Fleet typeIdentity
Owner-operator
3 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 435970 · MC-1245983
SIEFRING BROTHERS TRUCKING LLC
3 power unitsCOLDWATER, OH
CARRIER ACTIVEMC-1245983 ACTIVERATED CONDITIONAL
Observed fleet · trailing 24 mo daily
3Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Awaiting decode
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 fileNo inspection history despite active fleet
Operating authority3535 yr active
since 1991Insurance (BIPD)On file
FMCSA L&IVehicle OOS · 24mo—%
▼ 22.26% nat'lCrashes · fatal00
1 in 24moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Awaiting VIN decode
Identity stabilityStable
35 yr unchanged
Same registration since 1991 — no chameleon / reincarnation signal.
AI readFull read
Is SIEFRING BROTHERS TRUCKING LLC safe to work with?
Is SIEFRING BROTHERS TRUCKING LLC safe to load? SIEFRING BROTHERS TRUCKING LLC (USDOT 435970, MC-1245983) is an active owner-operator motor carrier based in COLDWATER, OH, operating 3 power units and 4 drivers. Operating authority has been active 35 years (past the 24-month broker-confidence threshold). FMCSA rates it Conditional. Vektor rates it clear to load (88/100), with the leading concern: no inspection history despite active fleet. Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
FMCSA fields + Vektor analysis · updated 2026-06-13
SBSIEFRING BROTHERS TRUCKING LLC 88
01
Safety
Roadside inspections, BASICs & crash history
Out-of-service rate· trailing 24 months vs national benchmark
No roadside inspections on record.
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 · 1 insurer · 0 lapsesContinuous
Auto Owners · 21–21
20212021
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.
1 insurer era · collapsed from 2 filings
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| AUTO OWNERS INSURANCE COMPANY | May 2021 → May 2021 | $750k | 2 |
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 3
- Observed power (24 mo)
- —
- Trailers (towed)
- —
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
04
Operations & lanes
Revealed by inspection density · 24 mo
Inspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
COLDWATER, OH
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
Shares a registration email domain with other carriers
@tstcinc.com — 199 carriers: USDOT 360157USDOT 360171USDOT 372050USDOT 389805USDOT 400130USDOT 409900USDOT 603845USDOT 637796
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 4147 PHILOTHEA ROAD, COLDWATER, OH, 45828
- Operation
- Interstate
Contact
- Phone
- (419) 678-2702
- Cell
- (419) 852-2702
- joyceg@tstcinc.com
- Web domain
- tstcinc.com
Registration
- Officer
- Craig Siefring
- USDOT / docket
- 435970 · MC-1245983
- First registered
- 02/08/1991
- Last MCS-150
- 05/23/2025 · 96,844 mi (2024)
- FMCSA safety rating
- Conditional · 04/29/1992
- 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 SIEFRING BROTHERS TRUCKING 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 SIEFRING BROTHERS TRUCKING LLC's USDOT number?
SIEFRING BROTHERS TRUCKING LLC's USDOT number is 435970, and its motor carrier number is MC-1245983.
Is SIEFRING BROTHERS TRUCKING LLC authorized to operate?
As of 2026-06-13, SIEFRING BROTHERS TRUCKING LLC is active in the FMCSA register with common, contract, broker operating authority on file.
How big is SIEFRING BROTHERS TRUCKING LLC's fleet?
SIEFRING BROTHERS TRUCKING LLC operates 3 power units and 4 drivers per its most recent MCS-150 filing.
Where is SIEFRING BROTHERS TRUCKING LLC based?
SIEFRING BROTHERS TRUCKING LLC is based in COLDWATER, OH.