Hi guys - the letters and numbers are Plastruct, the ones on the building are the 5/64" letters (airbrushed) http://www.plastruct.com/pages/OnlineProductDetail.lasso?-op=%27eq%27&CCode=PABT-2 And the ones on the big sign are the 5/32" (PABT-4). Didn't need to airbrush those as they come white