| IfcActor | 71 | 154 |
| IfcActuator | 3 | 86 |
| IfcAirTerminalTerminali ad aria | 22736 | 929035 |
| IfcAirTerminalBox | 1462 | 79404 |
| IfcAirToAirHeatRecoveryRecuperatori di calore aria-aria | 4414 | 60648 |
| IfcAlarmSistemi di allarme | 439 | 8993 |
| IfcAnnotation | 102077 | 2606122 |
| IfcAudioVisualAppliance | 641 | 14064 |
| IfcBeamTravi | 64563 | 19396903 |
| IfcBeamStandardCase | 8 | 3955 |
| IfcBoilerCaldaie | 404 | 1075 |
| IfcBuilding | 282112 | 294006 |
| IfcBuildingElementElementi costruttivi | 1 | 1 |
| IfcBuildingElementComponent | 1 | 6 |
| IfcBuildingElementPart | 1726 | 2083319 |
| IfcBuildingElementProxyElementi generici | 48499 | 34315703 |
| IfcBuildingStorey | 271261 | 1118635 |
| IfcBurner | 3 | 19 |
| IfcCableCarrierFitting | 202 | 53974 |
| IfcCableCarrierSegmentCanalizzazioni | 573 | 212108 |
| IfcCableFitting | 10 | 811 |
| IfcCableSegmentCavi | 97 | 6239 |
| IfcChiller | 2 | 3 |
| IfcChimney | 69 | 814 |
| IfcCivilElement | 38 | 227 |
| IfcCoil | 258 | 3998 |
| IfcColumnPilastri | 74508 | 7126687 |
| IfcColumnStandardCase | 7 | 799 |
| IfcCommunicationsApplianceDispositivi di telecomunicazione | 23 | 163 |
| IfcCompressor | 3 | 5 |
| IfcCondenser | 3 | 26 |
| IfcConstructionEquipmentResource | 3 | 88 |
| IfcController | 23 | 38 |
| IfcCoolingTower | 4 | 5 |
| IfcCostItem | 4 | 28 |
| IfcCostSchedule | 6 | 9 |
| IfcCoveringRivestimenti | 9728 | 2188539 |
| IfcCrewResource | 4 | 7 |
| IfcCurtainWallMuri di taglio | 6701 | 787224 |
| IfcDamperDampers | 66 | 1344 |
| IfcDiscreteAccessoryDiscrete accessories | 1788 | 392467 |
| IfcDistributionChamberElementPozzetti | 2789 | 54542 |
| IfcDistributionCircuit | 6 | 133 |
| IfcDistributionControlElement | 283 | 13119 |
| IfcDistributionElementElementi di distribuzione di flusso | 4185 | 62575 |
| IfcDistributionFlowElement | 606 | 18910 |
| IfcDistributionPort | 8504 | 11908306 |
| IfcDistributionSystem | 1776 | 94904 |
| IfcDoorPorte | 104342 | 4356386 |
| IfcDuctFittingDistribuzione | 13049 | 1639482 |
| IfcDuctSegmentCanali | 23856 | 2466015 |
| IfcDuctSilencer | 104 | 832 |
| IfcElectricalCircuit | 1 | 44 |
| IfcElectricApplianceElectrical appliances | 3800 | 97552 |
| IfcElectricDistributionBoardQuadri elettrici | 1749 | 22511 |
| IfcElectricDistributionPoint | 73 | 1344 |
| IfcElectricFlowStorageDevice | 235 | 1546 |
| IfcElectricGeneratorGeneratori elettrici | 1 | 8 |
| IfcElectricMotorMotori elettrici | 14 | 95 |
| IfcElement | 1 | 88 |
| IfcElementAssembly | 20635 | 12279402 |
| IfcEnergyConversionDeviceConvertitori di energia | 11006 | 67606 |
| IfcEvaporator | 8 | 219 |
| IfcExternalSpatialElement | 269175 | 435003 |
| IfcFanVentilatori | 1373 | 5152 |
| IfcFastener | 1018 | 2107009 |
| IfcFilter | 57 | 529 |
| IfcFireSuppressionTerminal | 1101 | 173521 |
| IfcFlowController | 1139 | 105024 |
| IfcFlowFittingUnioni e transizioni di flusso | 1661 | 1408442 |
| IfcFlowInstrument | 6 | 11 |
| IfcFlowMeterContatori | 2682 | 5682 |
| IfcFlowMovingDeviceDispositivi di flusso | 223 | 10831 |
| IfcFlowSegment | 2569 | 1640630 |
| IfcFlowStorageDevice | 108 | 399 |
| IfcFlowTerminalTerminali di flusso | 6979 | 943981 |
| IfcFlowTreatmentDevice | 41 | 498 |
| IfcFootingFondazioni | 24599 | 810292 |
| IfcFurnishingElement | 4521 | 989818 |
| IfcFurnitureArredamento | 7372 | 1488162 |
| IfcGeographicElement | 4183 | 52565 |
| IfcGrid | 6422 | 65867 |
| IfcGroup | 5896 | 425212 |
| IfcHeatExchangerScambiatori di calore | 2771 | 16822 |
| IfcInterceptor | 10 | 13 |
| IfcJunctionBoxCassette di connessione | 791 | 25124 |
| IfcLaborResource | 4 | 358 |
| IfcLampLamapade | 15 | 1998 |
| IfcLightFixtureApparecchi illuminanti | 2020 | 260591 |
| IfcMechanicalFastener | 1401 | 2360273 |
| IfcMedicalDevice | 2 | 33 |
| IfcMemberAltre aste della struttura | 38168 | 14504952 |
| IfcMemberStandardCase | 2 | 2092 |
| IfcOccupant | 35 | 248 |
| IfcOpeningElementAperture | 138523 | 15721248 |
| IfcOpeningStandardCase | 11 | 1100 |
| IfcOutletPrese | 1427 | 171417 |
| IfcPilePali | 1598 | 99090 |
| IfcPipeFittingPipe fittings | 11318 | 713154 |
| IfcPipeSegmentTubi | 32538 | 9979975 |
| IfcPlateLamiere | 7300 | 3042456 |
| IfcProject | 13793 | 13797 |
| IfcProjectionElement | 3 | 448 |
| IfcProtectiveDevice | 49 | 1980 |
| IfcProxy | 24 | 7822 |
| IfcPumpGruppi di pressione | 11716 | 27576 |
| IfcRailingParapetti | 11744 | 449796 |
| IfcRamp | 2377 | 6489 |
| IfcRampFlightRampe | 1699 | 4599 |
| IfcReinforcingBarBarre di armatura | 8815 | 65690118 |
| IfcReinforcingMesh | 23 | 6899 |
| IfcRoofCoperture | 109118 | 885658 |
| IfcSanitaryTerminalApparecchi sanitari | 6872 | 472085 |
| IfcSensorSensori | 457 | 9233 |
| IfcShadingDeviceEdifici vicini e altri ostacoli | 87458 | 5826024 |
| IfcSiteAmbiente | 294798 | 318123 |
| IfcSlabSolai | 162786 | 5716064 |
| IfcSlabStandardCase | 4 | 1721 |
| IfcSolarDeviceDispositivi solari | 4481 | 66379 |
| IfcSpaceLocali | 122955 | 6711737 |
| IfcSpaceHeaterCorpi scaldanti | 3053 | 53698 |
| IfcSpatialZone | 528 | 18875 |
| IfcStackTerminal | 13 | 264 |
| IfcStair | 18912 | 135998 |
| IfcStairFlightScale | 10315 | 113673 |
| IfcStructuralAction | 1 | 9 |
| IfcStructuralAnalysisModel | 46 | 46 |
| IfcStructuralCurveAction | 2 | 54 |
| IfcStructuralCurveConnection | 5 | 2587 |
| IfcStructuralCurveMember | 44 | 16259 |
| IfcStructuralLinearAction | 12 | 4730 |
| IfcStructuralLinearActionVarying | 6 | 747 |
| IfcStructuralLoadCase | 10 | 52 |
| IfcStructuralLoadGroup | 20 | 1213 |
| IfcStructuralMember | 1 | 1 |
| IfcStructuralPlanarAction | 7 | 3822 |
| IfcStructuralPointAction | 10 | 228 |
| IfcStructuralPointConnection | 74 | 26217 |
| IfcStructuralPointReaction | 10 | 24901 |
| IfcStructuralResultGroup | 10 | 14 |
| IfcStructuralSurfaceConnection | 4 | 263 |
| IfcStructuralSurfaceMember | 25 | 7011 |
| IfcSubContractResource | 1 | 1 |
| IfcSurfaceFeature | 6 | 647 |
| IfcSwitchingDeviceInterruttori | 1044 | 42552 |
| IfcSystem | 1447 | 189074 |
| IfcSystemFurnitureElement | 696 | 41497 |
| IfcTankDespositi | 5895 | 12288 |
| IfcTask | 6 | 299 |
| IfcTendonCavi post-tesi | 111 | 23241 |
| IfcTendonAnchor | 1 | 93 |
| IfcTransformerTrasformatori | 774 | 1173 |
| IfcTransportElementElementi di trasporto | 1627 | 8265 |
| IfcUnitaryControlElementUnitary control elements | 10 | 46 |
| IfcUnitaryEquipment | 3140 | 96600 |
| IfcValveValvole | 3465 | 156230 |
| IfcVibrationIsolator | 1 | 8 |
| IfcVirtualElement | 113891 | 126455 |
| IfcVoidingFeature | 19 | 17003 |
| IfcWallMuri | 130256 | 17882785 |
| IfcWallStandardCase | 27023 | 4395900 |
| IfcWasteTerminal | 122 | 3407 |
| IfcWindowFinestre | 117763 | 6146029 |
| IfcWorkCalendar | 5 | 7 |
| IfcWorkPlan | 6 | 6 |
| IfcWorkSchedule | 5 | 5 |
| IfcZone | 77077 | 663829 |