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I deal with some regional businesses, and I've created some specific content pages focused on location-related phrases, e.g. "Widget Repair Services in Seattle, Washington". Include the business location words (e.g., Tacoma, Seattle, Washington, etc.) on all of the site pages, too. Google in particular likes to link to individual pages for odd word combos, so be prepared for weird searches like "widget repair shop authorized acme Seattle".
I've also done many sites & pages with a regional focus. Try to make sure you weave the keywords into you copy in a natural sounding way. You may (or may not) get decent rankings with "We are the widget repair seattle leader offering widget repair seattle deals and widget repair seattle specials." But you'll turn off the visitors that you do get.
I've found that case studies, testimonials & client references are an excellent way to target regional search phrases. Maybe have a couple pages talking about recent widget repair projects.
Good luck,
rmjvol