Business PCs can be purchased either from small boutique vendors (Zoostorm, Viglen, PC Specialist, Gladiator PC, Stonegroup) or global giants (Intel, Dell, Fujitsu, Lenovo, HP, Asus, Acer).
For the sake of simplicity, we'll exclude [a] second-hand refurbishers or overseas outlets [b] workstations and thin-client PCs [c] Chromeboxes or Android-based ones.
Other than looking at the budget and at the viability of desktops (as compared to laptops), businesses should first evaluate their compute, storage, networking needs before deploying a new fleet of desktop PCs.
Then there's a myriad of variables that they need to consider depending on their existing IT ecosystem: what legacy software will be used? Is your equipment ISV-certified? What peripherals will connect to the computers? Where will they be located? Does it need to be on 24/7? How eco-friendly does it need to be? Etc.