The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.

• "Evren Korpeoglu of San Jose CA (US) (1 member)
• ., Ltd. (1 member)
• . Abhishek Raja of Niagara Falls NY US (1 member)
• . Aikata of Graz AT (1 member)
• . Ajay (1 member)
• . Akanksha (1 member)
• . Akanksha of Bangalore (IN) (3 members)
• . Delphine (2 members)
• . Ikhtiar of San Jose CA (US) (2 members)
• . Mangaldeep of Noida (IN) (1 member)
• . Pujiatno of Bekasi (ID) (2 members)
• . Satheesh Balasubramanian (6 members)
• . Siddharth of Bengaluru (IN) (2 members)
• . VISHAKH of New York NY (US) (1 member)
• 0Chain Corp. (7 members)
• 1/ST Technology LLC (4 members)
• 100.co Global Holdings, LLC (1 member)
• 102 Rejections (4,202 members)
• 103 Rejections (8,588 members)
• 10x Genomics (3 members)
• 10x Genomics, Inc. (115 members)
• 1248441 B.C. LTD. (2 members)
• 1372934 B.C. LTD. (8 members)
• 15399769 CANADA INC. (3 members)
• 17LIVE Japan INC. (11 members)
• 17LIVE Japan Inc (2 members)
• 17LIVE Japan Inc. (26 members)
• 1964 Ears, LLC (1 member)
• 1987 establishments (1 member)
• 1Print LLC (2 members)
• 1QB Information Technologies Inc. (14 members)
• 1inch Limited (8 members)
• 1nteger (1 member)
• 1nteger, LLC (1 member)
• 2009 establishments in California (1 member)
• 2014 establishments (1 member)
• 21st-century inventors (1 member)
• 2376016 Alberta Inc. (1 member)
• 247 NewCoIT Corp. dba NurseBee (3 members)
• 24M Technologies, Inc. (1 member)
• 2562701 Ontario Ltd. (3 members)
• 2623223 Ontario Inc. (1 member)
• 2724889 ONTARIO INC. (2 members)
• 2731848 Ontario Inc. (2 members)
• 27 Software U.S. Inc. dba DXterity Solutions (2 members)
• 2840629 Ontario Inc. (1 member)
• 2BC Innovations, LLC (33 members)
• 2by2 Industries, LLC (2 members)
• 2seventy bio, Inc. (2 members)
• 35 U.S.C. § 112 (2 members)