There are a few tour companies that offer river cruises. One company is Sandals, and another is River Quests. These both have a few options for river cruises.
The following are some companies that offer China cruises: Vacations To Go, Silversea, China Tour Tailor, Holiday China Tour, Thecruiselines, and Uniworld.
Viking River Cruises offers tours worldwide. You can take tours of Europe, Asia, and Africa. Among the rivers you can tour are the Danube, Nile, Rhine, & Seine.
There are several operators that offer mini cruises. However Thomas Cook is one of the largest tour operators in the world and they do offer mini cruises for fair prices. Cruisedirect is a good choice too.
Many different Canadian tour companies will offer ski holidays to Austria to customers. Some of these Canadian tour companies include CATO and Canada Tours.
Fivr Star tours do not offer cruises. They are a site seeing tour bus. They do have a bus that will take you to the charter if you do find yourself taking a cruise. I would highly recommend checking out what all they have to offer.
Tour operators combines tour and travel to create a holiday. The airline companies provide from airport to hotel upto island cruises. They organize also a large group meetings and seminars.
Companies that offer travel and tours of places.
A number of companies offer travel group tour vacations to Egypt. Some of these companies include 'Blue Sky Travel', 'Intrepid Travel', 'Olympic Holidays' and 'Travel Republic'.
There are seven tour companies which offer Grand Canyon tours in Las Vegas, Nevada. Each company offers different tour packages at diffe rent price levels.
http://www.cruisealaska.com/ This site offers all kinds of packages and rates for cruises to Alaska, as well as tour packages. There appears to be a plethora of sites offering competitive pricing.
Some popular cruise lines that offer an Alaska tour are : Flemming Tours & Cruises,Inc.(http://www.flemmingtoursandcruises.com/);Holland America Line(http://www.hollandamerica.com/) AND Alaska By Sea (www.alaskabysea.com/alaska-cruise-faq.php)
Tauck is a company that offers specialty tours. Some examples might be small ship cruises, river cruises, Grand Canyon tours, and various other escorted tours. You can find a complete list of Tauck tour offering at www.tauck.com.