| IfcActor | 68 | 147 |
| IfcActuator | 3 | 86 |
| IfcAirTerminalTerminali ad aria | 24560 | 998157 |
| IfcAirTerminalBox | 1585 | 86971 |
| IfcAirToAirHeatRecoveryRecuperatori di calore aria-aria | 4744 | 65131 |
| IfcAlarmSistemi di allarme | 471 | 9486 |
| IfcAnnotation | 110138 | 2710642 |
| IfcAudioVisualAppliance | 685 | 15246 |
| IfcBeamTravi | 71833 | 21969993 |
| IfcBeamStandardCase | 8 | 3955 |
| IfcBoilerCaldaie | 432 | 1588 |
| IfcBuilding | 306244 | 318982 |
| IfcBuildingElementElementi costruttivi | 1 | 1 |
| IfcBuildingElementComponent | 1 | 6 |
| IfcBuildingElementPart | 1846 | 2311469 |
| IfcBuildingElementProxyElementi generici | 52235 | 36743052 |
| IfcBuildingStorey | 295038 | 1212862 |
| IfcBurner | 3 | 19 |
| IfcCableCarrierFitting | 221 | 56250 |
| IfcCableCarrierSegmentCanalizzazioni | 642 | 244448 |
| IfcCableFitting | 10 | 811 |
| IfcCableSegmentCavi | 106 | 7027 |
| IfcChiller | 5 | 9 |
| IfcChimney | 72 | 832 |
| IfcCivilElement | 41 | 249 |
| IfcCoil | 267 | 4028 |
| IfcColumnPilastri | 82220 | 7912348 |
| IfcColumnStandardCase | 7 | 799 |
| IfcCommunicationsApplianceDispositivi di telecomunicazione | 27 | 169 |
| IfcCompressor | 5 | 9 |
| IfcCondenser | 6 | 36 |
| IfcConstructionEquipmentResource | 3 | 88 |
| IfcController | 26 | 44 |
| IfcCoolingTower | 4 | 5 |
| IfcCostItem | 4 | 28 |
| IfcCostSchedule | 6 | 9 |
| IfcCoveringRivestimenti | 10502 | 2380463 |
| IfcCrewResource | 4 | 7 |
| IfcCurtainWallMuri di taglio | 7145 | 950496 |
| IfcDamperDampers | 90 | 2942 |
| IfcDiscreteAccessoryDiscrete accessories | 1855 | 408201 |
| IfcDistributionChamberElementPozzetti | 2971 | 58549 |
| IfcDistributionCircuit | 6 | 133 |
| IfcDistributionControlElement | 289 | 13274 |
| IfcDistributionElementElementi di distribuzione di flusso | 4523 | 68727 |
| IfcDistributionFlowElement | 637 | 19662 |
| IfcDistributionPort | 9355 | 13197065 |
| IfcDistributionSystem | 2069 | 103097 |
| IfcDoorPorte | 112687 | 4713068 |
| IfcDuctFittingDistribuzione | 14159 | 1768226 |
| IfcDuctSegmentCanali | 25718 | 2665583 |
| IfcDuctSilencer | 117 | 969 |
| IfcElectricalCircuit | 0 | 0 |
| IfcElectricApplianceElectrical appliances | 3972 | 100083 |
| IfcElectricDistributionBoardQuadri elettrici | 1933 | 24627 |
| IfcElectricDistributionPoint | 74 | 1392 |
| IfcElectricFlowStorageDevice | 246 | 1919 |
| IfcElectricGeneratorGeneratori elettrici | 1 | 8 |
| IfcElectricMotorMotori elettrici | 14 | 95 |
| IfcElement | 1 | 88 |
| IfcElementAssembly | 22642 | 13433630 |
| IfcEnergyConversionDeviceConvertitori di energia | 11880 | 72635 |
| IfcEvaporator | 10 | 223 |
| IfcExternalSpatialElement | 292138 | 466580 |
| IfcFanVentilatori | 1502 | 5758 |
| IfcFastener | 1134 | 2410974 |
| IfcFilter | 58 | 533 |
| IfcFireSuppressionTerminal | 1200 | 199344 |
| IfcFlowController | 1228 | 128633 |
| IfcFlowFittingUnioni e transizioni di flusso | 1842 | 1534371 |
| IfcFlowInstrument | 6 | 11 |
| IfcFlowMeterContatori | 2898 | 6179 |
| IfcFlowMovingDeviceDispositivi di flusso | 238 | 12389 |
| IfcFlowSegment | 2822 | 1790831 |
| IfcFlowStorageDevice | 112 | 409 |
| IfcFlowTerminalTerminali di flusso | 7542 | 1026218 |
| IfcFlowTreatmentDevice | 44 | 596 |
| IfcFootingFondazioni | 26297 | 862946 |
| IfcFurnishingElement | 4783 | 1075259 |
| IfcFurnitureArredamento | 7874 | 1592878 |
| IfcGeographicElement | 4435 | 57929 |
| IfcGrid | 6893 | 69729 |
| IfcGroup | 6306 | 445575 |
| IfcHeatExchangerScambiatori di calore | 2983 | 18179 |
| IfcInterceptor | 16 | 27 |
| IfcJunctionBoxCassette di connessione | 895 | 28174 |
| IfcLaborResource | 4 | 358 |
| IfcLampLamapade | 15 | 1998 |
| IfcLightFixtureApparecchi illuminanti | 2158 | 299657 |
| IfcMechanicalFastener | 1574 | 2622171 |
| IfcMedicalDevice | 3 | 34 |
| IfcMemberAltre aste della struttura | 40392 | 15358551 |
| IfcMemberStandardCase | 2 | 2092 |
| IfcOccupant | 38 | 259 |
| IfcOpeningElementAperture | 149373 | 16855895 |
| IfcOpeningStandardCase | 11 | 1100 |
| IfcOutletPrese | 1558 | 184810 |
| IfcPilePali | 1765 | 110762 |
| IfcPipeFittingPipe fittings | 12142 | 764492 |
| IfcPipeSegmentTubi | 35134 | 10777653 |
| IfcPlateLamiere | 7927 | 3419707 |
| IfcProject | 15114 | 15116 |
| IfcProjectionElement | 3 | 448 |
| IfcProtectiveDevice | 58 | 2234 |
| IfcProxy | 43 | 9193 |
| IfcPumpGruppi di pressione | 12703 | 29974 |
| IfcRailingParapetti | 12599 | 481662 |
| IfcRamp | 2572 | 7111 |
| IfcRampFlightRampe | 1823 | 4978 |
| IfcReinforcingBarBarre di armatura | 9788 | 73503422 |
| IfcReinforcingMesh | 25 | 6969 |
| IfcRoofCoperture | 117683 | 947754 |
| IfcSanitaryTerminalApparecchi sanitari | 7326 | 518874 |
| IfcSensorSensori | 494 | 11303 |
| IfcShadingDeviceEdifici vicini e altri ostacoli | 93916 | 6244693 |
| IfcSiteAmbiente | 319948 | 345833 |
| IfcSlabSolai | 175573 | 6193650 |
| IfcSlabStandardCase | 4 | 1721 |
| IfcSolarDeviceDispositivi solari | 4857 | 69214 |
| IfcSpaceLocali | 132433 | 7282548 |
| IfcSpaceHeaterCorpi scaldanti | 3312 | 58403 |
| IfcSpatialZone | 549 | 20860 |
| IfcStackTerminal | 19 | 373 |
| IfcStair | 20548 | 152601 |
| IfcStairFlightScale | 11203 | 126404 |
| IfcStructuralAction | 1 | 9 |
| IfcStructuralAnalysisModel | 48 | 48 |
| IfcStructuralCurveAction | 2 | 54 |
| IfcStructuralCurveConnection | 6 | 2746 |
| IfcStructuralCurveMember | 46 | 16462 |
| IfcStructuralLinearAction | 14 | 5138 |
| IfcStructuralLinearActionVarying | 6 | 747 |
| IfcStructuralLoadCase | 10 | 52 |
| IfcStructuralLoadGroup | 21 | 1218 |
| IfcStructuralMember | 1 | 1 |
| IfcStructuralPlanarAction | 8 | 4254 |
| IfcStructuralPointAction | 12 | 246 |
| IfcStructuralPointConnection | 76 | 26485 |
| IfcStructuralPointReaction | 11 | 25481 |
| IfcStructuralResultGroup | 11 | 19 |
| IfcStructuralSurfaceConnection | 4 | 263 |
| IfcStructuralSurfaceMember | 25 | 7011 |
| IfcSubContractResource | 1 | 1 |
| IfcSurfaceFeature | 6 | 647 |
| IfcSwitchingDeviceInterruttori | 1162 | 47893 |
| IfcSystem | 1558 | 206873 |
| IfcSystemFurnitureElement | 745 | 45400 |
| IfcTankDespositi | 6455 | 13316 |
| IfcTask | 6 | 299 |
| IfcTendonCavi post-tesi | 114 | 20829 |
| IfcTendonAnchor | 1 | 93 |
| IfcTransformerTrasformatori | 831 | 1257 |
| IfcTransportElementElementi di trasporto | 1729 | 9842 |
| IfcUnitaryControlElementUnitary control elements | 13 | 53 |
| IfcUnitaryEquipment | 3421 | 107566 |
| IfcValveValvole | 3684 | 167684 |
| IfcVibrationIsolator | 1 | 8 |
| IfcVirtualElement | 122756 | 135481 |
| IfcVoidingFeature | 19 | 17003 |
| IfcWallMuri | 140504 | 19382534 |
| IfcWallStandardCase | 29201 | 4789511 |
| IfcWasteTerminal | 131 | 3387 |
| IfcWindowFinestre | 127066 | 6589996 |
| IfcWorkCalendar | 5 | 7 |
| IfcWorkPlan | 6 | 6 |
| IfcWorkSchedule | 5 | 5 |
| IfcZone | 82959 | 710659 |