Supply chains already had to contend with high demand, growing port congestion and manufacturing delays going into 2021. Rising COVID-19 cases, extreme weather events and the blockage of the Suez Canal this year only created more challenges.

Companies were left scrambling for alternate suppliers after Vietnam's major manufacturing hub shuttered factories in response to a jump in COVID-19 cases. Hurricane Ida and a February deep freeze in Texas rippled through the petrochemical supply chain, disrupting production of resins, plastics and other materials used in everyday products. Plus, terminal closures and the Ever Given being stuck for nearly a week in the Suez Canal further delayed cargo shipments and exacerbated congestion.

Here's a look back at some of the top disruptions that hamstrung supply chains in 2021.