DALLAS -- AT&T* formally released its 2015 Diversity & Inclusion (D&I) Annual Report. The report confirms its position as a leader in D&I among U.S. tech companies.

Highlights of the company's D&I accomplishments as of 2015:

"At AT&T, Every Voice Matters. This report provides some of the highlights on how we bring that to life every day," said Cynt Marshall, senior vice president and chief diversity officer, AT&T. "I'm constantly inspired by our people. Our inclusive culture where Every Voice Matters allows innovation to just shine through!"

The 45-page document sets the stage with details of an intentional diversity legacy that reaches back 45 years.

The report shares unprecedented details of the company's employees and inclusive culture. It also shares its active engagement in communities, relationship with customers and commitment to collaboration with suppliers.

Recently, AT&T climbed 3 spots to No. 4 on the DiversityInc Top 50. That's above all wireless carriers and all tech companies included on this year's list. AT&T ranked No. 1 on the employee resource group, recruitment and supplier diversity specialty list.

"AT&T is a company where everyone's differences are embraced as a vital part of the business inside and out," said Marshall. "The greater our diversity and inclusive culture, the greater our potential to make a difference."

AT&T Inc. (NYSE: T)