Intel Corporation, 2200 Mission College Boulevard, Santa Clara, California, 95054, United States
Intel
Wikipedia[1][2] dates the first Broadwell chips (Core M 5Y10, 5Y10a, 5Y70) to September 5, 2014; 17 mobile CPUs followed January 5, 2015 and two desktop chips June 2, 2015.
After yield problems on Intel's 14 nm process, Broadwell shipped as the Core M on September 5, 2014, with mobile parts on January 5, 2015 and just two desktop chips on June 2, 2015, led by the Core i7-5775C with 128 MB eDRAM ($366).