Carrier profile · USDOT 2032259 · MC-713707 · Updated Jun 13, 2026
Karen Holzwarth
DBA K & H BUS SERVICE
0 power unitsPHILADELPHIA, PA50/100
CARRIER INACTIVEMC-713707 INACTIVERATED CONDITIONAL
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
- None
- 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 ’20 · 5 insurers · 2 lapsesCoverage lapse
beyond this history
2010201420182022now
Shorter eras are too brief to label at this scale — all 9 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This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here.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 9 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| GENERAL STAR INDEMNITY COMPANY | Apr 2019 → Apr 2020 | $5M | 1 |
| TOPA INSURANCE COMPANY | Apr 2019 → Apr 2020 | $5M | 1 |
| ONYX INSURANCE COMPANY, INC - RRG | May 2017 → Apr 2019 | $5M | 2 |
| TOPA INSURANCE COMPANY | May 2015 → May 2017 | $5M | 5 |
| KNIGHTBROOK INSURANCE COMPANY | May 2013 → May 2015 | $5M | 2 |
| KNIGHTBROOK INSURANCE COMPANY | May 2012 → Jun 2012 | $5M | 3 |
| KNIGHTBROOK INSURANCE COMPANY | May 2011 → Nov 2011 | $5M | 3 |
| NATIONAL LIABILITY & FIRE INS CO. | May 2010 → May 2011 | $5M | 1 |
| GENERAL STAR INDEMNITY COMPANY | May 2010 → Jun 2011 | $5M | 1 |