While there isn’t a definitive ranking of tech companies leading in diversity and inclusion worldwide, here are ten renowned tech companies that have been recognized for their efforts in promoting diversity and inclusion:

1. Salesforce: Recognized for its diverse workforce and inclusive culture, Salesforce is committed to achieving equality for all employees.

2. Google: Google focuses on creating an inclusive workplace and aims to hire people from diverse backgrounds, striving to address social and economic disparities.

3. Microsoft: Known for its commitment to diversity and inclusion, Microsoft has various programs and initiatives to promote a diverse workforce and inclusive culture.

4. IBM: IBM believes in diversity and inclusion as a strategic business imperative and has been a leader in creating an inclusive workplace.

5. Intel: Intel has been actively working towards fostering diversity and inclusion, setting goals to increase representation and promoting inclusive practices.

6. Adobe: Adobe strives to create an inclusive environment where diversity thrives, and it actively works on gender diversity and pay parity.

7. Cisco: Cisco is dedicated to building an inclusive culture and has several initiatives promoting diversity, inclusion, and equality within the organization.

8. Dell Technologies: Dell is committed to fostering diversity and inclusion, with initiatives like the Women in Action program, which focuses on gender diversity.

9. LinkedIn: LinkedIn emphasizes diversity and inclusion by promoting various Employee Resource Groups (ERGs) and initiatives encouraging equality.

10. Facebook: Facebook has made efforts to promote a diverse workforce and inclusive environment, with initiatives like the Diverse Slate Approach and unconscious bias training.

It’s important to note that diversity and inclusion initiatives can vary over time, and the ranking may differ based on specific criteria used.