| Line | Entity Registrant Name | SIC | Sector | SEC Filing Page | 
|---|---|---|---|---|
| 1 | ATLANTIC CITY ELECTRIC CO | 6211 | Security And Commodity Brokers, Dealers, Exchanges, And Services | SEC Filing Page | 
| 2 | CBOE Holdings, Inc. | 6200 | SECURITY & COMMODITY BROKERS, DEALERS, EXCHANGES & SERVICES | SEC Filing Page | 
| 3 | CME GROUP INC. | 6200 | SECURITY & COMMODITY BROKERS, DEALERS, EXCHANGES & SERVICES | SEC Filing Page |