- AAS
- Access Products
- ACE
- Adams Rite
- AeGIS
- Aerotech
- AGW
- AiPhone
- All-O-Matic
- Alloy Castings
- Allstar
- Alvarado
- Ameriline
- Apollo
- BD Loops
- BEA
- Belden
- Bommer
- Byan
- Cansec
- CelAccess
- Click2Enter
- Codelock
- Cornerstone
- Counsel Industries
- Cyrex
- D&D
- DC Solutions
- Diablo Controls
- Ditek
- Doorking
- Duragate
- Eagle
- EbelCo
- Elite
- Elk
- EMX
- FAAC
- Gibcloser
- Guardian Hardware
- Guardian Traffic
- HID
- HySecurity
- International
- Kaba
- Kant-Slam
- Keedex
- Knox
- Kwikset
- Liftmaster
- Linear
- Locinox
- Lockey
- Lokk-Latch
- Master
- Miller
- MK Battery
- MMTC
- Modesto
- Morningstar
- Multicode
- Osco
- Papaiz
- PDQ
- Pedestal CEO
- PowerGuard
- Q-SEAL
- Ramset
- Reno
- Revere
- Ritron
- Rofu
- Schlage
- SEA
- Seco-Larm
- Securitron
- Sentex
- SIRIT
- Sunwise
- Transmitter Solutions
- Trine
- Ultra
- US Automatic
- Viking
- Yingli
- Zareba
Wheels, Boxes & Track
Slide gate wheels come in several grades. The highest grade is heat treated steel with dual sealed bearings. That same wheel in cold rolled steel will suffice for most installations. A good economical wheel is the hard plastic type. Low-end cast iron wheels are not recommended. See Diagram
