We use a company out of Atlanta with local crews in DFW and Houston but its more for production building.
www.carterandclark.com
Given all that is going on, you probably could wait a week or two and get a much lower price. The work in new construction and in the resale market is coming to a screaming halt. And surveyors and appraisers have been busy as heck for the last few years.
May want to look through some other threads on here as there are a couple of surveyors who post.