What is HDA's NAICS code?

HDA's NAICS code is 54131 (Architectural Services).

Insights

Scale and Reach HDA has a national footprint with projects across 44 states and a construction value exceeding $3 billion, indicating potential for large-scale architectural and planning collaborations beyond local markets.

Diverse Market Focus Experience across beverage distribution, industrial, auto dealerships, mixed-use, hospitality and multi-family suggests opportunities to offer tailored design and master planning services to related sectors and define repeat partnerships.

Sustainability Pioneering HDA’s history of LEED certified projects (including first LEED Certified office in St. Louis and first LEED Silver Lexus dealership) signals strong alignment with green building certifications and sustainability-led design revenue streams.

Service Quality & Values Core values of quality, professionalism, creativity, can-do attitude and integrity position HDA as a reliable partner for complex projects requiring high service standards and collaborative execution.

Growth Indicators Revenue in the modest range and a track record of over 250 industrial projects and 180 beverage facilities suggest upsell opportunities in existing sectors, cross-selling design services, and entering adjacent markets with scalable studio capabilities.

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HDA Tech Stack

HDA uses 8 technology products and services including AutoCAD, Amazon Web Services, Wix, and more. Explore HDA's tech stack below.

AutoCAD
Cad & Graphics
Amazon Web Services
Cloud Hosting
Wix
Content Management System
WordPress
Content Management System
Microsoft 365
Email
Google Cloud
Infrastructure As A Service
HubSpot
Marketing Automation
Piwik
System Analytics & Monitoring

HDA's Email Address Formats

HDA uses at least 3 email formats:

HDA Email Formats	Example	Percentage
FLast@hdai.com	JDoe@hdai.com	94%
Last@hdai.com	Doe@hdai.com	3%
First.Last@hdai.com	John.Doe@hdai.com	3%

Frequently Asked Questions

What is HDA's phone number?

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

+1-636-449-****

. 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 HDA's stock symbol?

HDA is a publicly traded company; the company's stock symbol is HDAVX.

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

HDA's official website is hdai.com and has social profiles on LinkedIn.

How much revenue does HDA generate?

As of September 2026, HDA's annual revenue is estimated to be $1M - $10M.

What is HDA's SIC code and NAICS code?

HDA's SIC code is 8712 - Architectural Services and NAICS code is 54131 - Architectural Services.

How many employees does HDA have currently?

As of September 2026, HDA has approximately 70 employees across 4 continents, including North America, Africa and Asia. Key team members include Sales Manager: A. B., Project Manager: J. R. and Principal: J. G. Explore HDA's employee directory with LeadIQ.

What industry does HDA belong to?

HDA operates in the Architecture and Planning industry.

What technology does HDA use?

HDA's tech stack includes AutoCAD, Amazon Web Services, Wix, WordPress, Microsoft 365, Google Cloud, HubSpot and Piwik.

What is HDA's email format?

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

When was HDA founded?

HDA was founded in 1986.

HDA

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

HDA's official website is hdai.com. HDA has social profiles on LinkedIn.

Q: How many employees does HDA have currently?

HDA has approximately 70 employees.

Q: What technology does HDA use?

HDA's tech stack includes Lodash, Google Analytics, Webpack, prettyPhoto, Bootstrap.

Architecture and PlanningMissouri, United States51-200 Employees

HDA is a mid-sized architectural, interiors and master planning firm based in Chesterfield, Missouri, founded in 1986. It serves a broad mix of markets, including beverage distribution, industrial and distribution, adaptive reuse, office and commercial, auto dealerships, multi-family, mixed-use, hospitality, retail, entertainment and craft breweries. To date, the firm has designed more than 100 million square feet of space across 44 states, with a construction value exceeding $3 billion.

The firm has contributed notable LEED-certified projects, such as the first LEED Certified office building in St. Louis and the first LEED Silver Certified Lexus dealership in the United States. Its work is guided by core values of quality, professionalism, creativity, a can-do attitude and integrity.