| ING Index Plus LargeCap Portfolio | Class I | IPLIX | — |
| ING Index Plus LargeCap Portfolio | Class S | IPLSX | — |
| ING Index Plus LargeCap Portfolio | Class S2 | IPLTX | — |
| ING Index Plus MidCap Portfolio | Class I | IPMIX | — |
| ING Index Plus MidCap Portfolio | Class S | IPMSX | — |
| ING Index Plus MidCap Portfolio | Class S2 | AIMTX | — |
| ING Index Plus SmallCap Portfolio | Class I | IPSIX | — |
| ING Index Plus SmallCap Portfolio | Class S | IPSSX | — |
| ING Index Plus SmallCap Portfolio | Class S2 | IPSTX | — |
| ING Small Company Portfolio | Class I | IVCSX | — |
| ING Small Company Portfolio | Class S | IVPSX | — |
| ING Small Company Portfolio | Adviser Class | IASCX | — |
| ING Small Company Portfolio | Class S2 | ISMLX | — |
| ING BlackRock Science and Technology Opportunities Portfolio | Class I | IBSIX | — |
| ING BlackRock Science and Technology Opportunities Portfolio | Class S | IBGSX | — |
| ING BlackRock Science and Technology Opportunities Portfolio | Adviser Class | IGSAX | — |
| ING BlackRock Science and Technology Opportunities Portfolio | Class S2 | ISBRX | — |
| ING WisdomTree Global High-Yielding Equity Index Portfolio | Class S | IGHSX | — |
| ING WisdomTree Global High-Yielding Equity Index Portfolio | Adviser Class | IGHAX | — |
| ING WisdomTree Global High-Yielding Equity Index Portfolio | S2 | IWTTX | — |
| ING International Index Portfolio | Adviser Class | IIIAX | — |
| ING International Index Portfolio | Class I | IIIIX | — |
| ING International Index Portfolio | Class S | INTIX | — |
| ING International Index Portfolio | Class S2 | ISIIX | — |
| ING U.S. Bond Index Portfolio | Adviser Class | ILUAX | — |