Brands
- 10Zig
- 2Camera Black Box
- 3D Instruments
- 3M
- A&M Instruments
- A.W. Sperry
- ABB
- Abbott
- Acco
- Accu-Coder
- ACI - Automation Components, Inc.
- Acme Electric Corporation
- Acopian
- Acro
- Acromag
- ACT
- Action Pak
- ADC
- ADS
- Advanced APT
- AdvanceTec
- Advantec
- Advantec MFS
- Advantech
- AEA Technology
- Aeroquip
- Aesculap Prestige
- Agastat
- Agilent
- Air Liquide
- AIRFLOW
- Airgas
- AIW Corp.
- Alaris
- Albion
- Alboin
- Alcatel
- Alcatel-Lucent
- Alco
- Alderon
- Algo
- ALGood
- Allen-Bradley
- Allpax
- Aloka
- Ambu
- Amel Instruments
- American Dynamics
- American Fan
- American Optical Co.
- American Sigma
- AmeriVacs
- Amersham Pharmacia Biotech
- AMETEK
- Ametek/Dixson
- Amicon
- Amp
- Amphenol
- ANCorp
- Angus Fire
- Anritsu
- Antaira
- Antritsu
- AOR
- APC
- API Systems
- Apollo
- Apple
- Appleton
- Applied Biosystems
- Aptec
- Arc Machines Inc.
- ARI
- Arlington
- Armstrong
- Arrow Engineering
- Arrow Pneufmatics
- Artesyn
- Asco
- Ashcroft
- Astron
- ATI
- Atlas Copco
- Atlas/Soundolier
- ATMEL
- Automated Logic
- Automotion
- AvaLAN
- Avaya
- AXIS
- B&B Electronics
- Baldor
- Band-It
- Banner Engineering
- Barix
- Barnstead/Thermolyne
- Bausch + Lomb
- Baxter
- Beckman
- Beckman Coulter