| IfcActor | 81 | 173 |
| IfcActuator | 7 | 239 |
| IfcAirTerminalTerminali ad aria | 30455 | 1221710 |
| IfcAirTerminalBox | 2056 | 116358 |
| IfcAirToAirHeatRecoveryRecuperatori di calore aria-aria | 5981 | 84234 |
| IfcAlarmSistemi di allarme | 577 | 11426 |
| IfcAnnotation | 132305 | 3423358 |
| IfcAudioVisualAppliance | 823 | 18429 |
| IfcBeamTravi | 94195 | 29801924 |
| IfcBeamStandardCase | 11 | 5415 |
| IfcBoilerCaldaie | 493 | 1703 |
| IfcBuilding | 377603 | 394119 |
| IfcBuildingElementElementi costruttivi | 1 | 1 |
| IfcBuildingElementComponent | 1 | 6 |
| IfcBuildingElementPart | 2337 | 2994598 |
| IfcBuildingElementProxyElementi generici | 63919 | 46540076 |
| IfcBuildingStorey | 365416 | 1502769 |
| IfcBurner | 4 | 20 |
| IfcCableCarrierFitting | 296 | 60610 |
| IfcCableCarrierSegmentCanalizzazioni | 832 | 274465 |
| IfcCableFitting | 13 | 864 |
| IfcCableSegmentCavi | 151 | 9742 |
| IfcChiller | 8 | 14 |
| IfcChimney | 149 | 1032 |
| IfcCivilElement | 44 | 570 |
| IfcCoil | 292 | 7799 |
| IfcColumnPilastri | 106513 | 10474557 |
| IfcColumnStandardCase | 9 | 821 |
| IfcCommunicationsApplianceDispositivi di telecomunicazione | 68 | 305 |
| IfcCompressor | 5 | 9 |
| IfcCondenser | 6 | 36 |
| IfcConstructionEquipmentResource | 3 | 88 |
| IfcController | 30 | 89 |
| IfcCoolingTowerCooling Tower | 52 | 252 |
| IfcCostItem | 4 | 28 |
| IfcCostSchedule | 6 | 9 |
| IfcCoveringRivestimenti | 13857 | 3287512 |
| IfcCrewResource | 4 | 7 |
| IfcCurtainWallMuri di taglio | 8967 | 1176228 |
| IfcDamperDampers | 178 | 9345 |
| IfcDiscreteAccessoryDiscrete accessories | 2252 | 511951 |
| IfcDistributionChamberElementPozzetti | 3583 | 69910 |
| IfcDistributionCircuit | 6 | 133 |
| IfcDistributionControlElement | 368 | 22453 |
| IfcDistributionElementElementi di distribuzione di flusso | 5460 | 81603 |
| IfcDistributionFlowElement | 896 | 29421 |
| IfcDistributionPort | 12245 | 17204964 |
| IfcDistributionSystem | 3143 | 124669 |
| IfcDoorPorte | 137259 | 5857756 |
| IfcDuctFittingDistribuzione | 17337 | 2214459 |
| IfcDuctSegmentCanali | 31736 | 3325470 |
| IfcDuctSilencer | 189 | 2581 |
| IfcElectricalCircuit | 0 | 0 |
| IfcElectricApplianceElectrical appliances | 4821 | 114403 |
| IfcElectricDistributionBoardQuadri elettrici | 2318 | 29520 |
| IfcElectricDistributionPoint | 113 | 1442 |
| IfcElectricFlowStorageDevice | 303 | 2378 |
| IfcElectricGeneratorGeneratori elettrici | 0 | 0 |
| IfcElectricMotorMotori elettrici | 14 | 95 |
| IfcElement | 1 | 88 |
| IfcElementAssembly | 28620 | 17534989 |
| IfcEnergyConversionDeviceConvertitori di energia | 14623 | 88737 |
| IfcEvaporator | 11 | 227 |
| IfcExternalSpatialElement | 359325 | 575997 |
| IfcFanVentilatori | 1774 | 6735 |
| IfcFastener | 1525 | 2673365 |
| IfcFilter | 76 | 904 |
| IfcFireSuppressionTerminal | 1527 | 340835 |
| IfcFlowController | 1498 | 155749 |
| IfcFlowFittingUnioni e transizioni di flusso | 2258 | 1955452 |
| IfcFlowInstrument | 5 | 10 |
| IfcFlowMeterContatori | 3537 | 7472 |
| IfcFlowMovingDeviceDispositivi di flusso | 338 | 15175 |
| IfcFlowSegment | 3566 | 2274374 |
| IfcFlowStorageDevice | 159 | 621 |
| IfcFlowTerminalTerminali di flusso | 9531 | 1308953 |
| IfcFlowTreatmentDevice | 53 | 600 |
| IfcFootingFondazioni | 31700 | 1047869 |
| IfcFurnishingElement | 6132 | 1313080 |
| IfcFurnitureArredamento | 9831 | 2004297 |
| IfcGeographicElement | 5623 | 71702 |
| IfcGrid | 8403 | 85639 |
| IfcGroup | 7704 | 548069 |
| IfcHeatExchangerScambiatori di calore | 3721 | 22426 |
| IfcInterceptor | 27 | 146 |
| IfcJunctionBoxCassette di connessione | 1078 | 38533 |
| IfcLaborResource | 4 | 358 |
| IfcLampLamapade | 17 | 2091 |
| IfcLightFixtureApparecchi illuminanti | 2776 | 474669 |
| IfcMechanicalFastener | 2042 | 3042578 |
| IfcMedicalDevice | 4 | 44 |
| IfcMemberAltre aste della struttura | 46892 | 18202806 |
| IfcMemberStandardCase | 4 | 2154 |
| IfcOccupant | 42 | 221 |
| IfcOpeningElementAperture | 181526 | 20815645 |
| IfcOpeningStandardCase | 11 | 1100 |
| IfcOutletPrese | 1839 | 233393 |
| IfcPilePali | 2216 | 142798 |
| IfcPipeFittingPipe fittings | 14774 | 886962 |
| IfcPipeSegmentTubi | 42623 | 13158635 |
| IfcPlateLamiere | 10023 | 4327184 |
| IfcProject | 19415 | 19417 |
| IfcProjectionElement | 4 | 544 |
| IfcProtectiveDevice | 94 | 6195 |
| IfcProxy | 43 | 14845 |
| IfcPumpGruppi di pressione | 15381 | 35553 |
| IfcRailingParapetti | 15453 | 598632 |
| IfcRamp | 3107 | 9257 |
| IfcRampFlightRampe | 2231 | 6082 |
| IfcReinforcingBarBarre di armatura | 12680 | 98516615 |
| IfcReinforcingMesh | 32 | 7073 |
| IfcRoofCoperture | 142737 | 1139632 |
| IfcSanitaryTerminalApparecchi sanitari | 8924 | 653308 |
| IfcScheduleTimeControl | 1 | 780 |
| IfcSensorSensori | 632 | 15057 |
| IfcShadingDeviceEdifici vicini e altri ostacoli | 113170 | 7658267 |
| IfcSiteAmbiente | 394740 | 426301 |
| IfcSlabSolai | 213179 | 8124461 |
| IfcSlabStandardCase | 4 | 1721 |
| IfcSolarDeviceDispositivi solari | 5618 | 84684 |
| IfcSpaceLocali | 160404 | 9009384 |
| IfcSpaceHeaterCorpi scaldanti | 4027 | 68146 |
| IfcSpatialZone | 656 | 25784 |
| IfcStackTerminal | 35 | 466 |
| IfcStair | 25480 | 193222 |
| IfcStairFlightScale | 13873 | 166003 |
| IfcStructuralAction | 1 | 9 |
| IfcStructuralAnalysisModel | 59 | 59 |
| IfcStructuralCurveAction | 4 | 192 |
| IfcStructuralCurveConnection | 8 | 2762 |
| IfcStructuralCurveMember | 61 | 20314 |
| IfcStructuralLinearAction | 17 | 5635 |
| IfcStructuralLinearActionVarying | 6 | 747 |
| IfcStructuralLoadCase | 14 | 89 |
| IfcStructuralLoadGroup | 27 | 1627 |
| IfcStructuralMember | 1 | 1 |
| IfcStructuralPlanarAction | 13 | 4801 |
| IfcStructuralPointAction | 13 | 254 |
| IfcStructuralPointConnection | 89 | 34221 |
| IfcStructuralPointReaction | 11 | 25481 |
| IfcStructuralResultGroup | 11 | 19 |
| IfcStructuralSurfaceConnection | 4 | 263 |
| IfcStructuralSurfaceMember | 30 | 7113 |
| IfcSubContractResource | 1 | 1 |
| IfcSurfaceFeature | 7 | 712 |
| IfcSwitchingDeviceInterruttori | 1373 | 58633 |
| IfcSystem | 1903 | 248327 |
| IfcSystemFurnitureElement | 929 | 55308 |
| IfcTankDespositi | 7576 | 15863 |
| IfcTask | 7 | 1079 |
| IfcTendonCavi post-tesi | 166 | 22143 |
| IfcTendonAnchor | 1 | 93 |
| IfcTransformerTrasformatori | 967 | 1448 |
| IfcTransportElementElementi di trasporto | 2193 | 17145 |
| IfcUnitaryControlElementUnitary control elements | 15 | 212 |
| IfcUnitaryEquipment | 4165 | 126253 |
| IfcValveValvole | 4559 | 210769 |
| IfcVibrationIsolator | 1 | 8 |
| IfcVirtualElement | 148161 | 161551 |
| IfcVoidingFeature | 24 | 18830 |
| IfcWallMuri | 170720 | 24431873 |
| IfcWallStandardCase | 35699 | 6003083 |
| IfcWasteTerminal | 200 | 11607 |
| IfcWindowFinestre | 154347 | 7987833 |
| IfcWorkCalendar | 5 | 7 |
| IfcWorkPlan | 7 | 7 |
| IfcWorkSchedule | 6 | 6 |
| IfcZone | 101437 | 870499 |