So entering 61126 (with or without the 1963) in Google Maps points you to Harrison Avenue, in Rockford, IL (presumably, this is because it's the main street of Rockford, which is the city that contains ZIP code 61104). What's at 1963 Harrison Avenue?
https://maps.google.com/maps?q=1963+...RPB2IZlC5wXyCA
Bearings, V-belts, roller chain drives? Sounds like robot parts to me!
I tried something similar with the 3rd set of numbers, but there's no Street View in that area... Maybe someone can go there?
https://maps.google.com/maps?q=15806...s+62326& z=15