Mann Signs Inc. offers a variety of different types of interior and exterior letters, which allows us to provide our customers with a wide range of options for their signage needs. Celtec letters have become very popular over the years because of their simplicity and affordability. We use the latest technology and the highest quality paints to make these signs in a variety of different letter styles and shapes. These signs can be mounted directly on a wall or on a background panel, and they work well in both interior and exterior settings. If you are looking for interior or exterior letter signage, call Mann Signs Inc. today!