YJ

What YJ does

YJ Sign Inc., doing business as YJ Sign, is a privately held structural engineering firm founded in 1980 and headquartered in Agua Dulce, California, that specializes in engineer-stamped permit documentation for commercial signage, canopies, and awnings across North America. The firm holds professional engineering licensure in 49 U.S. states (all except Alaska) and four Canadian provinces (Manitoba, Ontario, Alberta, Saskatchewan), enabling single-source stamping for national multi-site programs. Core deliverables include permit drawings, sealed structural calculations, and shop drawing review and stamping for sign types spanning channel letters, wall signs, pylon signs, monument signs, blade signs, awnings, and specialty structures such as kiosks and ATM shrouds, with a typical three-day turnaround and 24-hour client response commitment.

The firm operates with a team of 15 professionals leveraging 20+ years of specialized experience and 45+ years of firm history, combining structural analysis (wind, seismic, snow, dead and live loads) with CAD drafting to produce digital-stamp PDF deliverables. Revenue is generated through project-based professional services fees that are quote-driven and vary by sign type, complexity, and jurisdiction; minor pre-stamp revisions are included at no additional cost. Customer segmentation is horizontal, serving local SMB sign shops, mid-market design studios and fabricators, enterprise national brand chains running multi-site rollouts, and licensed contractors (C-45, ESC, LSC, LSI, S-A) with state-specific installation licensing requirements. Go-to-market is direct, via toll-free phone, dedicated email inboxes (info, quote, accounting), a JotForm-based online quote request, and a self-serve Monument Estimate Tool on yjinc.com.

Name

YJ

Legal name

YJ Sign Inc.

Website

https://yjinc.com

Company type

Private

Founded year

1980

Operating status

Operating

Short description

YJ Sign Inc. is a California-based, 15-person structural engineering firm founded in 1980 that delivers PE-stamped permit drawings, shop drawing review, and structural calculations for commercial signage, canopies, and awnings across 49 U.S. states and four Canadian provinces.

Ownership category

akta.pro rank

Product category

Structural Engineering Services

NAICS

Sign Manufacturing (33995), Sign Manufacturing (339950)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Engineering design services (line design, substation design, civil/structural) (EUADAKAG)

Keywords

• Structural sign engineering
• Permit drawing services
• Shop drawing stamping
• Canopy awning engineering
• Commercial signage design

Headquarters

HQ city

San Francisco

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Sign Engineering Services: Project-based professional engineering services for commercial signage including structural calculations, permit drawings, and stamped engineering documentation. Revenue generated through per-project fees based on sign type, complexity, and geographic location requirements.
2. Shop Drawing Review and Stamping: Review and stamping services for fabrication shop drawings. Engineers examine structural adequacy, code compliance, and constructability, then provide professional engineer's stamp required for building permits. Typical 3-day turnaround with rush services available.
3. Canopy and Awning Engineering: Structural engineering services for commercial canopies and awnings providing calculations and sealed drawings for building permits. Includes analysis of wind loads, structural frames, foundations, and attachment details.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

YJ Sign Inc. provides structural engineering services for commercial signage, including permit-ready stamped drawings, structural calculations, and code-compliant documentation for signs, canopies, and awnings. Services are delivered by licensed professional engineers covering channel letters, wall signs, pylon signs, monument signs, blade signs, and specialty structures across 49 U.S. states and several Canadian provinces. The firm also offers shop drawing review and stamping for fabricators, and a self-serve online monument sign estimation tool.

Product overview

YJ Sign Inc offers a unified suite of sign engineering services focused on structural engineering and permit-ready documentation for commercial signage across North America. The core offering centers on Stamped Sign Engineering and Permit Drawings, complemented by specialized Canopy & Awning Engineering and Shop Drawing Review & Stamping services. The company provides engineering for various sign types including Channel Letters, Wall Signs, Pylon Signs, Monument Signs, Blade Signs, and Specialty Structures (kiosks, ATM shrouds, clearance bars), supported by an online Monument Estimate Tool for preliminary sizing calculations. Services are delivered by licensed professional engineers with licensing across 49 U.S. states and several Canadian provinces, with typical turnaround times of three days for stamped documents.

Differentiator

Problem solved

Functional benefit

Products and services

• Permit Drawings & Services
• Stamped Sign Engineering Professional engineer-stamped structural drawings for commercial signage including monument signs, pylon signs, wall-mounted displays, and channel letters, meeting local building codes and permitting requirements across 49 U.S. states and Canadian provinces. Sold to sign contractors, fabricators, design studios, and national brand programs.
• Canopy & Awning Engineering Structural engineering for commercial canopies and awnings including stamped calculations and sealed drawings for building permits, covering entrance canopies, freestanding canopies, walkway covers, and fabric awning structures with analysis of wind uplift, snow loads, and lateral pressures. Sold to sign contractors, fabricators, and property owners.
• Shop Drawing Review & Stamping Expert review and professional engineer stamping services for fabrication shop drawings, verifying structural adequacy, code compliance, and constructability for signs, canopies, and specialty structures across North America with typical 3-day turnaround. Sold to sign fabricators and contractors.
• Monument Estimate Tool Online estimation tool for monument signs that calculates pipe type, pipe size, footing depth, footing diameter, and concrete requirements based on sign dimensions, wind speed, and pole configuration. Offered as a self-serve resource to sign contractors, fabricators, and design studios.

Quantifiable outcome

• 3-day typical turnaround for stamped engineering documents
• +2 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators6 records

Recent moves4 records

Expansion highlights3 records

Broad incumbents

• YESCO: One of the largest sign manufacturers and sign service companies in North America, with internal structural engineering capabilities supporting large-scale national programs. Comparable in serving the same enterprise national-brand-rollout customer segment that YJ supports with stamped engineering.
• Stantec: International engineering, architecture, and environmental services firm with a structural buildings practice serving commercial developers. Comparable professional engineering services model, though YJ's specialization in signage and canopies is much narrower than Stantec's full-service practice.
• Kimley-Horn: Engineering, planning, and consulting firm with strong structural and site civil practices serving commercial real estate and retail development clients. Comparable in producing permit-ready stamped engineering documentation for commercial construction projects.
• WSP: Global engineering and professional services firm with a substantial structural engineering practice supporting commercial buildings, facades, and architectural structures. Comparable in delivering stamped structural engineering for commercial construction, though at far larger scale and broader scope.
• Federal Heath Sign Company: National sign manufacturer and signage services provider serving retail, hospitality, and petroleum customers with turnkey signage programs across multiple U.S. geographies. Comparable in providing end-to-end sign solutions including stamped engineering for multi-site rollouts.
• Image National: Full-service sign manufacturer and installer with national reach serving enterprise customers with multi-location signage programs. Comparable in serving national brand chains and franchise customers with consistent sign engineering and execution across jurisdictions.

Emerging players

• Selbert Perkins Design: Wayfinding and signage design consultancy that partners with structural engineers for stamped permit documentation. Comparable as an adjacent player in the commercial signage engineering value chain serving enterprise customers.

Others

• CRL: Major supplier of architectural hardware, glazing, and signage mounting systems serving sign fabricators and contractors. Comparable as an ecosystem supplier to the same downstream sign contractor customers that YJ serves with engineering services.

Regional players

• Crane Renovation Group: Commercial sign installation and renovation services company serving regional markets. Comparable as an ecosystem participant in the commercial signage value chain that relies on stamped engineering documentation for permit submission.
• Sign Productions: Mid-size sign manufacturer and installer with in-house engineering capabilities primarily serving regional markets. Comparable in delivering stamped sign engineering for commercial projects, though with narrower geographic reach than YJ's national footprint.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/YJ_Inc
• Facebookfacebook.com/yjinc
• LinkedInlinkedin.com/in/yjinc
• Instagraminstagram.com/@yjsigninc

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about YJ