A
- ABB
- Abingdon Carpet Tile Division
- Abode
- Abus
- Acoustalay
- Acova
- Adams Rite
- Adaptaflex
- Addgards
- Adey
- Agrippa
- Aico
- Ajustlock
- Aladdin
- Altecnic
- ALUKAP-SS
- ALUKAP-XR
- Alupave
- Alupave
- AluSplash
- Amazon
- Amazon Echo
- Amblers
- Anaglypta
- Ansell Lighting
- Antinox
- Apache Industrial Wear
- Apollo
- Appleby
- Aptus
- Aqualisa
- Aqualux
- Araldite
- Arctic Products
- Ariston
- Armeg
- Armitage Shanks
- Armorgard
- Arroll
- Arrow
- Asgard
- Asset Protect
- Aurora
- AVF
- Axgard
- Axiome