Please help - need to replace AG Pool

I have what I believe to be a 21' round Aquasports AG pool (it was installed by previous home owner and I found manual). Is Aquasports, Inc. still in existence? I searched the web and cannot find a homepage. Reason I would like keep the same manufacturer is because there is a wrap-around railing and attached swim platform that I would like to re-use. I am not sure if these items are compatible with another manufacturer's pool.

I would appreciate anyone's advice, and thank-you in advance.

Is there a phone number in the manual that you might could try?

Janet