Carrier profile · USDOT 2388894 · MC-821045 · Updated Jun 13, 2026
M & S Bros Trucklines Inc
2 power unitsavg 4.1 yrNational · 27 statesBAKERSFIELD, CA63/100
CARRIER INACTIVEMC-821045 INACTIVE
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
- None
- 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
$750K BIPD last filed ’26 · 12 insurers · 0 lapsesInsurer churn
2013201720212025now
Shorter eras are too brief to label at this scale — all 15 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This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here.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 15 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| SOUTHLAKE SPECIALTY INSURANCE COMPANY | Feb 2025 → Feb 2026 | $750K | 9 |
| OBSIDIAN SPECIALTY INSURANCE COMPANY | Feb 2024 → Feb 2025 | $750K | 5 |
| HIGHLANDER SPECIALTY INSURANCE COMPANY | Jun 2023 → Feb 2024 | $750K | 3 |
| TRISURA SPECIALTY INSURANCE COMPANY | Feb 2023 → Jun 2023 | $750K | 1 |
| PRIME INSURANCE COMPANY | Feb 2020 → Feb 2023 | $750K | 6 |
| NATIONAL CONTINENTAL INSURANCE CO. | Feb 2019 → Feb 2020 | $750K | 6 |
| UNITED FINANCIAL CASUALTY COMPANY | Dec 2018 → Feb 2019 | $750K | 1 |
| NATIONAL CONTINENTAL INSURANCE CO. | Jul 2018 → Dec 2018 | $750K | 2 |
| UNITED SPECIALTY INSURANCE COMPANY | Jul 2016 → Jul 2018 | $750K | 4 |
| SCOTTSDALE INSURANCE COMPANY | May 2016 → Jul 2016 | $750K | 1 |
| NATIONAL CASUALTY COMPANY | Jan 2016 → May 2016 | $750K | 1 |
| SCOTTSDALE INSURANCE COMPANY | Jul 2015 → Jan 2016 | $750K | 1 |
| UNITED SPECIALTY INSURANCE COMPANY | Jul 2014 → Jul 2015 | $750K | 1 |
| SPIRIT COMMERCIAL AUTO RR GROUP, INC | Sep 2013 → Jul 2014 | $750K | 1 |
| CASTLEPOINT NATIONAL INSURANCE CO | Apr 2013 → May 2013 | $750K | 3 |