Viper Engineering & Manufacturing LLC (USDOT 4434398)
MonitorFindings
One other active carrier is registered at this physical address. Shared addresses are common for freight offices and registered agents.
3 trucks on file · active 1 year · no inspections in our 24-month roadside record
- DOT number
- USDOT 4434398
- Operating authority
- Federal operating authority is not required — private carrier operation. The federal bulk file showed this carrier's USDOT registration active as of Sep 14, 2026. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 3 power units, 20 drivers
- Operation type
- Interstate
- Physical address
- 930 DEVELOPMENT DR, LODI, WI 53555-1300
- MCS-150 last filed
- Sep 2025
Connected carriers
Other carriers linked to this one in FMCSA registration and roadside-inspection records:
Frequently asked questions
What carrier is DOT 4434398?
DOT 4434398 (USDOT 4434398) is Viper Engineering & Manufacturing LLC, an interstate motor carrier.
What is Viper Engineering & Manufacturing LLC's USDOT number?
Viper Engineering & Manufacturing LLC's USDOT number is 4434398. No MC docket number is on file.
Is Viper Engineering & Manufacturing LLC currently authorized to operate?
Federal operating authority is not required — private carrier operation. The federal bulk file showed this carrier's USDOT registration active as of Sep 14, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Viper Engineering & Manufacturing LLC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Viper Engineering & Manufacturing LLC's safety record?
FMCSA records show no vehicle inspections for Viper Engineering & Manufacturing LLC in the last 24 months, so there is no out-of-service rate. FMCSA records also show 0 recordable crashes in the same window.
What is Viper Engineering & Manufacturing LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. Viper Engineering & Manufacturing LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Viper Engineering & Manufacturing LLC's FMCSA safety rating?
Viper Engineering & Manufacturing LLC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.
Changes over time
A free account follows changes on the carriers you save.
View the full fleetfax report for Viper Engineering & Manufacturing LLC
More carriers based in Wisconsin
Run a SAFER company snapshot lookup for any carrier
Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 14, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status