A group of Amazon's working mothers, calling themselves Momazonians, are demanding day care.

About 1,800 women want the company to provide back up day care when regular child care arrangements fall through, according to Bloomberg.

The Momazonians are appealing to Chief Executive Officer Jeff Bezos for day care that could help parents and the company when school closures, flu outbreaks and other emergencies arise.

Bloomberg reviewed emails that showed the group of working moms has been collecting anecdotal evidence that purports to show the lack of day care support has hurt the careers of talented women who might otherwise be promoted.

The Momazonians are scheduled to meet with senior managers in the coming weeks to plead its case.

In addition to asking for back-up day care, the women will ask human resources to start collecting data about day care challenges via interviews with incoming and departing employees.

Amazon said it provides valuable benefits on the first day of employment to 250,000 U.S. workers, including flexible parental paid leave, memberships and discounts at day care centers and "comprehensive fertility benefits," in an emailed statement to USA TODAY.

"At Amazon, everyone, regardless of their position, level or tenure, has access to the same benefits — there are no tiers, and no employee is more important than another," the company said. "When creating benefits, we focus on efforts that can scale to help the largest number of individuals, and work in partnership with our employees to ensure that what we are building offers meaningful support."

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