Carrier profile · USDOT 450317 · Updated Jun 13, 2026
DAY & ZIMMERMANN NPS
4 power unitsLocal · 1 statesPHILADELPHIA, PA50/100
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 registration email domain with other carriers
@dayzim.com — 4 carriers: USDOT 1974312USDOT 2333747USDOT 3943534
Shares a company officer with other carriers
john mccormick — 16 carriers: USDOT 596328USDOT 628278USDOT 1344190USDOT 1607987USDOT 1641703USDOT 1644037USDOT 1974312USDOT 1977920
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)44
Observed (24 mo)11
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
Owner / group view· confidence: email domain + officer
Owner / group view
Affiliated authorities
Collapses 18 related authorities · joined by email domain + officer
- Authorities
- 18
- Combined power
- 31
- States
- 14
- Oldest authority
- Jun 25, 1991
- Active now
- 10
- DAY & ZIMMERMANN NPS· viewingUSDOT 4503174PU
- HEED INCUSDOT 42208316PU
- THE ATLANTIC GROUPUSDOT 19743123PU
- DAY & ZIMMERMANN LONE STAR LLCUSDOT 23337473PU
- ZZJOHN MCCORMICKUSDOT 13441902PU
- JOHN STEVEN MCCORMICKUSDOT 16440371PU
- GEN III INCUSDOT 5963281PU
- SOC LLCUSDOT 39435341PU
- J & M TRANSPORT NW LLCUSDOT 30835871PU
- MCC PROPERTIES WEST LLCUSDOT 24167921PU
- J&M TRANSPORT LLCUSDOT 21048531PU
- JOHN MCCORMICKUSDOT 16079871PU
- JOHN MCCORMICKUSDOT 16417031PU
- MCCORMICK'S CONCESSIONS LLCUSDOT 25620441PU
- JOHN MCCORMICKUSDOT 6282781PU
- JOHN MCCORMICKUSDOT 22048651PU
- FELROY LAND WORKS INCUSDOT 45398301PU
- JOHN R MCCORMICKUSDOT 19779201PU
Affiliated entities· hover to preview