A
Aerodyne Dev.
Air Maze
Air San
Allen
Ambac
American Air Filter
American Felt & Filter
Ametek
B
Baldwin
Balston
Banner
Beach
Bendix
Binks
Bowser
Briggs
Brunswick
C
Can Flo
Capitol
Cessna
Char-Lynn
Commercial
Como
Consler
Continental
Cross
Cuno
D
Danly
Darenth
Deluxe
Dollinger
Domnick Hunter
Donaldson
E
Eaton
Elliott
Endustra
Endustrial
ExCel
EZ Flow
F
Facet
Fairoy
Farr
FDI
Filmax
Filter Fab's
Filterite
FilterMart
FilterSoft
Filterspun
Filtration Systems
Finite
Flow-Ezy
Fluitek
FPC
Fram
FSI
Ful Flo
G
GAF
Gelman
General
Global
Grayco
Gresen
H
Harmsco
Harvard
Hellan
Hiflo
Hilco
Hoffman
Honan-Crane
Hydreco Microfilter
Hytrex Microsep
I
Ingersol-Rand
J
JB Systems
Johns-Mansville
K
Keene
Keystone
Knight
Koch
Kraissell
L
Lenz
Leybold-Heraeus
Luber Finer
M
M.S.I.
Mann & Hummel
Marvel
Master Pneumatic
Maxon
McMasters
MFP Div.
Michigan Dynamics
Millipore
Mueller
Muessco
N
Neptune
Norco, El-Cap
Norgren
Nowata
Nugent
Numatics
O
Osmonics / Suev
P
Pall
Parker
Parker / Velcon
Pecor
Pentair
P M H-Fairey
P T I
Purolator
R
Racine
Refilco
Ripley
Ronningen-Petter / Eaton
Rosaen
Royal Daulton
S
Schroeder
Self Cleaning
Separation Technology
Serfilco
Shelco
Snow
Sterns & Foster
T
Torit
U
U C C
United
Universal
V
Van Aire
W
Wickers
Wallace
Warner-Lewis
Watts
Wilkerson
Wix
Z
Zurn
