Carrier profile · USDOT 1673836 · Updated Jun 13, 2026
SOUTHERN ENGINEERING & CONSTRUCTION CORP
22 power unitsavg 13.8 yrLocal · 1 statesBOYNTON BEACH, FL74/100
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 company officer with other carriers
jeffrey williams — 34 carriers: USDOT 423790USDOT 486881USDOT 675859USDOT 1093349USDOT 1314130USDOT 1679427USDOT 1768832USDOT 1806904
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)2222
Observed (24 mo)1414
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
Owner / group view· confidence: officer
Owner / group view
Affiliated authorities
Collapses 34 related authorities · joined by officer
- Authorities
- 34
- Combined power
- 123
- States
- 18
- Oldest authority
- Oct 12, 1990
- Active now
- 19
- SOUTHERN ENGINEERING & CONSTRUCTION CORP· viewingUSDOT 167383622PU
- LEGACY ENVIRONMENTAL SERVICES LLCUSDOT 211323926PU
- LOCATION LOGISTICS LLCUSDOT 256740512PU
- FEEDMORE WNYUSDOT 48688112PU
- SPAFFORDS & SONS OF WILLISTON VT INCUSDOT 131413011PU
- WILLIAMS EXCAVATING & ELECTRICUSDOT 23130954PU
- WINSUPPLY DAYTON OH COUSDOT 39904743PU
- RAYLYN TRUCKING LLCUSDOT 44357143PU
- WILLIAMS SEPTIC TANKUSDOT 25176663PU
- T&J WILLIAMS ENTERPRISES LLCUSDOT 36787142PU
- CARDINAL SERVICES AND CONSULTING LLCUSDOT 43705992PU
- A&T SYSTEMS INCORPORATEDUSDOT 45680042PU
- WILLIAMS & WILLIAMS LLCUSDOT 26858682PU
- JEFFREY WILLIAMSUSDOT 6758592PU
- JEFFREY S WILLIAMSUSDOT 18069041PU
- TOTAL QUALITY TRANSPORTATION INCUSDOT 17688321PU
- JNT TRUCKING LLCUSDOT 35001581PU
- FLOYDTOWN FARMS PARTNERSHIPUSDOT 36838181PU
- BIG WILL TRANSPORT COUSDOT 29039721PU
- JEFFREY WILLIAMSUSDOT 33993161PU
- JEFFREY C WILLIAMS LLCUSDOT 37594271PU
- JEFFREY WILLIAMSUSDOT 4237901PU
- JEFFREY WILLIAMS INCUSDOT 35773771PU
- C&W RUG CLEANERS INCUSDOT 16794271PU
- WILLIAMS FENCE COMPANYUSDOT 30423211PU
- HB WILLIAMS INCUSDOT 10933491PU
- J & W LOGISTIC LLCUSDOT 25915981PU
- WILLIAMS BOYZ TRUCKING COMPANY LLCUSDOT 36936781PU
- J&W HAULING AND TRANSPORT LLCUSDOT 32153541PU
- WILLIAMS COASTAL EXPRESS LLCUSDOT 28244871PU
- DUMP TRUX LLCUSDOT 39478841PU
- KASEKOJAVI INDUSTRIESUSDOT 22860410PU
- JEFFREY WILLIAMSUSDOT 22106790PU
- TAPTAP ENTERPRISES LLCUSDOT 43374460PU