- AC Infinity
- Active Tech Electronics
- Adafruit
- Adda
- Altronix
- American Electrical
- Amidon
- Amprobe
- Anderson Power Products
- Arlington
- Atmel
- AVF Inc
- B&W International
- Belden
- BK Precision
- Blonder Tongue
- Blue Line
- BusBoard
- Bussman
- C&K
- Caig Labs
- Calrad
- Canakit
- Canare
- Chemtronics
- Chip Quick
- Cinch Connectivity
- Circuit-Test
- Connexica
- Cooper Wiring Devices
- Cotek
- CTS
- Dals
- Deltron
- Digiflex
- DSC
- Duracell Procell
- DYMO Rhino
- ECG
- Eclipse
- Edsyn
- Elenco
- Elink
- Erem
- Excelta
- Flir
- Fluke
- Furman
- GC Electronics
- General Cable
- Gertboard
- Grayhill
- GSN
- Guard
- Hakko
- Hammond
- Hammond Rack Basics
- Hammond.
- Honeywell
- Ibex
- Ideal
- Infinity
- Kester
- Keysight
- Kocom
- Kuma
- Lenline
- LKG Philmore
- Locus Engineering
- Marinco
- Marr
- Meanwell
- Metrovac
- MG Chemicals
- Microchip
- Middle Atlantic
- Mode
- Molex
- MTP
- Mueller
- Multicomp
- Neutrik
- NewerTech
- Nichia
- NTE
- NTE Electronics
- NTE Electronics.
- Omron
- Osepp
- OWI
- P3
- Panavise
- Papst
- Parallax
- Pelican
- Pico
- Piher
- Plano
- Platinum Tools
- Platt
- Pomona
- Pro-Linear
- Prolinear
- Proto-Pasta
- Provision
- Provo
- Pulsar
- RadioShack
- Raspberry Pi
- Rean
- Reed
- RPE
- Samlex
- Schmartboard
- Schurter
- SCS
- Seco-Larm
- Seeed
- Selecta
- Shure
- Snap Circuit
- Solarbotics
- Sound Acoustics
- Southwire Tools
- Spark Fun
- Sparkfun
- Startech
- Tempo Communications
- Triplett
- Tripplite
- Uni-T
- Velleman
- Veroboard
- Vise Grip
- Vision Lighting
- Volex
- Weller
- Wiha
- Wonder Workshop
- Woods
- Xantrex
- Xcelite
- XYZ Printing
- Zeroplus