• Scalise Industries

• Scalise Real Estate Company

• Schlumberger Measurement Division

• Schroeder Murchie Laya Associates, Ltd.

• Schwank USA

• Seatek Co.

• Segale Bros.

• Seidelhuber Metal Products

• Sellstrom Mfg. Co.

• Senior Flexonics (Canada) Ltd.

• Sensidyne

• Sentry Equipment Corp.

• Setra Systems

• Shaw Aero Development

• Shindaiwa

• Shop Data Systems

• Shure Manufacturing Corporation

• Siemens Industrial Automation

• Sierra Monitor Corp.

• Sioux Steam Cleaner Corporation

• Sipco Products, Inc.

• Smith & Loveless

• Solaronics

• Solve Needs International

• Sonics & Materials

• Spaceguard Products