Carrier profile · USDOT 1771059 · Updated Jun 13, 2026
Support Services LLC
1 power unitMANCHESTER, MD50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 4175 HANOVER PIKE, MANCHESTER, MD, 21102
- Operation
- Interstate· Hazmat
Contact
- Phone
- (410) 239-8331
- Cell
- (443) 250-3875
- Fax
- (410) 239-0356
- jbubczyk@hdgllc.net
- Web domain
- hdgllc.net
Registration
- Officer
- Martin K P Hill
- USDOT / docket
- 1771059
- First registered
- May 12, 2008
- Last MCS-150
- Dec 26, 2018 · 1 mi (2017)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.