• Companies by industry and city (14 C)
• Companies by industry and continent (9 C)
• Companies by industry and country (42 C)

*

• Holding companies by industry (3 C)
• Lists of companies by industry (19 C, 65 P)
• Multinational companies by industry (8 C)

/

• Defunct companies by industry (25 C)
• Companies by industry and year of establishment (12 C)

+

• Companies by continent and industry (10 C)
• Companies by country and industry (198 C, 1 P)

A

• Agriculture companies (25 C)

C

• Construction and civil engineering companies (17 C, 14 P)

D

• Defence companies (4 C, 3 P)

E

• Entertainment companies (28 C, 2 P)

F

• Financial services companies (13 C, 4 P)
• Food and drink companies (15 C, 1 P)

H

• Health care companies (16 C, 1 P)

I

• Ice companies (23 P)
• Insect companies (2 C)

M

• Manufacturing companies (12 C)
• Mining companies (23 C, 15 P)

N

• Naval architecture companies (2 P)
• Non-renewable resource companies (7 C, 1 P)

P

• Public utilities (15 C, 21 P)

R

• Real estate companies (12 C, 3 P)
• Renewable resource companies (9 C)

S

• Service companies (30 C)
• Shipyards (6 C, 4 P)

T

• Technology companies (37 C, 24 P)
• Telecommunications companies (23 C, 16 P)
• Transport companies (25 C, 1 P)

Σ

• Industrial company stubs (3 C, 97 P)

Ω

• Wikipedia categories named after companies by industry (12 C)