Warren Sign is the largest and most experienced sign company in the metro Saint Louis area with over 90 years of experience. We are driven by the loyalty of our ever returning customer base and new clientele seeking quality products – all designed, manufactured, installed and serviced by skilled union craftsmen vested in pride of workmanship.

Warren Sign is conveniently located in Arnold Missouri, a suburb of Saint Louis.  With a facility of over 40,000 square feet of industry leading manufacturing space, we provide the highest quality signs backed by our worry free warranty.

Because you wouldn't let just anyone sign your name.


A quality sign is an investment that represents your company name or logo. Made from the finest materials & paints, your sign quietly and powerfully communicates important nonverbal messages about your company. In short, a high-quality sign represents a high quality company.

Warren Sign Company's mission is to produce the finest quality signs anywhere, giving it’s clients the best image and value for years of lasting service.

Top 5 Signs of Quality

If you need a sign and have never before purchased one, here is a quick primer to help you better navigate the process.

Things You Should Know About Signs

A lot of Quality goes into every sign from Warren Sign Company.
Your sign is the first communication your company sends to everyone that arrives at your facility. It is not just text that spells out your company name, but a visual centerpiece and symbol of everything your company stands for. It tells a non-verbal story of who you are, what you represent, and where you're going, all at a single glance.
See what we're talking about – See samples of our work.

The importance and convenience of simplicity – everything you need from a sign company, under one roof.

Our talented design team specializes in giving you a top design firm quality identification. We can design your business logo from scratch or take your existing logo and branding to create extraordinary signs your clients will surely remember. With 30 years experience in the art department, you can rest assured we can give your business the award winning design that it deserves.

Our 100% Union craftsmen have dedicated their careers to building the very best signs, and take great pride in the detail and workmanship that make up every job we produce. To take a tour of our facility, click here.

Bigger sometimes is better, especially when it comes to boom trucks for installing signs! Warren Sign Company has the largest installation fleet of trucks in the area, allowing us better reach, higher levels of safety, and quality install jobs that are smooth sailing from the moment of leaving our factory to the second you first flip the switch and turn it on!

This is where we create customers for life. When you need service for your sign, we know you need it quick, and you need it to look just like it did before the wind blew that tree down on it! This is truly where our many years of sign expertise come into play, so your sign can look like new, whether it's a repair, refurbishing or an upgrade. 


Because You Wouldn't Let Just Anyone Sign Your Name ™