| IfcActor | 72 | 154 |
| IfcActuator | 5 | 88 |
| IfcAirTerminalTerminali ad aria | 28614 | 1157130 |
| IfcAirTerminalBox | 1921 | 107261 |
| IfcAirToAirHeatRecoveryRecuperatori di calore aria-aria | 5531 | 78003 |
| IfcAlarmSistemi di allarme | 530 | 10381 |
| IfcAnnotation | 126093 | 3087641 |
| IfcAudioVisualAppliance | 792 | 17057 |
| IfcBeamTravi | 87862 | 27453237 |
| IfcBeamStandardCase | 11 | 5415 |
| IfcBoilerCaldaie | 481 | 1679 |
| IfcBuilding | 357377 | 372693 |
| IfcBuildingElementElementi costruttivi | 1 | 1 |
| IfcBuildingElementComponent | 1 | 6 |
| IfcBuildingElementPart | 2153 | 2747498 |
| IfcBuildingElementProxyElementi generici | 60464 | 44251639 |
| IfcBuildingStorey | 345506 | 1417848 |
| IfcBurner | 4 | 20 |
| IfcCableCarrierFitting | 265 | 59413 |
| IfcCableCarrierSegmentCanalizzazioni | 774 | 258594 |
| IfcCableFitting | 12 | 821 |
| IfcCableSegmentCavi | 146 | 9694 |
| IfcChiller | 8 | 14 |
| IfcChimney | 123 | 967 |
| IfcCivilElement | 43 | 568 |
| IfcCoil | 295 | 7772 |
| IfcColumnPilastri | 99660 | 9826731 |
| IfcColumnStandardCase | 9 | 821 |
| IfcCommunicationsApplianceDispositivi di telecomunicazione | 59 | 265 |
| IfcCompressor | 5 | 9 |
| IfcCondenser | 6 | 36 |
| IfcConstructionEquipmentResource | 3 | 88 |
| IfcController | 28 | 92 |
| IfcCoolingTowerCooling Tower | 29 | 177 |
| IfcCostItem | 4 | 28 |
| IfcCostSchedule | 6 | 9 |
| IfcCoveringRivestimenti | 12741 | 3174785 |
| IfcCrewResource | 4 | 7 |
| IfcCurtainWallMuri di taglio | 8359 | 1136052 |
| IfcDamperDampers | 138 | 7382 |
| IfcDiscreteAccessoryDiscrete accessories | 2153 | 445299 |
| IfcDistributionChamberElementPozzetti | 3403 | 66494 |
| IfcDistributionCircuit | 6 | 133 |
| IfcDistributionControlElement | 353 | 21834 |
| IfcDistributionElementElementi di distribuzione di flusso | 5164 | 77932 |
| IfcDistributionFlowElement | 836 | 27147 |
| IfcDistributionPort | 11398 | 16354955 |
| IfcDistributionSystem | 2782 | 120097 |
| IfcDoorPorte | 130338 | 5493620 |
| IfcDuctFittingDistribuzione | 16336 | 2067197 |
| IfcDuctSegmentCanali | 29867 | 3127358 |
| IfcDuctSilencer | 154 | 1620 |
| IfcElectricalCircuit | 0 | 0 |
| IfcElectricApplianceElectrical appliances | 4563 | 109968 |
| IfcElectricDistributionBoardQuadri elettrici | 2204 | 28925 |
| IfcElectricDistributionPoint | 90 | 1408 |
| IfcElectricFlowStorageDevice | 290 | 2272 |
| IfcElectricGeneratorGeneratori elettrici | 0 | 0 |
| IfcElectricMotorMotori elettrici | 14 | 95 |
| IfcElement | 1 | 88 |
| IfcElementAssembly | 27040 | 16633904 |
| IfcEnergyConversionDeviceConvertitori di energia | 13787 | 85591 |
| IfcEvaporator | 11 | 227 |
| IfcExternalSpatialElement | 340471 | 548467 |
| IfcFanVentilatori | 1699 | 6364 |
| IfcFastener | 1397 | 2585970 |
| IfcFilter | 69 | 713 |
| IfcFireSuppressionTerminal | 1435 | 295380 |
| IfcFlowController | 1445 | 152244 |
| IfcFlowFittingUnioni e transizioni di flusso | 2159 | 1890209 |
| IfcFlowInstrument | 5 | 10 |
| IfcFlowMeterContatori | 3376 | 7149 |
| IfcFlowMovingDeviceDispositivi di flusso | 297 | 12852 |
| IfcFlowSegment | 3310 | 2192580 |
| IfcFlowStorageDevice | 152 | 606 |
| IfcFlowTerminalTerminali di flusso | 8837 | 1214091 |
| IfcFlowTreatmentDevice | 50 | 582 |
| IfcFootingFondazioni | 30159 | 993906 |
| IfcFurnishingElement | 5547 | 1235586 |
| IfcFurnitureArredamento | 9204 | 1872941 |
| IfcGeographicElement | 5250 | 65633 |
| IfcGrid | 7947 | 80919 |
| IfcGroup | 7291 | 515753 |
| IfcHeatExchangerScambiatori di calore | 3487 | 21314 |
| IfcInterceptor | 26 | 87 |
| IfcJunctionBoxCassette di connessione | 1032 | 37405 |
| IfcLaborResource | 4 | 358 |
| IfcLampLamapade | 18 | 2123 |
| IfcLightFixtureApparecchi illuminanti | 2523 | 409813 |
| IfcMechanicalFastener | 1868 | 2899466 |
| IfcMedicalDevice | 4 | 44 |
| IfcMemberAltre aste della struttura | 45059 | 17397767 |
| IfcMemberStandardCase | 4 | 2154 |
| IfcOccupant | 42 | 216 |
| IfcOpeningElementAperture | 172300 | 19556489 |
| IfcOpeningStandardCase | 11 | 1100 |
| IfcOutletPrese | 1772 | 225281 |
| IfcPilePali | 2074 | 131098 |
| IfcPipeFittingPipe fittings | 13924 | 837137 |
| IfcPipeSegmentTubi | 40419 | 12538746 |
| IfcPlateLamiere | 9334 | 4069973 |
| IfcProject | 17918 | 17920 |
| IfcProjectionElement | 4 | 544 |
| IfcProtectiveDevice | 78 | 4727 |
| IfcProxy | 44 | 14856 |
| IfcPumpGruppi di pressione | 14662 | 34110 |
| IfcRailingParapetti | 14599 | 552773 |
| IfcRamp | 3006 | 9059 |
| IfcRampFlightRampe | 2095 | 5756 |
| IfcReinforcingBarBarre di armatura | 11915 | 93500137 |
| IfcReinforcingMesh | 31 | 7071 |
| IfcRoofCoperture | 135776 | 1084887 |
| IfcSanitaryTerminalApparecchi sanitari | 8446 | 613629 |
| IfcSensorSensori | 596 | 14042 |
| IfcShadingDeviceEdifici vicini e altri ostacoli | 107817 | 7323067 |
| IfcSiteAmbiente | 373563 | 404409 |
| IfcSlabSolai | 202518 | 7384862 |
| IfcSlabStandardCase | 4 | 1721 |
| IfcSolarDeviceDispositivi solari | 5442 | 79257 |
| IfcSpaceLocali | 152390 | 8493120 |
| IfcSpaceHeaterCorpi scaldanti | 3863 | 65627 |
| IfcSpatialZone | 631 | 24171 |
| IfcStackTerminal | 32 | 603 |
| IfcStair | 23998 | 181455 |
| IfcStairFlightScale | 13107 | 154524 |
| IfcStructuralAction | 1 | 9 |
| IfcStructuralAnalysisModel | 60 | 60 |
| IfcStructuralCurveAction | 4 | 192 |
| IfcStructuralCurveConnection | 8 | 2762 |
| IfcStructuralCurveMember | 64 | 20919 |
| IfcStructuralLinearAction | 16 | 5602 |
| IfcStructuralLinearActionVarying | 6 | 747 |
| IfcStructuralLoadCase | 12 | 70 |
| IfcStructuralLoadGroup | 23 | 1275 |
| IfcStructuralMember | 1 | 1 |
| IfcStructuralPlanarAction | 9 | 4686 |
| IfcStructuralPointAction | 13 | 254 |
| IfcStructuralPointConnection | 90 | 34433 |
| IfcStructuralPointReaction | 11 | 25481 |
| IfcStructuralResultGroup | 11 | 19 |
| IfcStructuralSurfaceConnection | 4 | 263 |
| IfcStructuralSurfaceMember | 27 | 7201 |
| IfcSubContractResource | 1 | 1 |
| IfcSurfaceFeature | 6 | 647 |
| IfcSwitchingDeviceInterruttori | 1324 | 56872 |
| IfcSystem | 1813 | 240475 |
| IfcSystemFurnitureElement | 895 | 51819 |
| IfcTankDespositi | 7319 | 15376 |
| IfcTask | 6 | 299 |
| IfcTendonCavi post-tesi | 156 | 21636 |
| IfcTendonAnchor | 1 | 93 |
| IfcTransformerTrasformatori | 934 | 1398 |
| IfcTransportElementElementi di trasporto | 2116 | 16048 |
| IfcUnitaryControlElementUnitary control elements | 14 | 188 |
| IfcUnitaryEquipment | 3956 | 123032 |
| IfcValveValvole | 4317 | 200044 |
| IfcVibrationIsolator | 1 | 8 |
| IfcVirtualElement | 141087 | 154206 |
| IfcVoidingFeature | 20 | 17093 |
| IfcWallMuri | 162208 | 22926152 |
| IfcWallStandardCase | 33791 | 5472550 |
| IfcWasteTerminal | 198 | 7134 |
| IfcWindowFinestre | 146608 | 7582217 |
| IfcWorkCalendar | 5 | 7 |
| IfcWorkPlan | 6 | 6 |
| IfcWorkSchedule | 5 | 5 |
| IfcZone | 96215 | 827249 |