Category:Defunct technology companies

• Defunct technology companies by country (11 C)
• Technology companies by century of disestablishment (3 C)
• Technology companies by year of disestablishment (93 C)

B

• Defunct biotechnology companies (2 C)

C

• Defunct computer companies (15 C)

E

• Defunct electronics companies (7 C, 2 P)
• Defunct engineering companies (6 C, 1 P)

O

• Defunct online companies (3 C, 28 P)

P

• Defunct photography companies (1 C, 40 P)

T

• Defunct telecommunications companies (12 C, 11 P)