WHOLESALE MANUFACTURING • MUSKEGON HEIGHTS, MICHIGAN

SIGN MANUFACTURER FOR SIGN COMPANIES

Direct wholesale partner to sign shops, commercial electrical contractors, and qualified trade buyers. Dependable fabrication for companies that own the customer relationship—precision welded frames, illuminated channel letters, custom cabinet extrusions, and certified electrical wiring.

01 / UL-48 LISTED TRADE BUILDINGS

02 / PRECISION CNC and MIG Welding

03 / HEAVY EXTRUDED PROFILE INVENTORY

04 / REINFORCED CRATING FOR FREIGHT

WHOLESALE FABRICATION SUPPORT

Products Built for the Trade

Sign Cabinets Inc. is a Michigan-based wholesale sign manufacturer serving sign companies and qualified trade buyers that need dependable fabrication support.

From our shop in Muskegon Heights, we build products for customers who understand the sign process, own the end-customer relationship, and need a manufacturer that can help turn a defined project into a buildable product.

Our core work centers on wholesale channel letters and wholesale sign cabinets, with supporting capabilities for illuminated cabinet systems, push-through cabinet signs, cut-to-size cabinet kits, sign faces, and changeable-copy options. If you are comparing wholesale sign manufacturers for repeat trade work, this site is designed to help you quickly find the right product path and submit a complete quote request.

A CLEAR WHOLESALE ROLE

Built for Sign Companies, Not Retail Sign Installation

We are a sign manufacturer for sign companies. That means our role is fabrication, not replacing your relationship with your customer. Established regional sign companies are the preferred fit, and qualified electrical contractors, construction-related buyers, and other experienced trade customers may be served case by case.

Most customers handle the end-customer sales process, graphics, permitting, installation, site engineering, and field electrical hookup. We can discuss constructability, requested power exit, switch location, packaging, and practical manufacturing questions, but we do not market the company as a turnkey retail sign shop or installation provider.

SALES
GRAPHICS
PERMITS
INSTALLATION
FIELD HOOKUP

Our goal is to support your production needs while respecting your customer channel. If confidentiality or project sensitivity matters, tell us early so the concern can be handled appropriately within the quote and production process.

SELECT A PRODUCT

Channel Letters and Sign Cabinets Are the Core Paths

Channel letters and sign cabinets are the two core product paths. Each product page explains the available configurations and information needed for an accurate quote.

Front-lit, reverse-lit or halo-lit, raceway-mounted, and direct-mounted letters

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Channel Letters

Wholesale front-lit and halo-lit channel letters engineered for durable outdoor performance and clean visual impact.

Front-lit standard and reverse-lit halo options
Raceway-mounted and direct mounting systems
Solid acrylic faces preferred over vinyl
SCI-designed custom aluminum raceway profiles

Single-face, double-face, illuminated, non-illuminated, wall, pole, monument, and pylon applications

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Sign Cabinets

Replacement and new sign faces, protective covers, and changeable-letter systems built to precise dimensions.

Flat, pan, and available embossed options
White polycarbonate faces and clear vandal covers
Changeable-copy systems with key-lock vandal covers
Acrylic channel and aluminum push-through faces

LED-preferred lighted sign cabinet systems, with fluorescent available by request

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Illuminated Sign Cabinets

Electric sign cabinets featuring high-efficiency LED illumination, internal wiring, custom power-exit placement, and factory power-up testing.

LED preferred, fluorescent available by request
In-house wiring and pre-delivery testing
Customer-specified power exit and switch locations
Eligible for in-house-wired UL sign labels

Routed aluminum faces with acrylic projecting through the face

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Push-Through Letter Signs

Custom architectural signs featuring routed aluminum faces with precision-projecting acrylic letters and graphics.

Routed aluminum face, about 1/8-inch thick
Acrylic letters projecting through face openings
Hinged retainer and door service assemblies
Customer-supplied AI or EPS vector compatibility

Raw cut-to-size aluminum pieces for customer assembly

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Cabinet Kits and Components

Cut-to-size and mitered raw aluminum cabinet components supplied for trade assembly without faces, electrical, or finish.

Raw aluminum cut and mitered to size
Bolt-together or weld-together assembly choices
SCI slide and hinge corner reinforcement systems
Buyer-supplied face, electrical, and finish

Flat faces, pan faces, routed aluminum faces, vandal covers, and changeable-copy options

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Sign Faces

Single-face, double-face, illuminated, non-illuminated, wall, pole, monument, and pylon applications built with welded aluminum extrusion frames.

Welded aluminum bodies
Quality, industry-standard, UL-Listed components
Mill finish or custom powder-coated colors

SELECT A PROOF POINT

Manufacturing Proof Without the Hype

Sign Cabinets Inc. has roots dating to 1986 and is led by hands-on technical ownership. The shop is intentionally small, practical, and quality-focused. Customers work with people who understand how the product is quoted, laid out, fabricated, wired, inspected, packaged, and shipped.

SCI-designed aluminum profile systems

A key difference is our use of Sign Cabinets Inc.-designed heavy-duty aluminum profiles for slide cabinets, hinged cabinets, and channel-letter raceways. These profile systems are produced for SCI by an aluminum extruder and are used as part of our cabinet and raceway construction approach.

In-house fabrication and electrical work

Confirmed in-house capabilities include CNC routing, cutting and mitering aluminum profiles, welding, sheet-metal forming, face cutting, channel-letter fabrication, electrical assembly, wiring, power-up testing, inspection sign-offs, and packaging. Finished electrical products are built for qualified field hookup by the customer or installer.

Quality and UL program boundaries

We maintain an active UL sign-manufacturing program for eligible finished electrical products, subject to documented product eligibility and current UL scope. Customer-wired kits cannot receive a Sign Cabinets Inc. label because SCI must wire and inspect eligible electrical products in-house. Learn more about our manufacturing, quality, and UL process.

REGIONAL PRIORITY • NATIONWIDE WHOLESALE SHIPPING

Michigan Relationships, Nationwide Wholesale Shipping

As a Michigan wholesale sign manufacturer, our relationship priority is Michigan and the surrounding two-to-three-hour region. That includes the kind of repeat trade work where communication, pickup or delivery planning, and practical project knowledge matter.

Qualified wholesale signage work can also ship throughout the United States. The shipping method depends on the size, product type, packaging requirements, unloading conditions, and destination. Customer pickup is available, Sign Cabinets Inc. personally delivers within Michigan’s Lower Peninsula when practical, and larger products may ship by common carrier.

For timing, deposits, shipping expectations, and order workflow, review ordering, lead times, and shipping before submitting a complex request. Existing customers can also make a deposit or balance payment using the project, quote, or invoice reference supplied by Sign Cabinets Inc. Payment does not by itself approve an order or specification.

PROJECT INFORMATION

How to Start a Better Quote

A complete quote request helps reduce back-and-forth and protects the schedule. For most products, useful starting information includes:

READY TO SUBMIT?

Request Your Estimate

Straightforward, well-specified cabinet requests can often be quoted quickly. More complex or incomplete projects may require additional review before pricing.

BUYER QUESTIONS

Frequently Asked Questions

Who does Sign Cabinets Inc. sell to?

We primarily sell to established sign companies that need a wholesale sign company for repeat fabrication support. Qualified contractors and experienced trade buyers may be served case by case.

Does Sign Cabinets Inc. install signs?

No. Customers normally handle installation, permitting, site engineering, graphics, and field electrical hookup. We manufacture the sign product and prepare eligible electrical work for qualified field connection.

Do you ship wholesale signs nationwide?

Yes, qualified wholesale work can ship throughout the United States. Michigan and the surrounding region remain the relationship priority, and shipping method is confirmed by quote.

What information is needed to start a quote?

Start with product type, dimensions, quantity, illumination, face, finish, mounting or application details, destination, timing, and any drawings or artwork. Product-specific quote forms collect more detail.

Can a retail sign buyer request a referral?

Yes. Retail visitors should use contact and referral requests. A referral may be possible when enough project information is provided, but a partner is not guaranteed in every market.

CHOOSE THE NEXT PATH

Start With the Right Path

ENGINEERED CATALOG

Product Path

If you need channel letters, sign cabinets, illuminated cabinet systems, kits, faces, or push-through letter signs from a wholesale electrical sign manufacturer, start with the product page that matches your project. If you already know what you need, send the quote details from the Contact page and files so our team can review the request.

COMMERCIAL DIRECT

Company or Quote

For company history and ownership background, visit About Sign Cabinets Inc. For pricing on an active project, use the Request a Quote page.