Women represent only one in five members at S&P 500 companies, according to a report released Tuesday by consulting firm PwC.
PwC asked the men on these boards about adding women as members, and in many cases the answer was, in effect, "we don't see a need."
The firm surveyed 884 public company directors on a broad array of issues.
Eighty-three percent of respondents were men, "closely aligning with the gender distribution of public company directors," the report said.
Here are some of the findings: