Answers vary but this source says 3500 to 4000 ISPs
http://askville.Amazon.com/ISPs-United-States/AnswerViewer.do?requestId=524267
and this one says at least 7000
http://pcworld.about.com/magazine/2306p080id120341.htm
I don't mean to come off harsh or anything, but this question is kind of silly. It's like asking what's the distance of infinity.
113
119 which ??
One can find the lists of broadband ISPs on ISPreview website. Few examples of broadband ISPs in the UK are: XILO, AAISP, ICUK, SurfAnyTime, and Aquiss.
principals offered by Isps to connect to the internet
The International Ship and Port Facility Security Code (ISPS Code)
An internet service provider is a company that offers it's customers access to the internet. ISPs can offer internet through cable, DSL, dialup, Fiber Optics, and even satellite. Many ISPs also offer cable/satellite tv, and phone along with the internet connection. Some of the more well known ISPs are: AT&T:DSL Qwest:DSL Earthlink:Dialup Verizon:DSL/Fiber Optics Hughestnet:Satellite Road Runner:Cable
ISPs obtain address blocks from registry organizations.
Don't know the exact answer but from the last census a while ago the penetration rate was over 90% in Toronto.You have the most ISPs available within Toronto from big ones such as Bell to small third-party ISPs such as IVC Telecom
Commercial ISPs
There are a number of different nationwide ISPs offered by different companies. Some of those companies include Verizon, Intergate, and AT&T's U-Verse.
Yes, you are in luck. I highly recommend ISPs if you are interesting in business web hosting. This is a highly respected organization and they are known for their professionalism.
You can check with the various ISPs in your area. Typically ISPs will offer varying levels of service. There is a price difference depending on the speed you want.