We've used
Shade Works of Texas for two homes.
Alan Gruzins is the owner and he's always been a great guy to do business with.
This was just instsalled on our back patio last Friday. The opening is just a bit over 20ft and the height about 10ft.
Not cheap - about $7K which included installation and electrical.
The
manufacturer says up to 30ft width for residential so that would eliminate the need for a column.

Edit to add: Last home we did screens in 2015 and took bids from Alan, Dropshade, and Southwest Shade. He wasn't the cheapest but he just came across as the guy to go with if spending that much money. I'm sure the others would have been fine too - they've all been in business for years.
Covid is hurting many of the manufacturers because they can't get raw materials.