| | | 42511 | Business to Business
Electronic Markets | 5 | | Business to Business
Electronic Markets 42511 | Wholesale Electronic
Markets and Agents and
Brokers 4251 | Wholesale Electronic
Markets and Agents and
Brokers 425 | Wholesale Trade 42 |
| | | 425110 | Business to Business
Electronic Markets | 6 | Business to Business
Electronic Markets 425110 | Business to Business
Electronic Markets 42511 | Wholesale Electronic
Markets and Agents and
Brokers 4251 | Wholesale Electronic
Markets and Agents and
Brokers 425 | Wholesale Trade 42 |
| | | 42512 | Wholesale Trade Agents
and Brokers | 5 | | Wholesale Trade Agents
and Brokers 42512 | Wholesale Electronic
Markets and Agents and
Brokers 4251 | Wholesale Electronic
Markets and Agents and
Brokers 425 | Wholesale Trade 42 |
| | | 425120 | Wholesale Trade Agents
and Brokers | 6 | Wholesale Trade Agents
and Brokers 425120 | Wholesale Trade Agents
and Brokers 42512 | Wholesale Electronic
Markets and Agents and
Brokers 4251 | Wholesale Electronic
Markets and Agents and
Brokers 425 | Wholesale Trade 42 |
| | | 5173 | Wired and Wireless
Telecommunications
Carriers | 4 | | | Wired and Wireless
Telecommunications
Carriers 5173 | Telecommunications 517 | Information 51 |
| | | 51731 | Wired and Wireless
Telecommunications
Carriers | 5 | | Wired and Wireless
Telecommunications
Carriers 51731 | Wired and Wireless
Telecommunications
Carriers 5173 | Telecommunications 517 | Information 51 |
| | | 517311 | Wired Telecommunications
Carriers | 6 | Wired Telecommunications
Carriers 517311 | Wired and Wireless
Telecommunications
Carriers 51731 | Wired and Wireless
Telecommunications
Carriers 5173 | Telecommunications 517 | Information 51 |
| | | 517312 | Wireless
Telecommunications
Carriers (except
Satellite) | 6 | Wireless
Telecommunications
Carriers (except
Satellite) 517312 | Wired and Wireless
Telecommunications
Carriers 51731 | Wired and Wireless
Telecommunications
Carriers 5173 | Telecommunications 517 | Information 51 |