Carrier profile · USDOT 171418 · Updated Jun 13, 2026

GULF INDUSTRIES INC

DBA JACK B HARPER ELECTRICAL LLC

18 power unitsLocal · 1 statesCOVINGTON, LA50/100

AUTHORITY STATUS UNKNOWNRATED SATISFACTORY

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

@gulfmgt.com — 8 carriers: USDOT 394160 USDOT 1089885 USDOT 1669963 USDOT 2608736 USDOT 2909031 USDOT 3709081 USDOT 4439659

Shares a company officer with other carriers

ryan brooks — 6 carriers: USDOT 394160 USDOT 1435331 USDOT 2608736 USDOT 3227196 USDOT 4158213

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

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 11 related authorities · joined by email domain + officer

Authorities: 11
Combined power: 108
States: 7
Oldest authority: Jun 1, 1974
Active now: 7

GULF INDUSTRIES INC· viewingUSDOT 171418
18PU
TRAF-MARK INDUSTRIES LLCUSDOT 394160
28PU
PAVEMENT MARKINGS LLCUSDOT 4439659
24PU
CONTRACTORS SPECIALTY SERVICE COMPANYUSDOT 1669963
12PU
GULF SAFETY PRODUCTS INCUSDOT 2608736
8PU
B & B LANDSCAPING PRESSURE WASHING LPUSDOT 3227196
5PU
JACK B HARPER CONTRACTOR LLCUSDOT 3709081
4PU
JACK B HARPER FLORIDA INCUSDOT 2909031
4PU
RYAN BROOKSUSDOT 1435331
3PU
HUGH L WADEUSDOT 1089885
1PU
RYTE NOW ENTERPRISES LLCUSDOT 4158213
1PU

Affiliated entities· hover to preview

TRAF-MARK INDUSTRIES LLC PAVEMENT MARKINGS LLC CONTRACTORS SPECIALTY SERVICE COMPANY GULF SAFETY PRODUCTS INC B & B LANDSCAPING PRESSURE WASHING LP JACK B HARPER CONTRACTOR LLC JACK B HARPER FLORIDA INC RYAN BROOKS