Whistle While You Work

These three companies are among the best-known makers of whistleblower software. Prices depend on how customized a system is and the number of users, but they typically start at $1,000 per month.

• Allegiance (formerly SilentWhistle)

  www.allegiance.com
  South Jordan, Utah
  Number of customers: 200
  Recently completed merger; now expanding product line

• EthicsPoint

  www.ethicspoint.com
  Portland, Oregon
  Number of customers: 900
  Founded by a group of forensic accountants

• Global Compliance Services

  www.globalcompliance.com
  Charlotte, North Carolina
  Number of customers: 1,500
  Also helps customers write formal codes of conduct