Carrier profile · USDOT 540304 · MC-521283 · Updated Jun 13, 2026
Southwest Bus Services Inc
0 power unitsPRAIRIE DU CHIEN, WI50/100
CARRIER ACTIVEMC-521283 ACTIVERATED SATISFACTORY
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
- Active
- Contract
- None
- Broker
- None
Insurance & bonds
BIPD / liability$4,000,000 in force
Cargo filing (census)Not recorded per census
Surety bond (census)Not recorded per census
Insurance adequacy· filed BIPD vs the $750K federal floor
$4M in forcegeneral-freight federal minimum
$750K floor
Insurance continuity· insurer · policy · lapses
$5M BIPD last filed ’16 · 5 insurers · 0 lapsesInsurer churn
beyond this history
2005201120172023now
Shorter eras are too brief to label at this scale — all 7 insurers are named in the list below.
BIPD in force — $4,000,000 · NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA · since Nov 2020
All 7 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| HARLEYSVILLE INSURANCE COMPANY | Nov 2016 → Nov 2016 | $5M | 8 |
| LANCER INSURANCE COMPANY | Nov 2010 → Dec 2016 | $5M | 6 |
| GENERAL STAR INDEMNITY COMPANY | May 2010 → Nov 2010 | $5M | 1 |
| AMERICAN ALTERNATIVE INSURANCE CORPORATION | Nov 2009 → Nov 2010 | $5M | 2 |
| GENERAL STAR INDEMNITY COMPANY | May 2009 → May 2010 | $5M | 2 |
| AMERICAN ALTERNATIVE INSURANCE CORPORATION | Apr 2005 → May 2009 | $5M | 8 |
| AMERICAN SOUTHERN INSURANCE CO. | Apr 2005 → Nov 2007 | $5M | 1 |