Heat Treat Reps

Wirco, Inc. - a leading manufacturer of fabrications including baskets, mesh liners, fixturing, furnace fans
(new and rebuilt), water and air-cooled fan assemblies, furnace rolls, muffles, corrugated boxes, wrought and
cast radiant tubes and retorts. Wirco designs fixturing to specific customer requirements.
Alloy Engineering and Casting Company - offers a full line of cast alloy products - tubes,
roller rails, retorts, furnace rolls, etc. With state-of-the-art equipment, AECCO produces heat, corrosion, and
wear resistant castings in conventional and centrifugal casting processes. AECCO facilities include both
induction and arc furnaces allowing for the production of a wide variety of casting sizes.

United Process Controls - an alliance of four recognized companies within the heat treating
industry fills the needs of their customers for industry-leading control solutions and provides easy-to-access
support through a worldwide sales and services network. Member companies are: Furnace Control Corporation,
Marathon Monitors Inc., Waukee Engineering Company Inc., and Process-Electronic.

Tenaxol Technologies, Inc. - exclusive distributors of Dow Chemical UCON® polymer quenchants
for the heat treating industry. Additionally, Tenaxol® represents Chemtool Incorporate, the leader in the
formulation and supply of various lubricants, cleaning agents, cutting fluids, adhesives and other solutions for
diverse industrial applications.

Nitrex Metal - a key supplier of automated, turnkey heat treating systems for nitriding and
nitrocarburizing applications. Additionally, the company offers commercial metal treating services in several
locations across North America.

Keystone Manufacturing - manufacturer of flat wire conveyor belting, Key-Turn® radius belts,
and standard and custom sprockets for flat wire belts. In addition, Keystone manufactures TruKey® Shafting,
designed to provide the straightest, most accurate keyed shafting in the industry.

INEX - specialty manufacturer of Composite Radiant Tubes (CRTs) used in all types of batch and continuous
heat-treating furnaces in commercial and captive heat-treating shops. Made in a patented fabrication process,
INEX tubes consist of silicon carbide in a silicon matrix, successfully overcoming the problems incurred with
conventional tube materials.

Furnace Belt Company (FBC) - manufactures a broad range of round wire conveyor belt and flat
wire conveyor belt used in high temperature conveying for industrial ovens and furnaces.

C. I. Banker Wire - the premier manufacturer of pre-crimped woven and welded wire fabrics in North
America and specialists in providing a wide variety of industries with cut-to-size material made exactly to the
customer's specifications.

AFC-Holcroft - a global leader in the supply of atmosphere-based furnace systems is fully equipped to
design, manufacture, ship, install, and service all types of custom and standard heat treat systems, including
Meshbelt, Cast Link, Pusher, Batch, Endothermic Generators, etc.

ALD-Holcroft Vacuum Technologies Co., Inc. - provides vacuum furnace equipment
within the North American market.