Johnson Bros. Metal Forming Co. - Berkeley, IL (Serving Eastern Pennsylvania)
Manufacturer, Custom Manufacturer, Service Company
Manufacturers, metal radar array & support: framing, support profiles, channels, bent parabolic radii along lengths. 2,000ft. min. All metals: prefinished/plain. Age hardening aluminum. Inline punching.
www.JohnsonRollForming.com

Warren-Knight Instrument Co. - Philadelphia, PA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of radar components such as vertical transits & data recording tracking or positioning theodolites. Capabilities include fabricating parts to tight tolerances & secondary processes such as anodizing, plating, heat treating, welding & glassmaking. Applications include surveying, scientific & engineering projects. Markets served include the military, research institutes & commercial industries.
www.warrenknight.com/

Kandel Electronics, Inc. - Oreland, PA
Distributor, Custom Manufacturer
Purchase; Sales; Rentals; Repairs; Consignment; Reconditioned RF/DC Diagnostic, Test, Measurement Equipment HP, Tektronix, Fluke, Keithley, Wavetek

L-3 Communications, Electron Devices - Williamsport, PA
Manufacturer, Custom Manufacturer
Designs & Manufactures Broadcast IOT's (Inductive Output Tubes), CEA's (Constant Efficiency Amplifiers) & Thyratrons. Also, TWT's (Traveling Wave Tubes), Mini-TWT's, Klystrons, Magnetrons, CFA's (Cross-Field Amplifiers) & Linac Devices For Medical Applications

General Atronics Corp. - Wyndmoor, PA
Manufacturer, Custom Manufacturer
Systems