Alcatel Vacuum Techology (UK) Ltd
Allectra Ltd
Chell
Edwards Vacuum
Henniker Scientific Ltd Hiden Analytical
Highland Scientific
Kurt J. Lesker Company Ltd
Lambda Photometrics
LewVac
MDC Vacuum Ltd
Megatech Ltd
MKS Instruments
Moorfield Associates
Oerlikon Leybold Vacuum
Pfeiffer Vacuum
Precision Plus Vacuum Parts
RTA Instruments Ltd
Scanwel
SS Scientific Ltd
Trinos Vacuum Systems
UHV Design Ltd
Varian Vacuum Technologies
VAT Vacuum Products
VRS
VG Scienta