This isn't an exhaustive list, but you should add new prefixes to it before
using them to avoid name-space collisions.
-abilis Abilis Systems
abcn Abracon Corporation
+abilis Abilis Systems
active-semi Active-Semi International Inc
ad Avionic Design GmbH
adapteva Adapteva, Inc.
atlas Atlas Scientific LLC
atmel Atmel Corporation
auo AU Optronics Corporation
+auvidea Auvidea GmbH
avago Avago Technologies
avic Shanghai AVIC Optoelectronics Co., Ltd.
axis Axis Communications AB
embest Shenzhen Embest Technology Co., Ltd.
emmicro EM Microelectronic
energymicro Silicon Laboratories (formerly Energy Micro AS)
+engicam Engicam S.r.l.
epcos EPCOS AG
epfl Ecole Polytechnique Fédérale de Lausanne
epson Seiko Epson Corp.
fsl Freescale Semiconductor
ge General Electric Company
geekbuying GeekBuying
-GEFanuc GE Fanuc Intelligent Platforms Embedded Systems, Inc.
gef GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+GEFanuc GE Fanuc Intelligent Platforms Embedded Systems, Inc.
geniatech Geniatech, Inc.
giantplus Giantplus Technology Co., Ltd.
globalscale Globalscale Technologies, Inc.
ibm International Business Machines (IBM)
idt Integrated Device Technologies, Inc.
ifi Ingenieurburo Fur Ic-Technologie (I/F/I)
-iom Iomega Corporation
img Imagination Technologies Ltd.
infineon Infineon Technologies
inforce Inforce Computing
intel Intel Corporation
intercontrol Inter Control Group
invensense InvenSense Inc.
+iom Iomega Corporation
isee ISEE 2007 S.L.
isil Intersil
issi Integrated Silicon Solutions Inc.
+jdi Japan Display Inc.
jedec JEDEC Solid State Technology Association
karo Ka-Ro electronics GmbH
+keithkoep Keith & Koep GmbH
keymile Keymile GmbH
kinetic Kinetic Technologies
kosagi Sutajio Ko-Usagi PTE Ltd.
lenovo Lenovo Group Ltd.
lg LG Corporation
linux Linux-specific binding
-lsi LSI Corp. (LSI Logic)
lltc Linear Technology Corporation
+lsi LSI Corp. (LSI Logic)
marvell Marvell Technology Group Ltd.
maxim Maxim Integrated Products
meas Measurement Specialties
ontat On Tat Industrial Company
opencores OpenCores.org
option Option NV
+ORCL Oracle Corporation
ortustech Ortus Technology Co., Ltd.
ovti OmniVision Technologies
-ORCL Oracle Corporation
oxsemi Oxford Semiconductor, Ltd.
panasonic Panasonic Corporation
parade Parade Technologies Inc.
pericom Pericom Technology Inc.
phytec PHYTEC Messtechnik GmbH
picochip Picochip Ltd
+pixcir PIXCIR MICROELECTRONICS Co., Ltd
plathome Plat'Home Co., Ltd.
plda PLDA
-pixcir PIXCIR MICROELECTRONICS Co., Ltd
-pulsedlight PulsedLight, Inc
powervr PowerVR (deprecated, use img)
+pulsedlight PulsedLight, Inc
qca Qualcomm Atheros, Inc.
qcom Qualcomm Technologies, Inc
qemu QEMU, a generic and open source machine emulator and virtualizer
sharp Sharp Corporation
si-en Si-En Technology Ltd.
sigma Sigma Designs, Inc.
+sii Seiko Instruments, Inc.
sil Silicon Image
silabs Silicon Laboratories
+silead Silead Inc.
+silergy Silergy Corp.
siliconmitus Silicon Mitus, Inc.
simtek
-sii Seiko Instruments, Inc.
-silergy Silergy Corp.
sirf SiRF Technology, Inc.
sis Silicon Integrated Systems Corp.
sitronix Sitronix Technology Corporation
startek Startek
ste ST-Ericsson
stericsson ST-Ericsson
+summit Summit microelectronics
+sunchip Shenzhen Sunchip Technology Co., Ltd
+SUNW Sun Microsystems, Inc
+swir Sierra Wireless
syna Synaptics Inc.
synology Synology, Inc.
-SUNW Sun Microsystems, Inc
tbs TBS Technologies
tcg Trusted Computing Group
tcl Toby Churchill Ltd.
thine THine Electronics, Inc.
ti Texas Instruments
tlm Trusted Logic Mobility
+topeet Topeet
toradex Toradex AG
toshiba Toshiba Corporation
toumaz Toumaz
-tplink TP-LINK Technologies Co., Ltd.
tpk TPK U.S.A. LLC
+tplink TP-LINK Technologies Co., Ltd.
tronfy Tronfy
tronsmart Tronsmart
truly Truly Semiconductors Limited
tyan Tyan Computer Corporation
-upisemi uPI Semiconductor Corp.
uniwest United Western Technologies Corp (UniWest)
+upisemi uPI Semiconductor Corp.
urt United Radiant Technology Corporation
usi Universal Scientific Industrial Co., Ltd.
v3 V3 Semiconductor
xes Extreme Engineering Solutions (X-ES)
xillybus Xillybus Ltd.
xlnx Xilinx
-zyxel ZyXEL Communications Corp.
zarlink Zarlink Semiconductor
zii Zodiac Inflight Innovations
zte ZTE Corp.
+zyxel ZyXEL Communications Corp.