EX-21.1 7 a2106388zex-21_1.htm EXHIBIT 21.1

Exhibit 21.1

 

SUBSIDIARIES OF INFORMATION HOLDINGS INC.

 

NAME

 

STATE OF INCORPORATION
OR ORGANIZATION

 

 

 

CRC Press LLC

 

Delaware

 

 

 

MicroPatent LLC

 

Delaware

 

 

 

Information Ventures LLC

 

Delaware

 

 

 

Optipat, Inc.

 

Virginia

 

 

 

MicroPatent (U.K.) LLC

 

Delaware

 

 

 

Master Data Center, Inc.

 

Michigan

 

 

 

Transcender LLC

 

Delaware

 

 

 

CRC Press Inc.

 

Delaware

 

 

 

CRC Press (U.K.) LLC

 

Delaware

 

 

 

Liquent, Inc.

 

Delaware

 

 

 

Liquent, Ltd.

 

United Kingdom

 

 

 

Parthenon Publishing Group, Ltd.

 

United Kingdom

 

 

 

Parthenon Inc.

 

New Jersey

 

 

 

IDRAC Holdings SAS

 

France

 

 

 

IDRAC SAS

 

France