Computer Manufacturers:

• Apple
• Cray Inc.
• Dell Inc.
• Hewlett Packard
• Hewlett Packard Enterprise
• IBM
• Lenovo
• Oracle

Electronic Magazines:

• CIRCUIT CELLAR
• CONTROL ENGINEERING
• EDN TEST& MEASUREMENT WORLD on line
• ELECTRONIC DESIGN
• ELEKTOR
• SEA TECHNOLOGY

Infrared imaging:

• FLIR Systems

Instrumentation for measurement and control

• Agilent (life sciences, diagnostics)
• Keysight Technologies
• Instrumentation Devices srl
• National Instruments
• PCE Instruments
• Rohde & Schwartz

Miscellany

• Agenzia ADN Kronos
• Euronews
• Google
• Wikipedia

Organizations and Associations:

• Agenzia Spaziale Italiana
• American National Standard Institute (ANSI)
• British Standards Institution (BSI)
• Comitato Elettrotecnico Italiano (CEI)
• Ente Nazionale Italiano di Normazione(UNI)
• European Association for signal processing
• European Committee for Standarization
• European Patent Office
• European Space Agency (ESA)
• European Space Research Institute (ESRIN)
• European Telecommunications Standards Institute (ETSI)
• Institute of Electrical and Electronics Engineers (IEEE)
• International Electrotechnical Commission (IEC)
• International Maritime Organization (IMO)
• International Telecommunication Union (ITU)
• Istituto Nazionale di Geofisica e Vulcanologia (INGV)
• Istituto Nazionale di Ricerca Metrologica (INRIM)
• International Organization for Standardization (ISO)
• Istituto Superiore delle Comunicazioni e delle tecnologie dell' Informazione (ISCOM)
• Istituto Italiano del Marchio di Qualita' (IMQ)
• National Aeronautics and Space Administration (NASA)
• W3 Consortium
• Wireless Power Consortium

PCB Manufacturers:

• JLCPCP pcb manufactoring
• Sun Ligtht & Technologies Ltd

Semiconductor Manufacturers:

• Actel (now Microsemi SoC)
• Altera (now INTEL FPGA)
• AMI (now On Semiconductor)
• AMD
• Analog Devices
• Atmel (now MicroChip)
• Avago (Broadcom)
• Bourns
• Cypress
• Espressif
• Fairchild Semiconductor (now On Semiconductor)
• Freescale (now NXP)
• Fujitsu
• General Semiconductor (now VISHAY)
• Harris
• Hitachi Power Semiconductor
• Infineon Technologies
• Intel
• Integrated Device Technology (IDT)
• International Rectifier (now Infineon)
• Intersil (now Renesas)
• LAPIS Semiconductor
• Lattice Semiconductor Co.
• Linear Technology (now Analog Devices)
• Maxim Corporation
• Micrel (now MicroChip)
• MicroChip Technology Inc.
• Microsemi SoC (subsidiary of MicroChip)
• National Semiconductor (now Texas Instruments)
• NXP
  
• Oki(now LAPIS)
• ON Semiconductor
• Parallax
• Philips Semiconductors (now NXP)
• Renesas
• Rockwell Semiconductor and Electronics
• Samsung
• Siemens semiconductors (now Infineon)
• Silicon Labs
  
• STmicroelectronics
• Texas Instruments
• Vishay
• Zilog
• Xilinx

Software Sources:

• Adobe
• Borland
• CoffeCup Software
• Corel
• Embarcadero
• Free Pascal
• IBM
• MathSoft (now Parametric Technology Corporation)
• MathWorks
• Microsoft
• National Instruments
• Novell
• Open Office (versione italiana)
• Oracle
• Parametric Technology Corporation
• Scilab (The Free Software for Numerical Computation)