Channel Letter Signs in Philadelphia | Custom Fabricated & LED Illuminated

Martino Signs designs and fabricates custom channel letter signs for commercial storefronts, shopping centers, and multi-site brand programs across the Philadelphia region. Built in our Folcroft production facility, every letter is engineered for your specific building, brand standards, and local permitting requirements.

Used by the world's leading companies, ANd Your Neighbors

What are Channel Letter Signs?

Channel letter signs are three-dimensional, individually fabricated letters mounted to a building's exterior facade or a raceway. Each letter is constructed from aluminum — not plastic — with a formed face and returns, then illuminated with internal LED modules. Common illumination types include face-lit (standard front-glow), reverse-lit halo (light projects behind the letter onto the wall), and open-face (exposed neon or LED). They are the standard exterior identification sign for retail, restaurant, healthcare, and corporate facilities, and the most commonly specified sign type in national brand rollouts and multi-site sign programs.

Key Benefits

Why Businesses Specify Channel Letter Signs

Channel letter signs are the most-specified exterior sign type in commercial construction and brand rollouts for good reason. They are durable, code-compliant, and visible around the clock.

Lower Operating Costs with LED Illumination

LED modules use significantly less energy than legacy neon and fluorescent lamp systems, and they last far longer — reducing both utility costs and maintenance calls over the life of the sign.

Raceway-Mounted or Direct-to-Wall

Channel letters can be mounted directly to a building surface or to a raceway — a finished metal housing that conceals wiring. Raceway mounting simplifies installation on surfaces where direct penetration is not practical, including storefronts in multi-tenant retail centers.

Face-Lit, Halo, Open-Face, and Combination Styles

Different illumination types produce very different visual effects. Face-lit is clean and high-visibility. Reverse halo creates a soft glow on the wall behind each letter. Open-face exposes the light source for a retro or industrial look. We will spec the right type for your brand standards and building facade.

Built to Code, Designed for Permitting

Every channel letter sign Martino installs is designed with permitting in mind from the start. We pull permits, coordinate with landlords on sign criteria, and handle the full approval process — so you are not managing a sign company and a permit expediter separately.

Martino Signs Philadelphia creative question mark logo with stylized typography

Channel Letter Signs

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Be A StandOut Brand

Your audience constantly encounters new brands. Whether you aim to outshine competitors, support your team, or enhance your image, our signage and awning solutions can help. Request a quote or contact us with questions.

Commercial awnings for business storefronts by Martino Signs
Uses & Applications

Where Channel Letter Signs Shine

Channel letters are the default exterior identification sign across nearly every commercial sector. Here is where we install them most frequently in the Philadelphia area.

Retail Environments

Storefronts in strip centers, power centers, and mixed-use developments typically require illuminated channel letters per the center's sign criteria. We fabricate to spec and coordinate with property management on approval.

Corporate Offices

Office parks and corporate campus buildings often specify halo-lit channel letters for a cleaner, more architectural look. We work with tenants, building owners, and their architects to ensure the sign meets lease and aesthetic requirements.

Restaurants and Cafés

Restaurant signage needs to be readable from the street and visible after dark. Channel letters with LED illumination are the industry standard for full-service restaurants, QSR locations, and food halls in the Philadelphia market.

Shopping Centers

We work directly with national tenants, brand program managers, and local independents on shopping center sign packages. Our experience with sign criteria documents means fewer revision cycles and faster permit approvals.

Options, Features, and Customizations

Channel Letter Sign Types and Specifications

Not all channel letter signs are the same. The fabrication method, illumination type, material spec, and mounting approach all affect cost, visibility, and approval. Here is what to know before you specify.

Fabricated to Your Brand Standards

We match your brand's specified Pantone colors, font profiles, and letter sizing from your sign standards document — or work directly with your design team to develop specifications if you do not have them yet.

Aluminum Construction, Not Plastic

Our channel letters are fabricated from aluminum — letters that hold their shape, resist corrosion, and survive Philadelphia winters without warping or cracking. We do not use acrylic or plastic housings as a cost-cut. The material spec matters, especially for signs expected to last 10 to 15 years.

LED Module Specs and Light Output

We use commercial-grade LED modules spec'd for the illumination type and letter depth. Face-lit letters are typically lit with white or color-matched LEDs. Halo-lit signs require careful positioning to produce an even glow without hot spots. We test illumination in production before delivery.

Permitted Installation, Start to Finish

Our crews handle structural anchoring, conduit runs, and electrical connection. We pull all required permits, coordinate inspections, and do not walk away until the sign passes. For multi-site programs, we can coordinate installation crews regionally.

Martino Signs & Awnings knocked it out of the park with our wayfinding signage. Dave Jr. was professional, responsive, and got everything done with a fast turnaround. The signs look great and really improve navigation on the property. Highly recommend!

"The custom suspended signs from Martino Signs have elevated our visibility and professionalism. We couldn't be happier with the results!"

John Smith
Owner, XYZ Ltd

This is one of the best companies I've ever worked with. Response from start to finish was amazing. My salesman, Jared, was very responsive witth all my questions and followups for everything... GREAT COMPANY!

John Smith
Owner, XYZ Ltd
Custom commercial signage installation by Martino Signs
Project Spotlight: Children's Museum of Discovery

Transforming Spaces with Custom Signage Solutions

Our innovative signage solutions helped the Children’s Museum of Discovery create a bold, inviting entrance that draws in families and sparks curiosity. This featured project showcases the perfect mix of creativity, durability, and functionality to match the museum’s playful spirit.

AboUT The Client

The Children’s Museum of Discovery inspires curiosity and creativity through interactive exhibits, engaging programs, and colorful spaces where families explore science, art, and culture together.

Project Highlight

A vibrant, custom-designed sign package that blends playful design with high visibility—perfectly capturing the museum’s mission to engage and inspire young minds.