The following companies make magnetic car signs: Sign 4 Vans, The Sign Builder, Signazon, Printing Xpert, Sign Warehouse, HFE Signs, Build A Sign, Merchant Article, Sign Brisbane.
There are several companies good at making business signs such as www.nationalsigns.com/ or www.signtronix.com/.
There are numerous places to have magnetic signs made. Your best bet would be to check your local yellowpages under signs and give one of the a call for a quote.
There are numerous websites that specialize in making magnetic business signs that will offer the information/services you need. Websites such as signazon and signsrus all specialize in this area.
Esigns is a very interesting and usefull website that can be used to make all sorts of signs. They offer all sorts of signs like yard signs, magnetic signs, or A-frame signs. If Esigns is still not exactly what you are looking for, TheSignChef will definitely fit all your needs.
Some companies that make car banners include the websites, Build a Sign, Banner Banana and Fast Signs. Along with car banners they make things like custom car magnets, regular yard signs, and much more.
There are several companies who are able to do this for you. You can search these locally. Ensure you are aware of the dimensions you require and check reviews.
Companies that will make a custom color banner are Signs Now, Signazon and eSigns. Each of these companies provide customers with many different options for fully customizing their banners.
Buildasign and Makesigns are good options for this sort of work. Each of these companies has its own website and plenty of options for creating your magnetic sign.
To make or use gestures.
Target and Ikea both make plastic signs.Target and Ikea both make plastic signs.Target and Ikea both make plastic signs.Target and Ikea both make plastic signs.Target and Ikea both make plastic signs.
An electromagnet produces magnetic energy when an electric current flows through its coil, creating a magnetic field around it.
One can look at custom sign making companies for a retail sign. For example, sign companies such as Fastsigns can make retail signs unique to the person's business.