A
- Actron
- AIRCAT
- Airsept
- Ajax Tool Works
- All Pro Heater
- Allstart
- Ame International
- American Aimers
- American Forge
- American Line
- American Power Pull
- American Safety Razor
- Amflo
- Ammco / Coats
- Ammex Corporation
- AmPro
- Amprobe
- ANEST IWATA
- Angel-Guard
- Anglo American
- Ansed Diagnostic Solutions
- Ansell
- AOK Industrial
- Arrow Pneumatic
- Assenmacher
- Associated Equipment
- Astro Pneumatic
- ATEQ
- Atlantic Safety Products
- Atlas Equipment
- Atlas Gove / LFS
- Autel
- Auto Arc
- Auto Body Doctor
- Auto Meter
