Choose a company (preferably a dealer) that has a proven record and a good BBB rating. If a company has been in business 10 years plus, chances are they will still be there in a few years after your project is complete. Make sure they deal in everything you are looking for, and don’t go for the “I can get it” routine. An experienced tradesman, specializing in what you want done is what you need, not someone learning on the job.
If a company is a dealer, they will not only have an office, but also a showroom carrying their product on display for you. You will be able to see, touch, probe every product and ask questions about it. This will help you make an informed decision, which in turn will make you feel better, having done your homework.
Start with companies that have their own facilities, but also check on how long they’ve had a facility. Look at lots of before and after photographs and protect yourself because talk is cheap.