Google Sitemaps Title

Hi,
I am trying to find a setting within google to override the title tag. When i type in a keyword in the results i get the title tag i have displayed in the code. However when i type just my company name into google i get the company name appearing in the title. Comparing this to my competitors i can see this is not right. Im guessing their is a manual setting in Google which is over riding this?? I cant see anything in Google Webmaster??

Any help would be greatly appreciated

there is not one

Any suggestions what the issue could be, im lost??

When i type in a keyword in the results i get the title tag i have displayed in the code

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I take it you mean your domain page title and description is displayed in the SERPS

when i type just my company name into google i get the company name appearing in the title

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This is what google calls a snippet pulled from your page

http://www.youtube.com/watch?v=vS1Mw1Adrk0