Training magazine recently recognized Pharmaceutical Product Development (PPD) as one of the leading U.S. businesses for employee learning and development, according to a press release.

For the fourth consecutive year, Training magazine has included PPD on its Training Top 125 list. The list honors companies demonstrating favorable results and effective employee learning development, the release stated. PPD, based in Wilmington, is a biopharmaceutical research company specializing in drug development and laboratory services.

“In earning a spot on the 2015 Training Top 125, PPD proved its commitment to, and achievement of, effective training and employee development tied to corporate strategic goals,” Lorri Freifeld, editor-in-chief of Training magazine, said in the release. “Furthermore, PPD provided evidence of its training programs' significant return on investment and contribution to increased employee engagement and retention.”