas Zummallen
- USDOT / docket
- 537784 · MC-946892
- First registered
- 09/24/1993
- Last MCS-150
- 12/17/2025 · 12,000,000 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
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Leave a review09
Frequently asked
What is ZUM MALLEN ROCK & GRAIN CORPORATION's USDOT number?
ZUM MALLEN ROCK & GRAIN CORPORATION's USDOT number is 537784, and its motor carrier number is MC-946892.
Is ZUM MALLEN ROCK & GRAIN CORPORATION authorized to operate?
As of 2026-06-13, ZUM MALLEN ROCK & GRAIN CORPORATION is active in the FMCSA register with common, contract, broker operating authority on file.
What is ZUM MALLEN ROCK & GRAIN CORPORATION's safety record?
ZUM MALLEN ROCK & GRAIN CORPORATION has a 9.1% vehicle out-of-service rate (national average 22.26%) across 51 roadside inspections, with 1 reportable crash in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 88/100 (tier: clear).
How big is ZUM MALLEN ROCK & GRAIN CORPORATION's fleet?
ZUM MALLEN ROCK & GRAIN CORPORATION operates 16 power units and 13 drivers per its most recent MCS-150 filing.
Where is ZUM MALLEN ROCK & GRAIN CORPORATION based?
ZUM MALLEN ROCK & GRAIN CORPORATION is based in OKARCHE, OK, with roadside inspections recorded across 4 states.