Insights

Regional reach SDL operates a multi-office footprint in Nashville, Atlanta, Charlotte, and Bangalore, with registered engineers in 46 states plus DC and territories, indicating strong capability to win nationwide and international structural projects.

Diverse portfolio With experience across commercial, healthcare, government, education, sports, residential, resort, retail, and industrial sectors, SDL is positioned to pursue cross-sector opportunities and expand into markets with growing project pipelines.

Legacy credibility Founded in 1966 and boasting over 55 years of design, evaluation, and retrofit expertise, SDL can leverage its deep project history to target clients seeking proven structural engineering partnerships and retrofit specialists.

Technical stack Utilizing tools like Microsoft Azure, MySQL, and specialized platforms suggests SDL can offer scalable, data-driven design and collaboration capabilities, appealing to clients prioritizing efficiency and modern tech-enabled delivery.

Growth signals Operating in the mid-market revenue band with a 51-200 employee base and a broad geographic reach positions SDL to pursue mid-size to large projects, particularly where regional firms seek established national coordination and multidisciplinary support.

Similar companies to SDL

SDL Tech Stack

SDL uses 8 technology products and services including Google AdSense, Wix, Wix eCommerce, and more. Explore SDL's tech stack below.

Google AdSense
Advertising
Wix
Content Management System
Wix eCommerce
E-commerce
Microsoft 365
Email
Google Cloud
Infrastructure As A Service
Sentry
Issue Trackers
Microsoft Azure
Platform As A Service
Piwik PRO Core
Web Analytics

Media & News

SDL's Email Address Formats

SDL uses at least 1 format(s):

SDL Email Formats	Example	Percentage
FLast@sdlal.com	JDoe@sdlal.com	93%
Last@sdlal.com	Doe@sdlal.com	6%
First.Last@sdlal.com	John.Doe@sdlal.com	1%

Frequently Asked Questions

What is SDL's phone number?

You can contact SDL's main corporate office by phone at

+1-615-320-****

. 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 SDL's stock symbol?

SDL is a publicly traded company; the company's stock symbol is MSDL.

What is SDL's official website and social media links?

SDL's official website is sdlal.com and has social profiles on LinkedIn.

How much revenue does SDL generate?

As of July 2026, SDL's annual revenue is estimated to be $10M - $25M.

What is SDL's SIC code NAICS code?

SDL's SIC code is 8711 - Engineering Services NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does SDL have currently?

As of July 2026, SDL has approximately 69 employees across 5 continents, including North AmericaAsiaEurope. Key team members include Head Of Purchasing Department: R. G.Managing Partner: K. S.Project Manager: S. J. Z.. Explore SDL's employee directory with LeadIQ.

What industry does SDL belong to?

SDL operates in the Civil Engineering industry.

What technology does SDL use?

SDL's tech stack includes Google AdSenseWixWix eCommerceMicrosoft 365Google CloudSentryMicrosoft AzurePiwik PRO Core.

What is SDL's email format?

SDL's email format typically follows the pattern of FLast@sdlal.com. Find more SDL email formats with LeadIQ.

When was SDL founded?

SDL was founded in 1966.

SDL

Q: What is SDL's official website and social media links?

SDL's official website is sdlal.com. SDL has social profiles on LinkedIn.

Q: How many employees does SDL have currently?

SDL has approximately 69 employees.

Q: What technology does SDL use?

SDL's tech stack includes Cloudflare, React, Google Cloud CDN, Open Graph, Apache.

Q: What is SDL's NAICS code?

SDL's NAICS code is 237 (Heavy and Civil Engineering Construction).

Civil EngineeringTennessee, United States51-200 Employees

SDL is a civil engineering firm focusing on structural engineering consulting, offering design, evaluation, and retrofit services. Based in Old Hickory, Tennessee, it operates offices in Nashville, Atlanta, Charlotte, and Bangalore and has been active since 1966, handling projects across the United States and abroad.

The firm maintains a broad project portfolio that encompasses commercial, healthcare, governmental, education, sports and recreation, residential, resort, retail, parking, industrial, and specialty structures. Its engineers are registered in 46 states, the District of Columbia, Puerto Rico, and the US Virgin Islands, signaling a wide geographic footprint and capability to work with diverse clients. SDL functions as a full-service structural engineering partner for developers, owners, and public entities seeking design, evaluation, and retrofit expertise.