Cresko Srl - http://www.fibreglassflagpole.com/
Italian based flag manufacturers that create and design flags for both indoor and outdoor use. Service worldwide.
Flag Display Guidelines - http://www.proadvance.com/flagdisplay.html
One page that describes the correct etiquette to use when flying a flag. Includes information on hoisting the flag and how it should be displayed.
Flags of the World: Guam - http://flagspot.net/flags/gu.html
Information on the national flag of Guam in addition to other flags that are used within the country.