I had these folks do my VFR/IFR cert on my RV-10 a few years ago over at KOZW. http://preferredavionics.com/
I was quite impressed that they knew the operation of my Garmin G3X panel and their pricing was fair IMHO.
RV-10: #41686 Under Construction
RV-9A: #90949 Under Construction
RV-10: #40637 Completed/Sold 2016
Cozy MKIV:#656 Completed/Sold 2007
"Donor Exempt" but donated through Dec. 2021