Industrial

4B Elevator Components Limited

Advanced CAD/CAM

Automated Analysis Corporation

Advanced Technology Services

Caterpillar, Inc.

CGN & Associates

Clark Engineers MW, Inc.

Cope Plastics, Inc.

DP Filters, Inc.

Danimal Corp.

E-G Products Div, E-G Groups, Inc.

Graves Environmental Safety, Inc.

Hanley Steel, Inc.

Harding ESE

Illinois Machine & Tool

Illinois Valley Plastics, Inc.

International Supply Company

Jones Sewing Machine Company

Keystone Steel and Wire, Co.

Kirby Risk Electrical Supply

Lynch Aluminum Mfg. Co.

Martin Engineering

MCP, Inc.

MH Equipment Co.

Morton Buildings, Inc.

Philippi-Hagenbuch, Inc.

Randolph & Associates Inc.

River City Enterprises

Rohn Industries, Inc.

Sawmill Hydraulics, Inc.

Special Engery Products Co. Inc. (SEPCO)

Sprinkmann's Insulation

Tri-State Performance Systems, Inc.

Troy-Jenn, Inc.

Xcell Mechanical Systems