A mitre saw with a carbide blade works fine for cutting aluminum.
A cheap $39 Harbour Freight drill press should be able to drill the ends.
Now all you'll need are two tap drills, two taps, some WD-40 , and a tap wrench.
The total cost for all of the above would be about $175.00.
You could also place an RFQ (request for quote) right here on the Zone.
I'm sure that one of the members would give you a good deal.
An easy job if you have the right tools.
If you do decide to buy your own taps, don't buy one of the cheap tap & die sets. They're useless.