Originally Posted by Gipper
Dont know of anyone specific in Merida, but if you might be able to find one in the industrial area at the airport, there will be Aerospace fabricators with aluminum welding gear.
I don't think the Mexican "aerospace" program is headquartered at the airport in Merida.
Area Cincuenta y Uno is actually some place else.
All kidding aside, a visit to a welding supply store will lead you to the best aluminum welder in the area. Practice your Spanish by asking for, "El tipo mas chingon con el TIG". They don't do a lot of Pemex fabrication in Merida, you will find that in Ciudad del Carmen (no, not Playa del Carmen, but Ciudad del Carmen in Campeche), you might have passed it on your way to where you are. You might find the welding supply center easily, Merida has a couple of astilleros (shipyards) a little ways outside on the coast.
Shipyards have some very good welders. Also, any good marine repair center should have someone very good with the TIG set up.
Garage door companies also do a lot of that work in their fabrication areas.
If all else fails, call this number for Miller Welding in Merida (999) 1 - 24 - 30 - 88
and ask if they can help you out with a recommendation. They carry TIG gear, if you don't speak Spanish, get someone to make the call for you. Yucatecos are friendly people, even if they have large square heads LOL!