Carrier profile · USDOT 4146451 · Updated Aug 16, 2026
System Service & Engineering LLC
2 power unitsavg 5 yrLocal · 1 statesLYNN HAVEN, FL100/100
AUTHORITY STATUS UNKNOWNHAZMAT
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
@fidelitybsg.com — 26 carriers: USDOT 365099USDOT 403936USDOT 432755USDOT 887140USDOT 1285862USDOT 1461083USDOT 1687747USDOT 1944152
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)22
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
Owner / group view
Affiliated authorities
Collapses 26 related authorities · joined by email domain
- Authorities
- 26
- Combined power
- 114
- States
- 12
- Oldest authority
- Sep 11, 1989
- Active now
- 25
- SYSTEM SERVICE & ENGINEERING LLC· viewingUSDOT 41464512PU
- JAMES LANE AIR CONDITIONING COMPANY INCUSDOT 283388021PU
- FIDELITY ENGINEERING LLCUSDOT 88714019PU
- SYSTEMS CONTRACTORS INCUSDOT 43275519PU
- STAR SERVICE INC OF JACKSONUSDOT 434458112PU
- METRO MECHANICAL LLCUSDOT 16877476PU
- LYONS COMPANY INCUSDOT 3650994PU
- UNITED MECHANICAL LLCUSDOT 35264924PU
- DARNOLD MECHANICAL INCUSDOT 32386264PU
- H E NEUMANN COUSDOT 4039363PU
- ENVIRONMENTAL SYSTEMS COMPANY LLCUSDOT 30519493PU
- TROPIC-KOOL LLCUSDOT 43427062PU
- AIR ONE INDUSTRIES LLCUSDOT 38333392PU
- CTHX LLCUSDOT 12858622PU
- SOJAM LLCUSDOT 14610832PU
- ENVIRONMENTAL SYSTEMS COMPANY LLCUSDOT 42637341PU
- AIR TECHNOLOGIES OF OKLAHOMA CITY LLCUSDOT 37829141PU
- CII SERVICE OF SOUTHWEST VIRGINIA INCUSDOT 41476891PU
- CII ENGINEERED SYSTEMS INCUSDOT 41478821PU
- STAR SERVICES INC OF JACKSONUSDOT 41471141PU
- CHESAPEAKE SYSTEMS LLCUSDOT 19441521PU
- NASON MECHANICAL SYSTEMS LLCUSDOT 43427211PU
- CENTRAL TECH SERVICES LLCUSDOT 35265091PU
- CII SERVICE OF NORTH CAROLINAUSDOT 41012971PU
- CTHX SERVICES LLCUSDOT 39964150PU
- CII SERVICE OF CENTRAL VIRGINIA INCUSDOT 41512360PU