| IfcActor | 68 | 147 |
| IfcActuator | 3 | 86 |
| IfcAirTerminalTerminali ad aria | 24210 | 985100 |
| IfcAirTerminalBox | 1553 | 85433 |
| IfcAirToAirHeatRecoveryRecuperatori di calore aria-aria | 4666 | 64251 |
| IfcAlarmSistemi di allarme | 465 | 9320 |
| IfcAnnotation | 108696 | 2677421 |
| IfcAudioVisualAppliance | 682 | 15183 |
| IfcBeamTravi | 70510 | 21539832 |
| IfcBeamStandardCase | 8 | 3955 |
| IfcBoilerCaldaie | 424 | 1569 |
| IfcBuilding | 301669 | 314235 |
| IfcBuildingElementElementi costruttivi | 1 | 1 |
| IfcBuildingElementComponent | 1 | 6 |
| IfcBuildingElementPart | 1846 | 2303057 |
| IfcBuildingElementProxyElementi generici | 51478 | 36161528 |
| IfcBuildingStorey | 290535 | 1194616 |
| IfcBurner | 3 | 19 |
| IfcCableCarrierFitting | 218 | 56229 |
| IfcCableCarrierSegmentCanalizzazioni | 619 | 234873 |
| IfcCableFitting | 10 | 811 |
| IfcCableSegmentCavi | 104 | 6298 |
| IfcChiller | 5 | 9 |
| IfcChimney | 72 | 832 |
| IfcCivilElement | 40 | 248 |
| IfcCoil | 267 | 4028 |
| IfcColumnPilastri | 80750 | 7782755 |
| IfcColumnStandardCase | 7 | 799 |
| IfcCommunicationsApplianceDispositivi di telecomunicazione | 25 | 165 |
| IfcCompressor | 5 | 9 |
| IfcCondenser | 6 | 36 |
| IfcConstructionEquipmentResource | 3 | 88 |
| IfcController | 25 | 40 |
| IfcCoolingTower | 4 | 5 |
| IfcCostItem | 4 | 28 |
| IfcCostSchedule | 6 | 9 |
| IfcCoveringRivestimenti | 10312 | 2358223 |
| IfcCrewResource | 4 | 7 |
| IfcCurtainWallMuri di taglio | 7035 | 928533 |
| IfcDamperDampers | 87 | 2395 |
| IfcDiscreteAccessoryDiscrete accessories | 1842 | 407823 |
| IfcDistributionChamberElementPozzetti | 2931 | 57677 |
| IfcDistributionCircuit | 6 | 133 |
| IfcDistributionControlElement | 286 | 13257 |
| IfcDistributionElementElementi di distribuzione di flusso | 4453 | 66754 |
| IfcDistributionFlowElement | 635 | 19711 |
| IfcDistributionPort | 9120 | 12973252 |
| IfcDistributionSystem | 2009 | 101138 |
| IfcDoorPorte | 111120 | 4630404 |
| IfcDuctFittingDistribuzione | 13964 | 1743195 |
| IfcDuctSegmentCanali | 25356 | 2620178 |
| IfcDuctSilencer | 113 | 852 |
| IfcElectricalCircuit | 0 | 0 |
| IfcElectricApplianceElectrical appliances | 3926 | 99231 |
| IfcElectricDistributionBoardQuadri elettrici | 1893 | 24097 |
| IfcElectricDistributionPoint | 72 | 1387 |
| IfcElectricFlowStorageDevice | 246 | 1919 |
| IfcElectricGeneratorGeneratori elettrici | 1 | 8 |
| IfcElectricMotorMotori elettrici | 14 | 95 |
| IfcElement | 1 | 88 |
| IfcElementAssembly | 22262 | 13219344 |
| IfcEnergyConversionDeviceConvertitori di energia | 11703 | 71441 |
| IfcEvaporator | 10 | 223 |
| IfcExternalSpatialElement | 287958 | 460315 |
| IfcFanVentilatori | 1478 | 5607 |
| IfcFastener | 1113 | 2364973 |
| IfcFilter | 57 | 529 |
| IfcFireSuppressionTerminal | 1189 | 197616 |
| IfcFlowController | 1175 | 127397 |
| IfcFlowFittingUnioni e transizioni di flusso | 1736 | 1513735 |
| IfcFlowInstrument | 6 | 11 |
| IfcFlowMeterContatori | 2866 | 6129 |
| IfcFlowMovingDeviceDispositivi di flusso | 231 | 12355 |
| IfcFlowSegment | 2669 | 1770124 |
| IfcFlowStorageDevice | 107 | 398 |
| IfcFlowTerminalTerminali di flusso | 7369 | 1006100 |
| IfcFlowTreatmentDevice | 45 | 605 |
| IfcFootingFondazioni | 25989 | 853988 |
| IfcFurnishingElement | 4728 | 1065742 |
| IfcFurnitureArredamento | 7761 | 1577865 |
| IfcGeographicElement | 4368 | 56042 |
| IfcGrid | 6770 | 68585 |
| IfcGroup | 6220 | 438890 |
| IfcHeatExchangerScambiatori di calore | 2952 | 17929 |
| IfcInterceptor | 15 | 26 |
| IfcJunctionBoxCassette di connessione | 870 | 27254 |
| IfcLaborResource | 4 | 358 |
| IfcLampLamapade | 15 | 1998 |
| IfcLightFixtureApparecchi illuminanti | 2130 | 279728 |
| IfcMechanicalFastener | 1529 | 2580087 |
| IfcMedicalDevice | 3 | 34 |
| IfcMemberAltre aste della struttura | 39967 | 15200738 |
| IfcMemberStandardCase | 2 | 2092 |
| IfcOccupant | 38 | 259 |
| IfcOpeningElementAperture | 147359 | 16545176 |
| IfcOpeningStandardCase | 11 | 1100 |
| IfcOutletPrese | 1530 | 182326 |
| IfcPilePali | 1739 | 108430 |
| IfcPipeFittingPipe fittings | 11982 | 759401 |
| IfcPipeSegmentTubi | 34686 | 10599187 |
| IfcPlateLamiere | 7781 | 3327550 |
| IfcProject | 14762 | 14764 |
| IfcProjectionElement | 3 | 448 |
| IfcProtectiveDevice | 55 | 2056 |
| IfcProxy | 42 | 9157 |
| IfcPumpGruppi di pressione | 12533 | 29408 |
| IfcRailingParapetti | 12380 | 474016 |
| IfcRamp | 2529 | 6946 |
| IfcRampFlightRampe | 1787 | 4890 |
| IfcReinforcingBarBarre di armatura | 9660 | 72203431 |
| IfcReinforcingMesh | 25 | 6969 |
| IfcRoofCoperture | 116050 | 934428 |
| IfcSanitaryTerminalApparecchi sanitari | 7226 | 508052 |
| IfcSensorSensori | 485 | 10804 |
| IfcShadingDeviceEdifici vicini e altri ostacoli | 92740 | 6165921 |
| IfcSiteAmbiente | 315194 | 340883 |
| IfcSlabSolai | 173182 | 6096004 |
| IfcSlabStandardCase | 4 | 1721 |
| IfcSolarDeviceDispositivi solari | 4788 | 68134 |
| IfcSpaceLocali | 130702 | 7143999 |
| IfcSpaceHeaterCorpi scaldanti | 3255 | 57648 |
| IfcSpatialZone | 547 | 20805 |
| IfcStackTerminal | 16 | 271 |
| IfcStair | 20214 | 149910 |
| IfcStairFlightScale | 10966 | 123111 |
| IfcStructuralAction | 1 | 9 |
| IfcStructuralAnalysisModel | 48 | 48 |
| IfcStructuralCurveAction | 2 | 54 |
| IfcStructuralCurveConnection | 6 | 2746 |
| IfcStructuralCurveMember | 46 | 16462 |
| IfcStructuralLinearAction | 13 | 4796 |
| IfcStructuralLinearActionVarying | 6 | 747 |
| IfcStructuralLoadCase | 10 | 52 |
| IfcStructuralLoadGroup | 21 | 1218 |
| IfcStructuralMember | 1 | 1 |
| IfcStructuralPlanarAction | 7 | 3822 |
| IfcStructuralPointAction | 11 | 238 |
| IfcStructuralPointConnection | 76 | 26485 |
| IfcStructuralPointReaction | 11 | 25481 |
| IfcStructuralResultGroup | 11 | 19 |
| IfcStructuralSurfaceConnection | 4 | 263 |
| IfcStructuralSurfaceMember | 25 | 7011 |
| IfcSubContractResource | 1 | 1 |
| IfcSurfaceFeature | 6 | 647 |
| IfcSwitchingDeviceInterruttori | 1138 | 47204 |
| IfcSystem | 1510 | 205208 |
| IfcSystemFurnitureElement | 734 | 45171 |
| IfcTankDespositi | 6360 | 13106 |
| IfcTask | 6 | 299 |
| IfcTendonCavi post-tesi | 114 | 20829 |
| IfcTendonAnchor | 1 | 93 |
| IfcTransformerTrasformatori | 823 | 1233 |
| IfcTransportElementElementi di trasporto | 1708 | 9541 |
| IfcUnitaryControlElementUnitary control elements | 12 | 51 |
| IfcUnitaryEquipment | 3386 | 106433 |
| IfcValveValvole | 3643 | 164040 |
| IfcVibrationIsolator | 1 | 8 |
| IfcVirtualElement | 121159 | 133872 |
| IfcVoidingFeature | 19 | 17003 |
| IfcWallMuri | 138566 | 19044778 |
| IfcWallStandardCase | 28768 | 4740348 |
| IfcWasteTerminal | 126 | 3319 |
| IfcWindowFinestre | 125310 | 6495695 |
| IfcWorkCalendar | 5 | 7 |
| IfcWorkPlan | 6 | 6 |
| IfcWorkSchedule | 5 | 5 |
| IfcZone | 81866 | 700859 |