Coke-Plant–1024×768@2x June 6, 2017 Return to: In one Pennsylvania steel town, steelworkers are protecting the legacy | Medill News ServiceFull resolution (2048 × 1536) Image navigation Previous Image Clairton Plant is largest coke manufacturing facility in the United States. The plant produces approximately 4.3 million tons of coke annually. (Xiumei Dong/MNS)