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Technology — North Liberty
North Liberty's technology history is a utilities-and-one-plant history. The wire arrived as a business, electricity followed as a business, and the town's one large modern works runs a single industrial technology — aluminium extrusion — at national-company scale. No computer was first built or programmed here, no famous firm's name hides work done elsewhere under this town's name, and this section prints those boundaries as carefully as the substance.
First signals: the wire and the current, carried as businesses
The telephone and electric course
The town's first-signal record is a business record, and this section keeps it at that size. Telephone and electric service came to North Liberty as enterprises — exchanges, lines and light plants whose founding, ownership and…
The founding works of the modern town: aluminium extrusion at 400 South Main
Sapa North Liberty → Hydro Extrusion USA, to November 2026
The town's anchor technology is extrusion — aluminium billet forced through dies into the profiles the building and transport trades build with. The businesses leg carries the plant whole: the modern anchor at 400 South Main…
The boundaries: computing firsts, famous names, and the modern layer
Tests run November 2026
Three required tests keep this section honest. The computing test: no first computer, computing centre or first computerised product seated in North Liberty was found — negative; the county's computing firsts belong to its…