OWC 8GB PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 Memory Module Upgrade Compatible with iMac, Mac Mini, and MacBook Pro (OWC1600DDR3S8GB) at Amazon.com
OWC Offers 16GB RAM Upgrade for New Mac Mini, For $1400 - MacRumors
OWC Memory
6GB Memory for 2007-2008 MacBook Pro, MacBook, and iMac
OWC has prepared RAM upgrades for the 27-inch 2019 iMac already - NotebookCheck.net News
OWC Mac Pro (Late 2013) RAM upgrade for photographers - Camera Jabber
16GB Memory Upgrade for MacBook Pro, iMac, and Mac mini
Amazon.com: OWC 64GB (4 x 16GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with 27" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S64S) : Everything Else