Linux kernel for example:
By changesets
Huawei Technologies 1281 9.2%
Intel 1254 9.0%
(Unknown) 1097 7.9%
Google 917 6.6%
Linaro 837 6.0%
AMD 750 5.4%
Red Hat 672 4.8%
(None) 564 4.0%
Meta 414 3.0%
NVIDIA 389 2.8%
SUSE 333 2.4%
Oracle 318 2.3%
NXP Semiconductors 275 2.0%
IBM 260 1.9%
Renesas Electronics 224 1.6%
(Consultant) 208 1.5%
Microchip Technology Inc. 192 1.4%
Arm 187 1.3%
MediaTek 164 1.2%
Collabora 144 1.0%
By lines changed
Oracle 91852 12.0%
AMD 89761 11.7%
Google 56504 7.4%
Intel 44062 5.8%
(Unknown) 33765 4.4%
Realtek 33277 4.3%
Linaro 31234 4.1%
Huawei Technologies 27856 3.6%
NVIDIA 25441 3.3%
Red Hat 24073 3.1%
(None) 21498 2.8%
Meta 18783 2.5%
MediaTek 17599 2.3%
NXP Semiconductors 14342 1.9%
SUSE 13749 1.8%
Brocade 12154 1.6%
Microchip Technology Inc. 11651 1.5%
Pengutronix 10200 1.3%
Broadcom 8054 1.1%
Marvell 8036 1.0%