I agree with Dunamis but would like to add a few things I noticed.
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you are missing a canonicalization tag on your pages. You do have issues with duplicate pages. http://www.allianceconcretepumps.com/ and http://allianceconcretepumps.com/ both lead to the same page, which Google will see as duplicate content. You can fix the issue by deciding which version of the page you prefer (the www or non www version) then adding a canonical tag to all pages.
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meta keywords are no longer used by Google. I suggest you remove that line of code.
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Your Alliance Customer Testimonials block is great. When you click on it to play the video, it takes the user to a new page that is completely blank except for the video player. It would be much better to just go ahead and let the video play on your landing page. If you were to move a visitor to another page, at least provide your normal page container (header, footer, etc) along with a button the user can click to navigate to other pages.
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Your Featured Concrete Pump image shows a javascript on mouseover, but when you click on the image nothing happens.