Celestica Inc. is an American-Canadian multinational design, manufacturing, hardware platform, and supply chain electronics manufacturing services (EMS) company headquartered in Toronto, Ontario.

In April 2001, the company announced it was laying off 3,000 people, about 10% of its workforce, due to the dot-com crash.

[6] On June 29, 1998, Celestica began its initial public offering (IPO) and agreed to sell 20.6 million shares at a price of US$17.50.

[7] In 2021, Celestica committed to the UN Global Compact corporate responsibility initiative and its principles in the areas of human rights, labor, the environment, and anti-corruption.

The goals promote strategies to address poverty, inequality, climate change, environmental degradation, peace, and justice.