All pages
- 3M
- 3M ID Numbers
- A1
- Acme
- American Crucible
- American Gas Accumulator
- Automatic Telephone Manufacturing Company
- Automatic Telephone and Electric Company
- Boyd Traffic Control Corporation
- Brown Traffic
- Chapel Hill
- Checker
- Corning
- Cost Cast Inc.
- Crouse-Hinds
- Darley
- DeMco
- Dialight
- Dryomatic
- E. R. Anderson Company, Inc.
- ESSCO
- Eagle
- Econolite
- Electro-Matic
- Electro-Tech's
- Fiberoptic Fabrications
- Florida-Matic
- General City Service Company
- General Electric
- General Electric (Canada)
- General Traffic Equipment
- Glossary
- Harrington-Seaberg
- Indicator Controls Corporation
- Intelight
- International Municipal Signal Association
- Kentron
- Kopp
- MacBeth-Evans
- Main Page
- Marbelite
- Mark IV
- Marlin Controls Incorporated
- McCain
- Michigan Intersections
- Midwest
- NEMA Traffic Controller Basics
- National Electrical Manufacturers Association
- New Jersey - Newark Traffic Tower
- New Template for Signal Pages
- New York City - 5th Ave. Traffic Towers
- New York City Intersections
- Novax
- Optisoft
- Peterco
- Plessey
- Porta-Signal
- Power Signal Technologies Inc.
- Restoration Services
- Reynolds Electric Company
- SESCO
- Safety Traffic Light Manufacturing
- Sandbox for Code Testing
- Schwab-Safe Co.
- Sequencers (Make the lights cycle)
- Shane Automatic Signal Manufacturing
- Signal Computer Corporation
- Signal Joining Rings
- Signal Mounting Styles
- Signal Service Corporation
- Signaphore
- Southern Switch & Signal Company
- Template for Lens Catalog Pages
- Template for Signal Pages
- Tokheim
- Traffic Signals Incorporated
- Walk-Time Manufacturing Company
- Walker Brothers
- Wilcox Sales
- Winko-Matic
