| IfcActor | 69 | 147 |
| IfcActuator | 4 | 87 |
| IfcAirTerminalTerminali ad aria | 26387 | 1078220 |
| IfcAirTerminalBox | 1739 | 98950 |
| IfcAirToAirHeatRecoveryRecuperatori di calore aria-aria | 5110 | 70995 |
| IfcAlarmSistemi di allarme | 508 | 10098 |
| IfcAnnotation | 117650 | 2970837 |
| IfcAudioVisualAppliance | 724 | 15935 |
| IfcBeamTravi | 79137 | 24526982 |
| IfcBeamStandardCase | 9 | 3994 |
| IfcBoilerCaldaie | 451 | 1736 |
| IfcBuilding | 329776 | 343482 |
| IfcBuildingElementElementi costruttivi | 1 | 1 |
| IfcBuildingElementComponent | 1 | 6 |
| IfcBuildingElementPart | 1961 | 2466149 |
| IfcBuildingElementProxyElementi generici | 56174 | 40262788 |
| IfcBuildingStorey | 318291 | 1307172 |
| IfcBurner | 4 | 20 |
| IfcCableCarrierFitting | 241 | 57323 |
| IfcCableCarrierSegmentCanalizzazioni | 704 | 242446 |
| IfcCableFitting | 14 | 824 |
| IfcCableSegmentCavi | 134 | 9559 |
| IfcChiller | 8 | 14 |
| IfcChimney | 73 | 870 |
| IfcCivilElement | 60 | 514 |
| IfcCoil | 273 | 4567 |
| IfcColumnPilastri | 90187 | 8789068 |
| IfcColumnStandardCase | 8 | 811 |
| IfcCommunicationsApplianceDispositivi di telecomunicazione | 34 | 179 |
| IfcCompressor | 5 | 9 |
| IfcCondenser | 6 | 36 |
| IfcConstructionEquipmentResource | 3 | 88 |
| IfcController | 26 | 44 |
| IfcCoolingTower | 17 | 99 |
| IfcCostItem | 4 | 28 |
| IfcCostSchedule | 6 | 9 |
| IfcCoveringRivestimenti | 11595 | 2847233 |
| IfcCrewResource | 4 | 7 |
| IfcCurtainWallMuri di taglio | 7797 | 1053146 |
| IfcDamperDampers | 115 | 6718 |
| IfcDiscreteAccessoryDiscrete accessories | 1956 | 424891 |
| IfcDistributionChamberElementPozzetti | 3153 | 61857 |
| IfcDistributionCircuit | 6 | 133 |
| IfcDistributionControlElement | 335 | 15819 |
| IfcDistributionElementElementi di distribuzione di flusso | 4834 | 73906 |
| IfcDistributionFlowElement | 692 | 21687 |
| IfcDistributionPort | 10215 | 14406703 |
| IfcDistributionSystem | 2366 | 111033 |
| IfcDoorPorte | 120789 | 5105711 |
| IfcDuctFittingDistribuzione | 15166 | 1917919 |
| IfcDuctSegmentCanali | 27598 | 2896060 |
| IfcDuctSilencer | 136 | 2222 |
| IfcElectricalCircuit | 0 | 0 |
| IfcElectricApplianceElectrical appliances | 4224 | 105083 |
| IfcElectricDistributionBoardQuadri elettrici | 2080 | 27169 |
| IfcElectricDistributionPoint | 71 | 1368 |
| IfcElectricFlowStorageDevice | 271 | 2115 |
| IfcElectricGeneratorGeneratori elettrici | 0 | 0 |
| IfcElectricMotorMotori elettrici | 16 | 810 |
| IfcElement | 1 | 88 |
| IfcElementAssembly | 24677 | 15000218 |
| IfcEnergyConversionDeviceConvertitori di energia | 12842 | 78266 |
| IfcEvaporator | 10 | 223 |
| IfcExternalSpatialElement | 314226 | 503845 |
| IfcFanVentilatori | 1595 | 6195 |
| IfcFastener | 1255 | 2490323 |
| IfcFilter | 61 | 574 |
| IfcFireSuppressionTerminal | 1313 | 233521 |
| IfcFlowController | 1312 | 120024 |
| IfcFlowFittingUnioni e transizioni di flusso | 1951 | 1588123 |
| IfcFlowInstrument | 5 | 10 |
| IfcFlowMeterContatori | 3118 | 6582 |
| IfcFlowMovingDeviceDispositivi di flusso | 268 | 12324 |
| IfcFlowSegment | 3017 | 1920992 |
| IfcFlowStorageDevice | 137 | 526 |
| IfcFlowTerminalTerminali di flusso | 8188 | 1112866 |
| IfcFlowTreatmentDevice | 46 | 516 |
| IfcFootingFondazioni | 28180 | 923632 |
| IfcFurnishingElement | 5159 | 1141540 |
| IfcFurnitureArredamento | 8508 | 1720458 |
| IfcGeographicElement | 4754 | 61220 |
| IfcGrid | 7469 | 74948 |
| IfcGroup | 6829 | 482023 |
| IfcHeatExchangerScambiatori di calore | 3230 | 20128 |
| IfcInterceptor | 20 | 67 |
| IfcJunctionBoxCassette di connessione | 962 | 33933 |
| IfcLaborResource | 4 | 358 |
| IfcLampLamapade | 16 | 2109 |
| IfcLightFixtureApparecchi illuminanti | 2308 | 358306 |
| IfcMechanicalFastener | 1715 | 2777887 |
| IfcMedicalDevice | 4 | 44 |
| IfcMemberAltre aste della struttura | 42623 | 16418174 |
| IfcMemberStandardCase | 3 | 2094 |
| IfcOccupant | 42 | 216 |
| IfcOpeningElementAperture | 159902 | 18175750 |
| IfcOpeningStandardCase | 11 | 1100 |
| IfcOutletPrese | 1646 | 200223 |
| IfcPilePali | 1928 | 121833 |
| IfcPipeFittingPipe fittings | 12975 | 806900 |
| IfcPipeSegmentTubi | 37696 | 11653817 |
| IfcPlateLamiere | 8676 | 3779622 |
| IfcProject | 16405 | 16407 |
| IfcProjectionElement | 4 | 544 |
| IfcProtectiveDevice | 64 | 3763 |
| IfcProxy | 46 | 24952 |
| IfcPumpGruppi di pressione | 13711 | 32026 |
| IfcRailingParapetti | 13622 | 524749 |
| IfcRamp | 2804 | 7907 |
| IfcRampFlightRampe | 2003 | 5457 |
| IfcReinforcingBarBarre di armatura | 10754 | 82758035 |
| IfcReinforcingMesh | 33 | 7197 |
| IfcRoofCoperture | 126042 | 1009974 |
| IfcSanitaryTerminalApparecchi sanitari | 7856 | 575778 |
| IfcSensorSensori | 538 | 12760 |
| IfcShadingDeviceEdifici vicini e altri ostacoli | 100314 | 6768810 |
| IfcSiteAmbiente | 344600 | 373433 |
| IfcSlabSolai | 188008 | 6778410 |
| IfcSlabStandardCase | 4 | 1721 |
| IfcSolarDeviceDispositivi solari | 5158 | 72958 |
| IfcSpaceLocali | 141681 | 7883054 |
| IfcSpaceHeaterCorpi scaldanti | 3559 | 61674 |
| IfcSpatialZone | 587 | 22177 |
| IfcStackTerminal | 25 | 583 |
| IfcStair | 22264 | 167230 |
| IfcStairFlightScale | 12251 | 142045 |
| IfcStructuralAction | 1 | 9 |
| IfcStructuralAnalysisModel | 52 | 52 |
| IfcStructuralCurveAction | 4 | 192 |
| IfcStructuralCurveConnection | 6 | 2746 |
| IfcStructuralCurveMember | 51 | 19811 |
| IfcStructuralLinearAction | 16 | 5602 |
| IfcStructuralLinearActionVarying | 6 | 747 |
| IfcStructuralLoadCase | 12 | 70 |
| IfcStructuralLoadGroup | 23 | 1275 |
| IfcStructuralMember | 1 | 1 |
| IfcStructuralPlanarAction | 9 | 4686 |
| IfcStructuralPointAction | 13 | 254 |
| IfcStructuralPointConnection | 81 | 32336 |
| IfcStructuralPointReaction | 11 | 25481 |
| IfcStructuralResultGroup | 11 | 19 |
| IfcStructuralSurfaceConnection | 4 | 263 |
| IfcStructuralSurfaceMember | 28 | 7071 |
| IfcSubContractResource | 1 | 1 |
| IfcSurfaceFeature | 6 | 647 |
| IfcSwitchingDeviceInterruttori | 1226 | 52473 |
| IfcSystem | 1635 | 213291 |
| IfcSystemFurnitureElement | 825 | 51216 |
| IfcTankDespositi | 6931 | 14502 |
| IfcTask | 6 | 299 |
| IfcTendonCavi post-tesi | 153 | 21257 |
| IfcTendonAnchor | 1 | 93 |
| IfcTransformerTrasformatori | 878 | 1322 |
| IfcTransportElementElementi di trasporto | 1922 | 13945 |
| IfcUnitaryControlElementUnitary control elements | 13 | 53 |
| IfcUnitaryEquipment | 3673 | 115665 |
| IfcValveValvole | 3986 | 188152 |
| IfcVibrationIsolator | 1 | 8 |
| IfcVirtualElement | 131118 | 145768 |
| IfcVoidingFeature | 23 | 20761 |
| IfcWallMuri | 150536 | 21206202 |
| IfcWallStandardCase | 31388 | 5110802 |
| IfcWasteTerminal | 143 | 3974 |
| IfcWindowFinestre | 136073 | 7047623 |
| IfcWorkCalendar | 5 | 7 |
| IfcWorkPlan | 6 | 6 |
| IfcWorkSchedule | 5 | 5 |
| IfcZone | 88914 | 765211 |