Addt CORP (USDOT 4137437)
MonitorFindings
3 other active carriers are registered at this physical address, and a carrier registered here has had its authority revoked.
15% driver OOS over 20 inspections vs. national average 6.37%. Typically reflects HOS or CDL-compliance issues
Vehicle maintenance ranks 96 of 100, Unsafe driving 80 of 100, and Hours of service 76 of 100 among similar carriers with recent violations (higher = worse). fleetfax peer estimate, not official CSA scores.
- DOT number
- USDOT 4137437
- Docket (MC) number
- MC1634055
- Operating authority
- Common carrier authority: active. The federal bulk file showed this carrier's USDOT registration active as of Sep 19, 2026. We could not confirm that live just now.
- Authority granted
- Jun 3, 2024
- Insurance on file
- Liability (BIPD) insurance on file for $750,000.
- Safety rating
- No published safety rating
- Fleet on file
- 4 power units, 4 drivers
- Operation type
- Interstate
- Physical address
- 2520 CHERRY AVE, SIGNAL HILL, CA 90755
- MCS-150 last filed
- Sep 2025
Frequently asked questions
What carrier is DOT 4137437?
DOT 4137437 (USDOT 4137437) is Addt CORP, an interstate motor carrier.
What carrier is MC 1634055?
MC 1634055 is the docket number of Addt CORP, USDOT 4137437.
What is Addt CORP's MC number?
Addt CORP's docket number is MC 1634055. Its USDOT number is 4137437.
Is Addt CORP currently authorized to operate?
Common carrier authority: active. The federal bulk file showed this carrier's USDOT registration active as of Sep 19, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Addt CORP have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $750,000.
Who provides Addt CORP's insurance?
Addt CORP's liability insurance is filed with FMCSA by Hyundai Marine & Fire Ins CO LTD (US Branch).
What is Addt CORP's safety record?
In the last 24 months, FMCSA records show a 10.5% vehicle out-of-service rate for Addt CORP, from 2 of 19 vehicle inspections, against a national average of 22.9% (fleetfax-computed from FMCSA inspections, as of Sep 11, 2026). FMCSA records also show 0 recordable crashes in the same window.
What is Addt CORP's CSA score?
FMCSA does not publish a single CSA score for carriers. Addt CORP's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Addt CORP's FMCSA safety rating?
Addt CORP 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.
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 19, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status