Start looking here. Click the link and check 'em out. http://www.thomasnet.com/prodsearch.html?cov=UN&which=prod&what=media+blasting
Upstate New York covers a lot of area. Around the Rochester area: Carl Babcock - Rt. 104 & Knowlesville Rd. (585) 798-8687 Rochester Steel Treating - 962 Main St., Rochester (585) 546-3348 Miller Sand Blast - 1385 Empire Blvd. (585) 654-8398
someone told me that laing isn't the greatest with sheetmetal but i'll give them a call to see whats realy up