Under PPP, London Underground is still publicly owned, but private companies were appointed to maintain and upgrade the infrastructure and support services.

BBC: Transport Committee

This often means that local elites usurp a disproportionate share of those resources, and that individuals have little incentive to maintain and upgrade forests or agricultural land.

ECONOMIST: Local difficulties

Investor concerns about the companies boiled over earlier this month when Mr. Jacobson accused Digital Realty of underreporting what it will cost to maintain and upgrade properties and equipment.

WSJ: Data-Center REITs Lose Favor

Like many other bright ideas that emerged during the dot.com boom, it has taken more money and time to implement than originally expected, but it remains a cheaper option than trying to maintain and upgrade existing, balkanized communications networks.

FORBES: New Radio Could Revolutionize Combat for U.S. Forces

But, to meet the needs of a growing economy, we must maintain, upgrade, and expand that infrastructure.

WHITEHOUSE: Share This Post

They can still rely on the services of an information technology firm to upgrade and maintain their system, as well as provide security.

FORBES: The Bittersweet Challenges Of Being Netsuite

The Trademark Office has traditionally been a profit center and its big political issue has been fighting to retain all the fees it collects so that it can upgrade and maintain its own operations, rather than having its surplus shipped back to Congress to pay for green energy subsidies, or something.

FORBES: Gang Green: Rules Are Tightening. Don't Say Green If You Don't Mean Green.

Multi-function printers are becoming popular with enterprises as they provide combined multiple functions such as printing, fax, photocopying, scanning etc. and as companies upgrade to the new line of printers, we can expect this division to maintain profitability.

FORBES: HP's Earnings: Restructuring And Weak PC Market Will Be A Drag