NAICS PSC rankings
Top PSC paths for NAICS 324110.
Use this ranking when the research starts with NAICS 324110 and you want the strongest service-code pages attached to Petroleum Refineries before moving into deeper intersections.
NAICS PSC rankings
Top PSC paths
These NAICS-scoped rankings are useful when you want a cleaner entry point than the full code page and a faster pivot into geography or service-lane research.
PSC V124
1 visible recipients · TRANSPORTATION/TRAVEL/RELOCATION- TRANSPORTATION: MARINE CHARTER
PSC L019
1 visible recipients · TECHNICAL REPRESENTATIVE- SHIPS, SMALL CRAFT, PONTOONS, AND FLOATING DOCKS
PSC M1PZ
1 visible recipients · OPERATION OF OTHER NON-BUILDING FACILITIES
PSC V115
1 visible recipients · TRANSPORTATION/TRAVEL/RELOCATION- TRANSPORTATION: VESSEL FREIGHT
PSC V119
1 visible recipients · TRANSPORTATION/TRAVEL/RELOCATION- TRANSPORTATION: OTHER
PSC Z1QA
1 visible recipients · MAINTENANCE OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE)
PSC Z2QA
1 visible recipients · REPAIR OR ALTERATION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE)
PSC 9140
1 visible recipients · FUEL OILS
PSC 9130
2 visible recipients · LIQUID PROPELLANTS AND FUELS, PETROLEUM BASE
PSC 5610
1 visible recipients · MINERAL CONSTRUCTION MATERIALS, BULK
PSC R706
1 visible recipients · SUPPORT- MANAGEMENT: LOGISTICS SUPPORT
PSC 6830
1 visible recipients · GASES: COMPRESSED AND LIQUEFIED
Other NAICS ranking views
Move around NAICS 324110
Use sibling ranking layers when you want to stay inside the same industry lane but switch between geography and service-code analysis.
Directory graph
Move into full directory hubs
Use the NAICS-specific ranking page as a shortcut, then move back into the broader NAICS, state, PSC, and top-list hubs when you want wider browse coverage.