I was, until recently on a BOI Visa that was good for 2 years and they'd renew it along with a 2 year Work Permit. When there was a change of guard the bullshit became even more putrid/stupid/whatever...'can we have your factory floorplan', can we have your location, can we have your orders/quotations..something different every week that took time out of a busy schedule...OK, WP and Visa issued. 4 weeks later, not done...can we have your floor plan. All total crap to annoy. Off I went to Suvannakhet, same day got an 'O' based on marriage. Off to Siem Reap, handed in my passport to a travel agent after getting a Business visa in Bkk (single entry), got 13 months with nothing but a smile from the agent. 4 days later, passport returned with the visa.
Now, at any time, just drive over the border in to Cambodia for a few days in Siem Reap and none of this other crap that's starting to rear it's ugly head.
Yes, must leave Thailand every 90 days..but with small stamps not filling a page, I find it more enjoyable living here.
And stick BOI fair up their arse.