| AllocGrp | 23 fields, 1 group, 1 nested component |
| BidCompReqGrp | 8 fields, 1 group |
| BidCompRspGrp | 16 fields, 1 group |
| BidDescReqGrp | 12 fields, 1 group |
| ContraGrp | 5 fields, 1 group |
| ExecAllocGrp | 5 fields, 1 group |
| InstrmtGrp | 20 fields, 1 group |
| InstrmtMDReqGrp | 21 fields, 1 group |
| InstrmtStrkPxGrp | 28 fields, 1 group |
| IOIQualGrp | 2 fields, 1 group |
| LinesOfTextGrp | 4 fields, 1 group |
| ListOrdGrp | 73 fields, 1 group, 2 nested components |
| MDFullGrp | 31 fields, 1 group |
| MDIncGrp | 57 fields, 1 group |
| MDReqGrp | 2 fields, 1 group |
| MiscFeesGrp | 4 fields, 1 group |
| MsgTypeGrp | 3 fields, 1 group |
| OrdAllocGrp | 6 fields, 1 group |
| OrdListStatGrp | 11 fields, 1 group |
| PreAllocGrp | 3 fields, 1 group |
| QuotCxlEntriesGrp | 21 fields, 1 group |
| QuoteEntryAckGrp | 22 fields, 1 group |
| QuoteEntryGrp | 37 fields, 1 group |
| QuotReqGrp | 32 fields, 1 group |
| QuotSetAckGrp | 22 fields, 1 group, 1 nested component |
| QuotSetGrp | 23 fields, 1 group, 1 nested component |
| RoutingGrp | 3 fields, 1 group |
| StandardHeader | 27 fields |
| StandardTrailer | 3 fields |
| TrdgSesGrp | 2 fields, 1 group |