Carrier profile · USDOT 479622 · MC-252406 · Updated Jun 13, 2026
Keystone Bus Service Inc
0 power unitsPHILADELPHIA, PA50/100
CARRIER INACTIVEMC-252406 INACTIVERATED 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
- 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 ’07 · 13 insurers · 1 lapseCoverage lapse
beyond this history
1994200220102018now
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This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here.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 |
|---|---|---|---|
| LINCOLN GENERAL INSURANCE COMPANY | May 2006 → May 2007 | $5M | 1 |
| NORTHLAND INSURANCE COMPANY | Apr 2006 → May 2006 | $5M | 1 |
| AXIS SURPLUS INSURANCE COMPANY | Sep 2005 → Apr 2006 | $5M | 1 |
| NORTHLAND INSURANCE COMPANY | Jul 2005 → Apr 2006 | $5M | 1 |
| SCOTTSDALE INSURANCE COMPANY | May 2005 → Sep 2005 | $5M | 1 |
| NORTHLAND INSURANCE COMPANY | May 2005 → Jul 2005 | $5M | 1 |
| NEW HAMPSHIRE INSURANCE CO. | Jun 2004 → Feb 2005 | $5M | 5 |
| LIBERTY MUTUAL INSURANCE CO. | Mar 2003 → Sep 2003 | $5M | 1 |
| RLI INSURANCE COMPANY | Mar 2001 → Mar 2003 | $5M | 4 |
| GREAT AMERICAN INSURANCE COMPANY OF NEW YORK | Jul 1999 → Mar 2001 | $5M | 2 |
| ACCELERATION NATIONAL INSURANCE CO. | May 1998 → May 1999 | $5M | 4 |
| RELIANCE NATIONAL INDEMNITY COMPANY | Mar 1997 → Jun 1998 | $5M | 3 |
| QUAKER CITY INSURANCE COMPANY | Mar 1996 → Mar 1997 | $5M | 1 |
| CLARENDON NATIONAL INS. CO. | Mar 1995 → Mar 1996 | $5M | 1 |
| NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA | Jul 1994 → Mar 1995 | $5M | 2 |