Add Google Maps with multiple locations and custom markers.
That is one of my oldest customers he is a nice guy. After 10 Years I gived him an free upgrade to a new style. Thant is not easy has a very nice ranking in google for all of his pages but I think it will work.
I used the theme: Framework and Locations Map Addon
The style is nice and very modern / yes I know but he want the white background behind his logo it was not my idea :-)
His Company is one of the oldest in Stuttgart (Germany) he has running his familly business since over 90yrs in 5th generation now. This guy have a very special laundry service for the best hotels in Stuttgart and the biggest companys like Daimler. Also the US Military from the base is a partner from them. They do a lot for young designers and they helped me with my first project for them.