A
A lb. Kein Technology Group
Advantage Powder Coating Inc.
A merican Bronze Corporation
AMSI, Inc.
Annaco, Inc.
Ashland Casting Solutions
August Mack Environmental, Inc.
B
Babcock & Wilcox Company
Best Sand Corporation Fairmount Minerals, Ltd.
Burnham Foundry
C
CBS Boring and Machine Co.
Cleveland Casting Plant
Clow Water Systems Company
Col Pump Company, Inc.
Columbus Steel Castings
D
Delta - HA
Dine Comply, Inc.
Duca Manufacturing & Consulting, Inc.
E
Ellwood Engineered Castings
Elyria Foundry Company
EMTEC
Energy Industries of Ohio
Epcor Foundry
Equipment Merchants International (EMI)
F
Fairmount Minerals, Ltd.
Ferguson Enterprises, Inc.
Flowserve Corporation
Ford Motor Company
Foseco, Inc.
G
G & C Foundry Company
GM Powertrain Group Defiance Casting Plant
Griffin Wheel Company
H
Harrison Ironworks
Hickman, Williams & Company
Hill & Griffith Company
Honda of America Mfg., Inc.
Hornish Bros., Inc.
Humtown Products, Inc.
I
Iron Casting Research Institute
J
J-Lenco, Inc.
K
Keener Sand & Clay Company
Keller Logistics Group
Kenton Iron Products, Inc.
Keramida Environmental, Inc.
Kirk & Blum
Knapp Foundry Company, Inc.
Kurtz Brothers, Inc.
L
M
MACTEC Engineering & Consulting
Mansfield Brass & Aluminum Corporation
Maumee Valley Vending Company
McLaughlin, Inc.
Metal Management of Ohio
Miami-Cast, Inc.
Miller and Company LLC
Morris Bean & Company
Multi-Cast Corporation

N
Nock and Son Company
O
Ohio Cast Products, Inc.
Omnisource Corporation
O . S. Kelly Company
OSCO Industries, Inc.
P
Palmer Mfg. & Supply Inc.
Penton Metals Group
Piqua Champion Foundry, Inc.
ProTherm, Inc.
Q
R
Reliable Castings Corporation
RMT, Inc.
Ross Aluminum Foundries
S
San Cast, Inc.
Sand Products Corporation
Shell Sands, Inc.
St. Marys Foundry, Inc.
Suburban Landfill Inc.
Swisher Associates, Inc.
T
Taylor Equipment & Supply
The Blanchester Foundry Co., Inc.
The Payne Firm, Inc.
The Quality Castings Company
The Sawbrook Steel Castings Company
Tri-Cast, Ltd.
U
U. S. Casting Company
United Foundries, Inc.
V
W
Wheeler Boyce Company
Wyrwas Aluminum Industries Corporation
X
Xenia Foundry & Machine Co.
Y
Z