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Sustainable Supply Chain

Delivering sustainability at every step

As part of our commitment to society, our people, and the planet, Calix reviews the sustainability practices of its supplier partners.

We aspire to contribute positively to the world and realize the tremendous opportunity to formalize our commitment to driving value in our industry, our customers’ communities, and globally.

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Our partner in sustainability

Calix collaborates with Ecovadis, the world’s most trusted provider of business sustainability ratings. 

The EcoVadis evaluation includes 21 sustainability criteria across four core themes. Environment, Labor and Human Rights, Ethics and Sustainable Procurement. These evaluations are used to provide priorities and drive continuous sustainability improvement across our supply chain.

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The EcoVadis evaluation

Four core sustainability themes


We monitor the entire life cycle of products and impacts from production processes and product use through end-of-life.

Labor and human rights

We expect our suppliers to provide evidence of their focus on employee health and safety, acceptable working conditions, training, diversity, and equity.


Our supplier contracts clearly set expectations in regard to corruption, anti-competitive practices, and responsible data management.

Sustainable procurement

We audit our suppliers annually on environmental and social procurement practices.

Our commitments

We make commitments in three focused areas

Leadership and compliance

Calix relies on Suppliers to determine how to meet, demonstrate, and integrate their compliance with this Code. Calix expects Suppliers to apply the Code’s principles to continuous improvement efforts aimed at advancing performance over time.

Read Supplier Code of Conduct

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Continuous improvement

At Calix we embed Sustainability in all Supply Chain & Sourcing processes, from onboarding to continuous performance reviews and audits.

  • Quarterly Supplier reviews related to sustainability goals and overall performance metrics are scored and reviewed. These factors have full consideration for new awards of business.
  • On-site Supplier audits are conducted annually by our Quality team.
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  • Our supply chain and sourcing managers are required to take sustainability training and are encouraged to educate themselves and bring ideas and solutions forward.
  • Our suppliers have access to EcoVadis Academy and are encouraged to use the tools available to continuously drive improvement in sustainability. Focusing on assessing their environment, labor and human rights, company ethics, and sustainable procurement themes.
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