Getting 200 response, but also CORS error?

I am making a request to the third option on this page: http://www.groupkt.com/post/5c85b92...earch-states-and-territories-of-a-country.htm

Im getting back the response I want, but I also get a CORS error which makes no sense to me... They said they have CORS enabled

results.component.ts:28 results;state=:1 Failed to load http://services.groupkt.com/state/search/USA?text=: No 'Access-Control-Allow-Origin' header is present on the requested resource.
​

let headers = new Headers();
headers.append('Content-Type', 'text/plain');
let options = new RequestOptions({ headers: headers });
return this.http.get('http://services.groupkt.com/state/search/USA?text=cal', options)
.map(this.extractData)
.catch(this.handleError);


The only way I have been able to get around this problem is to download a chrome extension that fixes CORS. But this is a project I need to hand in, so I doubt telling someone to download an extension is going to go over so well...

Yes I have cleared browser cache.

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