• Exitronix

• Extech Instruments

• F. P. Smith Wire Cloth Co.

• FLIR Systems

• Faber Associates International

• Falcon Lumber

• Fascut Industries

• Ferry Electric Company

• Fiberstars, Inc.

• Filtrine Mfg. Co.

• Fireye

• Fisher Controls International

• Fivecat Studio

• Flexible Lifeline Systems (FLS)

• Flowserve Corp.

• Flying Colors Painting Co.

• Frank Electric Corporation (FEC)

• Frantz: S. G. Frantz Co.

• Fred Silver & Co.

• Fryston Canada Inc.

• Fuller & d'Albert

• G L I International

• GAI-Tronics Corp.

• GEA Process Engineering

• Gantec Equipment Co.

• Gensco America