A.C. DELCO

A.P. PRECISION

AIR MAZE

AIR REFINER

ALLEN

ALLIS-CHALMERS

AMBAC

AMERICAN PARTS

AMETEK

AQUA PURE

ARGO

ARMY-NAVY

ARROW PNEUMATIC

ATLAS COPCO

BALDWIN

BALSTON

BANNER

BECKER PUMP

BIG A

BOWSER-BRIGGS

BRIGGS & STRATTON

BUSCH

CAPITAL

CARQUEST

CATERPILLAR

CENTRAL ILLINOIS MFG.

CHAMPION

CIM-TEK

CINCINNATI MILICRON

CLARK

COMMERCIAL

CONAIR

CONSLER

CROSLAND

CUMMINS

CUNO

DAVEY

DAYTON

DELTECH

DELUXE

DENISON

DETROIT DIESEL

DIAGNETICS

DOLLINGER

DOMINIC HUNTER

DONALDSON

DRESSER

E.P.E.

EASTERN FILTERS

ENPRO

EUCLID

F.P.C.

FACET

FACET INTERNATIONAL

FAIREY ARLON

FARR

FIAT-ALLIS

FIFE

FILTERDYNE

FILTERITE

NORGREN

NUGENT

NUPRO

PALL

PALL AEROSPACE

PALL TRINITY

PARKER

PARKER-FINITE

PARKER/RACOR

PARKER/ROSEAN

PECO

PERKINS

PERRY

PNEUMATECH

POROUS MEDIA

PRINCE

P.T.I. / TEXTRON

PUROLATOR

QUINCY

RACINE / DANA

REFILCO

ROGERS

ROSEDALE

ROYAL

RYCO

S.M.C.

SAUER

SAVARA

SCHROEDER

SEPARATION TECH.

SERFILCO

SOFIMA

STAUFF

STODDARD

SULLAIR

TAISEI KOGYO

TORIT-DONALDSON

TOWMOTOR

TOYOTA

U.C.C.

U.F.I.

U.S.F.

UNITED ENGINE

UNIVERSAL

VAN AIR

VELCON

VICKERS

VOLVO

W.W. GRAINGER

WABCO

WATERGUARD

WATERMAN

WAUKESHA

WESTERN FILTERS

WILKERSON

WINSLOW

WIX

WORTHINGTON

ZINGA

ZURN

FILTRATION PRODUCTS

FLEETGUARD

FLO-LINE

FLOW EZY

FORD

FRAM

GARDNER-DENVER

GENERAL ELECTRIC

GENERAL MOTORS

GRESEN

GUARDIAN

HANKISON

HARMSCO

HASTINGS

HILCO

HYCON

HYDAC

HYDRECO

HYDRO-CRAFT

HYSTER

I.H.C.

INTERNORMAN

J.I. CASE

JOHN DEERE

JOY

KAESER

KAYDON

KEENE

KELLOGG

KOEHRING

KOHLER

KOMATSU

KRALINATOR

KUBOTA

L.H.A.

LENZ

LEROI

LETOURNEAU

LUBERFINER

M.P. PRODUCTS

MAHLE

MANN & HUMMEL

MARION

MARVEL

MASSEY-FERGUSON

MCMASTER

MEMTEC

MICHIGAN FLUID POWER

MITSUBISHI

MOOG

MOTORCRAFT

NAPA

NATIONAL FILTERS

NELSON

NEW HOLLAND

NORCO