What is Structural Design, Inc.'s NAICS code?

Structural Design, Inc.'s NAICS code is 237 (Heavy and Civil Engineering Construction).

Insights

Scaling with SDI SDI specializes in light gauge steel shop drawings for a wide range of projects nationwide and holds Professional Engineer registrations in over 30 states, with capability to service all 50 states through expert consultants. This indicates receptiveness to expand engagements across new markets and larger project scopes.

Cross-State Expertise With PE registrations across more than 30 states and the ability to provide design services nationwide, there is a strong opportunity to partner on multi-state, standardized design projects, appealing to firms seeking consistent quality and compliance across jurisdictions.

Diverse Project Fit SDI’s experience ranges from single-story retail to high-rise commercial and multi-family residential, plus light gauge steel and aluminum components and wall panel detailing. This breadth supports upsell opportunities into additional structural disciplines and value-engineered solutions for complex builds.

Tech-Enabled Delivery The firm’s use of 3-D modeling, AutoCAD, and other digital tools suggests efficiency and accuracy in design delivery. Prospects can be positioned to benefit from fast turnaround, clash detection, and BIM-enabled coordination on large-scale projects.

Financial Stability Current revenue range of 10 to 25 million indicates a mid-market contractor-engineering firm with established client bases and repeat work potential. This supports outreach for long-term design services, ongoing shop drawing support, and staged engagements aligned with project lifecycles.

Structural Design, Inc. Tech Stack

Structural Design, Inc. uses 8 technology products and services including AutoCAD, MODX, Font Awesome, and more. Explore Structural Design, Inc.'s tech stack below.

AutoCAD

Cad & Graphics

MODX

Content Management System

Font Awesome

Font Scripts

Google Fonts API

Font Scripts

Modernizr

Javascript Libraries

Underscore.js

Javascript Libraries

Google Tag Manager

Tag Management

Apache HTTP Server

Web Servers

Structural Design, Inc. Email Formats	Example	Percentage
LastF@sdiengineering.net	DoeJ@sdiengineering.net	45%
First@sdiengineering.net	John@sdiengineering.net	37%
First.Last@sdiengineering.net	John.Doe@sdiengineering.net	18%

Structural Design, Inc. Email Formats

Example

Percentage

LastF@sdiengineering.net

DoeJ@sdiengineering.net

45%

First@sdiengineering.net

John@sdiengineering.net

37%

First.Last@sdiengineering.net

John.Doe@sdiengineering.net

18%

Frequently Asked Questions

What is Structural Design, Inc.'s phone number?

You can contact Structural Design, Inc.'s main corporate office by phone at

+1-770-642-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Structural Design, Inc.'s official website and social media links?

Structural Design, Inc.'s official website is sdiengineering.net and has social profiles on LinkedIn.

How much revenue does Structural Design, Inc. generate?

As of September 2026, Structural Design, Inc.'s annual revenue is estimated to be $10M - $25M.

What is Structural Design, Inc.'s SIC code and NAICS code?

Structural Design, Inc.'s SIC code is 8711 - Engineering Services and NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does Structural Design, Inc. have currently?

As of September 2026, Structural Design, Inc. has approximately 56 employees across 2 continents, including North America and Asia. Key team members include Chief Executive Officer: P. D., Head Of Prefab Panel Department: J. M. and Project Engineer: M. W. Explore Structural Design, Inc.'s employee directory with LeadIQ.

What industry does Structural Design, Inc. belong to?

Structural Design, Inc. operates in the Civil Engineering industry.

What technology does Structural Design, Inc. use?

Structural Design, Inc.'s tech stack includes AutoCAD, MODX, Font Awesome, Google Fonts API, Modernizr, Underscore.js, Google Tag Manager and Apache HTTP Server.

What is Structural Design, Inc.'s email format?

Structural Design, Inc.'s email format typically follows the pattern of LastF@sdiengineering.net. Find more Structural Design, Inc. email formats with LeadIQ.

When was Structural Design, Inc. founded?

Structural Design, Inc. was founded in 1997.

Structural Design, Inc.

Q: How many employees does Structural Design, Inc. have currently?

Structural Design, Inc. has approximately 56 employees.

Q: What technology does Structural Design, Inc. use?

Structural Design, Inc.'s tech stack includes GoDaddy, Apache HTTP Server, JSON-LD, Handlebars, OWL Carousel.

Civil EngineeringGeorgia, United States51-200 Employees

Structural Design, Inc. (SDI) is a civil engineering consulting firm founded in 1997 that specializes in designing light gauge steel shop drawings for a wide range of projects across the United States. Based in Roswell, Georgia, the firm serves clients nationwide through a combination of in-house staff and expert consultants capable of supporting design services in all states. SDI’s team includes professionals skilled in structural engineering, 3-D modeling, and wall panel detailing, enabling the delivery of value-engineered, timely solutions for projects of varying complexity. The company’s work encompasses light gauge steel components, aluminum elements, and special-use structures for markets such as single-story retail, multi-family residential centers, and high-rise commercial buildings. SDI operates within the civil engineering industry, positioning itself as a versatile provider of specialized shop drawings and related structural design services. A notable recent development is the organization’s ongoing capability to provide design services nationwide through its consultants, expanding its geographic reach beyond its home state.

Insights

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