Our readers, who leave no corner of the globe untraveled in the name of work, voice their opinions on the best airlines, airports, and hotel chains

There's no substitute for knowledge gained through experience, and intelligence right from the source is what you can expect in our eleventh annual Business Poll. Our readers who travel for business, evenly split between men and women, continue to be authorities in the field of corporate globe-trotting: A quarter spend two months or more on the road each year, and a tenth travel overseas more than five times per annum for business. That's why we call on them—and why you can rely on their time-tested wisdom—to divine which hotels have the best rooms for working in, which airlines provide the best cabin service, which airports promise the easiest connections, and more. Read on, and you'll know too.

U.S. Hotel Chains The Four Seasons, Silicon Valley's PrinterOn service lets guests print documents at the concierge desk from laptops anywhere in the hotel.

Peninsula, which has eight hotels in the United States and Asia, plans to open its ninth property on the Bund in Shanghai in 2009.

U.S. Airports At Portland's PDX, 28 solar panels have been added to the canopy between the terminal and the parking garage, and restaurants collect used oil and grease to be converted into biodiesel.

At perennial winner Changi Airport, in Singapore, the new Terminal 3 opened earlier this year; it handles more than 900 scheduled flights weekly.

Transpacific Routes—Business Class A new Singapore Airlines all-business-class flight between LAX and Singapore debuted in August 2008, on the heels of the all-business-class Newark-Singapore nonstop that launched in May 2008.

Emirates is the first airline to offer service to and from the United States on the Airbus A380, with its New York-Dubai service, which began operation in August 2008.

U.S. Routes—Business/First Class Based in San Francisco, Virgin America started flying in August 2007, travels to seven cities in the Lower 48, and has a frequent-flier program based on dollars spent on airfare rather than miles flown.

Thanks to an expanded code-share agreement with Northwest Airlines in 2008, Midwest Airlines now services more than 100 cities across the country.