Couldn't be more wrong about Ford, on several points. When you say "manufactured" do you mean "assembled", or something else? Ford owned factories still active in the United States of America include:
- Buffalo Stamping, Buffalo, NY, 918 employees. Makes Quarter Panels, Body Sides, Rear Floor Pan, Rear Doors, Roofs, front doors, hoods.
- Chicago Assembly, Chicago, IL, 4,239 employees. Assembles Taurus & Explorer.
- Chicago Stamping, Chicago Heights, IL, 1,335 employees. Body panels.
- Cleveland Engine Plant No.1, Brook Park, OH, 1,607 employees. 3.5 EcoBoost engines. 3.7 Duratech engines.
- Dearborn Engine, Dearborn, MI, 459 employees. 2.0 and 2.3 engines. Fuel tanks.
- Dearborn Truck Plant, Dearborn, MI, 4,363 employees. Ford F-150. Ford Raptor.
- Dearborn Stamping, Dearborn MI, 1,942 employees. Body parts for F-150, Escape, Superduty, Mustang, Focus, Expedition, Navigator.
- Dearborn Tool and Die, Dearborn, MI, 261 employees.
- Dearborn Diversified, Dearborn, MI, 803 employees. Frames, axles, suspension parts, tire & wheel.
- Flat Rock Assembly Plant, Flat Rock, MI, 3,251 employees. Ford Mustang, Lincoln Continental.
- Kansas City Assembly, Claycomo, MO, 7,465 employees. Ford F-150 & Ford Transit.
- Kentucky Truck Assembly, Louisville, KY, 5,091 employees. Ford F-250 thru F-550, Super Duty, Ford Expedition, Lincoln Navigator.
- Lima Engine, Lima, OH, 1214 employees.
- Livonia Transmission, Livonia, MI, 1,600 employees. Produces 6R and 10R transmissions.
- Louisville Assembly, Louisville, KY, 4,705 employees. Ford Escape, Lincoln MKC.
- Michigan Assembly, Wayne, MI, 3,691 employees. Ford Focus, Focus Electric, C-MAX Hybrid and Energi.
- Ohio Assembly, Avon Lake, OH, 1,817 employees. Ford E-Series, F-650/750, Super Duty Cutaway/Chassis.
- Rawsonville Parts, Ypsilanti, MI, 795 employees. AIS, COP, TOP, sequencing, batteries, fuel pumps, carbon canisters.
- Romeo Engine, Romeo, MI, 527 employees. 4.6, 5.8, 6.2, 5.0 engines.
- Sharonville Transmission, Sharonville, OH, 1,628 employees. Ford 6R140 transmissions. Gears for 6R80, 6F35, 6F50/55 transmissions.
- Sterling Axle, Sterling Heights, MI, 2,151 employees. Front & Rear axles, gears.
- Van Dyke Transmission Plant, Sterling Heights, MI, 1,427 employees. Ford 4F27E, 6F50, 6F55, 6F35 and HF35 transmissions. Stampings.
- Woodhaven Forging, Woodhaven, MI, 71 employees. Ford 5.4 V8 parts, 6.8 V10 parts.
- Woodhaven Stamping, Woodhaven, MI, 474 employees. Body panels.
I researched this list, accurate as of 2/2017 as far as I can tell. Also, by definition, in addition to the United States facilities above, "American made" includes all of North America... where Ford employs an additional 4,000 people in Canada alone.