I think Lumex120 or HPSM250R2 would be able to offer you some assistance with that.
Generally I think you'd have to seek out a distributor in your area, particularly one that will be able to order a single luminaire for you with a custom config (compared to the quick ship commonly order configs). Not all distributors will do custom orders for you or even sell to individuals so you might have to search around.
I believe for AEL you can try
searching here. Acuity is the parent company of AEL so any of their distributors should be able to order AEL products.