Carrier profile · USDOT 748714 · Updated Jun 13, 2026
SENTRY CONTRACTING CORP
DBA ROCK & ROADS
2 power unitsPELHAM, NH50/100
AUTHORITY STATUS UNKNOWN
Network & Fraud
Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.
Shares a company officer with other carriers
roger ploof — 3 carriers: USDOT 368781USDOT 2961360
Owner / group view· confidence: officer
Owner / group view
Affiliated authorities
Collapses 3 related authorities · joined by officer
- Authorities
- 3
- Combined power
- 45
- States
- 2
- Oldest authority
- Oct 4, 1989
- Active now
- 2
- SENTRY CONTRACTING CORP· viewingUSDOT 7487142PU
- BOSTON CONCRETE CORPORATIONUSDOT 296136023PU
- S&R CORPORATIONUSDOT 36878120PU
Affiliated entities· hover to preview