Build one, sell one. Most are owned by the wealthy as a family car, by a business as a pick up truck, or most commonly by an individual who rents it to a driver who uses it as a taxi. The largest manufacturer is a company called Sarao, located near Paranaque. Here's an example of the extremes in ornamentation and accesssorization on some jeepneys. Thanks to Jon Paulsen for the overview of the jeepney.
Further information is welcomed.
For a selection of other jeepney photos from the web, see Randy's Jeepney Collection . MDJuan Enterprises is a manufacturer of replacement steel Jeep bodies in the Philippines. See more Jeeps Around the World . Also on The CJ3B Page, see some Toy Jeepneys .