A local aviation company founder and CEO said his biggest challenge when starting his firm in 2012 was getting access to capital to properly run the business. That’s not a problem anymore. Tag Aero, a Winter Garden-based aviation material supplier, is well on its way to $10 million in revenue this year, up from $2 million revenue in 2013. The company’s secret? Finding a niche market to supply its material. CEO Myles Thomas said while the aerospace industry seems to be taking off in Florida’s Space…