| IfcActor | 80 | 171 |
| IfcActuator | 7 | 239 |
| IfcAirTerminalTerminali ad aria | 31320 | 1259778 |
| IfcAirTerminalBox | 2124 | 120591 |
| IfcAirToAirHeatRecoveryRecuperatori di calore aria-aria | 6191 | 87841 |
| IfcAlarmSistemi di allarme | 591 | 11967 |
| IfcAnnotation | 135159 | 3463170 |
| IfcAudioVisualAppliance | 838 | 18875 |
| IfcBeamTravi | 97468 | 31111851 |
| IfcBeamStandardCase | 11 | 5415 |
| IfcBoilerCaldaie | 502 | 1720 |
| IfcBuilding | 387229 | 404076 |
| IfcBuildingElementElementi costruttivi | 1 | 1 |
| IfcBuildingElementComponent | 1 | 6 |
| IfcBuildingElementPart | 2384 | 3097115 |
| IfcBuildingElementProxyElementi generici | 65472 | 47341774 |
| IfcBuildingStorey | 374902 | 1542814 |
| IfcBuildingSystem | 1 | 7 |
| IfcBurner | 5 | 22 |
| IfcCableCarrierFitting | 305 | 70396 |
| IfcCableCarrierSegmentCanalizzazioni | 848 | 286606 |
| IfcCableFitting | 13 | 864 |
| IfcCableSegmentCavi | 157 | 10806 |
| IfcChiller | 8 | 14 |
| IfcChimney | 148 | 1032 |
| IfcCivilElement | 46 | 572 |
| IfcCoil | 292 | 7799 |
| IfcColumnPilastri | 110053 | 10832540 |
| IfcColumnStandardCase | 9 | 821 |
| IfcCommunicationsApplianceDispositivi di telecomunicazione | 70 | 303 |
| IfcCompressor | 5 | 9 |
| IfcCondenser | 8 | 65 |
| IfcConstructionEquipmentResource | 3 | 88 |
| IfcController | 31 | 110 |
| IfcCoolingTowerCooling Tower | 54 | 303 |
| IfcCostItem | 4 | 28 |
| IfcCostSchedule | 6 | 9 |
| IfcCoveringRivestimenti | 14269 | 3387764 |
| IfcCrewResource | 4 | 7 |
| IfcCurtainWallMuri di taglio | 9202 | 1236494 |
| IfcDamperDampers | 188 | 9483 |
| IfcDiscreteAccessoryDiscrete accessories | 2281 | 488036 |
| IfcDistributionChamberElementPozzetti | 3689 | 72519 |
| IfcDistributionCircuit | 6 | 133 |
| IfcDistributionControlElement | 370 | 22539 |
| IfcDistributionElementElementi di distribuzione di flusso | 5590 | 84061 |
| IfcDistributionFlowElement | 913 | 36374 |
| IfcDistributionPort | 12627 | 17828479 |
| IfcDistributionSystem | 3253 | 131070 |
| IfcDoorPorte | 140394 | 6014452 |
| IfcDuctFittingDistribuzione | 17848 | 2293625 |
| IfcDuctSegmentCanali | 32611 | 3434726 |
| IfcDuctSilencer | 197 | 2649 |
| IfcElectricalCircuit | 0 | 0 |
| IfcElectricApplianceElectrical appliances | 4913 | 115772 |
| IfcElectricDistributionBoardQuadri elettrici | 2372 | 32571 |
| IfcElectricDistributionPoint | 115 | 1467 |
| IfcElectricFlowStorageDevice | 309 | 2476 |
| IfcElectricGeneratorGeneratori elettrici | 0 | 0 |
| IfcElectricMotorMotori elettrici | 14 | 95 |
| IfcElement | 1 | 88 |
| IfcElementAssembly | 29535 | 18033190 |
| IfcEnergyConversionDeviceConvertitori di energia | 15056 | 91105 |
| IfcEvaporator | 15 | 283 |
| IfcExternalSpatialElement | 368603 | 588805 |
| IfcFanVentilatori | 1828 | 7055 |
| IfcFastener | 1589 | 2774935 |
| IfcFilter | 78 | 974 |
| IfcFireSuppressionTerminal | 1583 | 397920 |
| IfcFlowController | 1513 | 173759 |
| IfcFlowFittingUnioni e transizioni di flusso | 2283 | 2000600 |
| IfcFlowInstrument | 5 | 10 |
| IfcFlowMeterContatori | 3638 | 7685 |
| IfcFlowMovingDeviceDispositivi di flusso | 328 | 15667 |
| IfcFlowSegment | 3607 | 2324957 |
| IfcFlowStorageDevice | 169 | 785 |
| IfcFlowTerminalTerminali di flusso | 9802 | 1328144 |
| IfcFlowTreatmentDevice | 54 | 692 |
| IfcFootingFondazioni | 32523 | 1074490 |
| IfcFurnishingElement | 6254 | 1344093 |
| IfcFurnitureArredamento | 10077 | 2074008 |
| IfcGeographicElement | 5732 | 73176 |
| IfcGrid | 8563 | 92029 |
| IfcGroup | 7951 | 583922 |
| IfcHeatExchangerScambiatori di calore | 3834 | 23203 |
| IfcInterceptor | 29 | 160 |
| IfcJunctionBoxCassette di connessione | 1102 | 44274 |
| IfcLaborResource | 4 | 358 |
| IfcLampLamapade | 17 | 2091 |
| IfcLightFixtureApparecchi illuminanti | 2860 | 516320 |
| IfcMechanicalFastener | 2131 | 3203951 |
| IfcMedicalDevice | 4 | 44 |
| IfcMemberAltre aste della struttura | 47815 | 18612363 |
| IfcMemberStandardCase | 4 | 2154 |
| IfcOccupant | 43 | 227 |
| IfcOpeningElementAperture | 185772 | 21475217 |
| IfcOpeningStandardCase | 11 | 1100 |
| IfcOutletPrese | 1888 | 237160 |
| IfcPilePali | 2298 | 150734 |
| IfcPipeFittingPipe fittings | 15139 | 904710 |
| IfcPipeSegmentTubi | 43706 | 13558333 |
| IfcPlateLamiere | 10309 | 4470203 |
| IfcProject | 19876 | 19878 |
| IfcProjectionElement | 4 | 544 |
| IfcProtectiveDevice | 105 | 7764 |
| IfcProxy | 44 | 15073 |
| IfcPumpGruppi di pressione | 15760 | 36410 |
| IfcRailingParapetti | 15820 | 612957 |
| IfcRamp | 3168 | 9399 |
| IfcRampFlightRampe | 2265 | 6159 |
| IfcReinforcingBarBarre di armatura | 13233 | 102680090 |
| IfcReinforcingMesh | 33 | 7109 |
| IfcRoofCoperture | 146017 | 1169129 |
| IfcSanitaryTerminalApparecchi sanitari | 9110 | 679689 |
| IfcScheduleTimeControl | 1 | 780 |
| IfcSensorSensori | 652 | 15563 |
| IfcShadingDeviceEdifici vicini e altri ostacoli | 115742 | 7922304 |
| IfcSiteAmbiente | 404865 | 436843 |
| IfcSlabSolai | 218254 | 8627384 |
| IfcSlabStandardCase | 4 | 1721 |
| IfcSolarDeviceDispositivi solari | 5738 | 88721 |
| IfcSpaceLocali | 164135 | 9259268 |
| IfcSpaceHeaterCorpi scaldanti | 4135 | 69583 |
| IfcSpatialZone | 663 | 26413 |
| IfcStackTerminal | 38 | 539 |
| IfcStair | 26196 | 199213 |
| IfcStairFlightScale | 14244 | 172290 |
| IfcStructuralAction | 1 | 9 |
| IfcStructuralAnalysisModel | 64 | 64 |
| IfcStructuralCurveAction | 4 | 192 |
| IfcStructuralCurveConnection | 8 | 2762 |
| IfcStructuralCurveMember | 66 | 21916 |
| IfcStructuralLinearAction | 17 | 5635 |
| IfcStructuralLinearActionVarying | 6 | 747 |
| IfcStructuralLoadCase | 14 | 89 |
| IfcStructuralLoadGroup | 29 | 1761 |
| IfcStructuralMember | 1 | 1 |
| IfcStructuralPlanarAction | 15 | 6778 |
| IfcStructuralPointAction | 13 | 254 |
| IfcStructuralPointConnection | 94 | 42887 |
| IfcStructuralPointReaction | 13 | 44758 |
| IfcStructuralResultGroup | 13 | 21 |
| IfcStructuralSurfaceConnection | 4 | 263 |
| IfcStructuralSurfaceMember | 32 | 13544 |
| IfcSubContractResource | 1 | 1 |
| IfcSurfaceFeature | 7 | 712 |
| IfcSwitchingDeviceInterruttori | 1408 | 59944 |
| IfcSystem | 1940 | 262774 |
| IfcSystemFurnitureElement | 958 | 58816 |
| IfcTankDespositi | 7767 | 16282 |
| IfcTask | 7 | 1079 |
| IfcTendonCavi post-tesi | 165 | 22245 |
| IfcTendonAnchor | 1 | 93 |
| IfcTransformerTrasformatori | 984 | 1480 |
| IfcTransportElementElementi di trasporto | 2248 | 18728 |
| IfcUnitaryControlElementUnitary control elements | 15 | 212 |
| IfcUnitaryEquipment | 4256 | 127791 |
| IfcValveValvole | 4680 | 216347 |
| IfcVibrationIsolator | 1 | 8 |
| IfcVirtualElement | 151541 | 164854 |
| IfcVoidingFeature | 24 | 18830 |
| IfcWallMuri | 174616 | 25119176 |
| IfcWallStandardCase | 36710 | 6297277 |
| IfcWasteTerminal | 209 | 18127 |
| IfcWindowFinestre | 157844 | 8177195 |
| IfcWorkCalendar | 5 | 7 |
| IfcWorkPlan | 7 | 7 |
| IfcWorkSchedule | 6 | 6 |
| IfcZone | 103823 | 892776 |