Ralph Culloden McDonnell, 59, founding partner of Southern California-based manufacturers rep firm Westmark Enterprises Inc., died March 31, 2005, of cancer. He began his plumbing career in 1968 at Pioneer Plumbing Supply in Phoenix. In 1976, he relocated his family to Southern California and was a national sales manager for Rapid Fit Enterprises. In 1982, he started Westmark with partner Roger Peterson.

He is survived by his wife, Nancy, and two daughters, Mindy and Katie.