Thanks for the responses of recommend arborists! Here are the ones I've received (in no particular order): Brett Czarnecki, Arborist - Treemasters - (412) 370-2133‬ - treemasterspghpa@gmail.com - used to live in Highland Park Mark Pearce. Senior arborist for city of Pgh. Works with skilled crew and great job cleaning up afterwards. - 412-600-7088 - Treedoc7@verizon.net Twisted Timber Tree Service <https://www.facebook.com/TWISTEDTIMBERTREELLC/?__tn__=kC-R&eid=ARA5flnhnthnvcCeEnA0AeWPueZ5rGe6oDM-O4_YEl4lWKh7uXFdE4OH25LiKEoRYVEm7xreEEXu4JH4&hc_ref=ARQrI-MP4i6LpohKvetv-3nByWe6jpwNwyYTGMCNepyYB1aDOHZON4G7L9xeBxHA5sc&__xts__%5B0%5D=68.ARDmFm_Cdq7tuEibogz5U9vWPZjKG1zLNTwV5cUPOl5QHSgwBNlffcVpL24wZ0HSXJNW6Rgx4ruJfTaZpzWZC5WQbsk6Bjq052XT5_7WTj8O_orXMEp4oY9tEi9uW2hTxIwfhFn9CSMQkwAysajKUo6jSTfimwDGNtcG8tId3VoMEJyMYkwmPeIYtdYhkjPyNKXMdS-2EuEM9Sga16-3wt2f> - (878) 302-2251 Blystone Davey Trees http://kruljactreeservices.com/index.html Bradley T. Schwartzmier - schwartzmierbt@gmail.com --- Thanks