Carrier profile · USDOT 332428 · MC-241053 · Updated Jul 18, 2026
533823 Ontario Limited
DBA SONS TRANSFER
5 power unitsTHORNBURY, ON50/100
CARRIER INACTIVEMC-241053 INACTIVERATED SATISFACTORYHAZMAT
Authority & Insurance
Active operating authority by type and the full insurance continuity timeline — insurer, policy, coverage, and any lapses — so you can confirm they can legally and adequately haul your load today.
Operating authority· 49 CFR · per type
Operating authority
- Common
- Inactive
- Contract
- Inactive
- Broker
- None
Insurance & bonds
BIPD filing (census)Not recorded per census
Cargo filing (census)Not recorded per census
Surety bond (census)Not recorded per census
Insurance continuity· insurer · policy · lapses
$5M BIPD last filed ’23 · 5 insurers · 1 lapseCoverage lapse
Royal’93–’09
1992200120102019now
Shorter eras are too brief to label at this scale — all 6 insurers are named in the list below.
This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.
All 6 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| NORTHBRIDGE GENERAL INSURANCE CORPORATION | Jan 2017 → Mar 2023 | $5M | 1 |
| NORTHBRIDGE COMMERCIAL INSURANCE CORPORATION | Apr 2014 → Jan 2017 | $5M | 1 |
| OLD REPUBLIC INSURANCE COMPANY | Apr 2013 → Apr 2014 | $5M | 2 |
| NORTHBRIDGE COMMERCIAL INSURANCE CORPORATION | Sep 2012 → Mar 2013 | $5M | 1 |
| ROYAL INSURANCE COMPANY | Nov 1993 → Sep 2009 | $5M | 1 |
| ESSEX INSURANCE COMPANY | Jul 1992 → Nov 1993 | $5M | 1 |