Categories
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The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 2001 Series (1 member)
- Acoustic Technology, Incorporated (7 members)
- Alerting Communicators of America (13 members)
- American Signal Corporation (11 members)
- Asian Sirens (14 members)
- British Sirens (3 members)
- California systems (1 member)
- City systems (7 members)
- Coded Sirens (11 members)
- Company pages (60 members)
- County systems (4 members)
- Defunct Manufacturers (29 members)
- Demo template (1 member)
- Directional Sirens (71 members)
- Disambiguation pages (1 member)
- Dual Toned Sirens (60 members)
- Eaton (2 members)
- Electromechanical Siren Controls (7 members)
- Electromechanical Sirens (140 members)
- Electronic Siren Controls (5 members)
- Electronic Sirens (55 members)
- Elektror Airsystems (1 member)
- Engine-Driven (11 members)
- European Sirens (38 members)
- European systems (1 member)
- Exclude in print (1 member)
- Explosion-Proof Sirens (2 members)
- Fedelcode (0 members)
- Federal Signal Corporation (44 members)
- Friction Sirens (4 members)
- Georgia systems (6 members)
- H.O.R. (5 members)
- HELIN (3 members)
- HPSS (2 members)
- Hand Powered (13 members)
- Hidden categories (1 member)
- Hormann (0 members)
- Illinois systems (2 members)
- Indiana systems (4 members)
- Industrial Small Sirens (38 members)
- Internal link templates (1 member)
- Interwiki link templates (1 member)
- Lightning Sirens (1 member)
- Michigan systems (1 member)
- Mobile Sirens (10 members)
- National systems (1 member)
- Nuclear power plant systems (4 members)
- Oceanian Sirens (3 members)
- Ohio systems (1 member)
- Oklahoma systems (3 members)