What is Hartshorne Plunkard Architecture's NAICS code?

Hartshorne Plunkard Architecture's NAICS code is 54131 (Architectural Services).

Insights

Strategic partnerships Hartshorne Plunkard Architecture collaborates with external firms on notable projects (Newcastle Limited partnership and Goettsch Partners collaboration on One Chicago), indicating openness to co-design opportunities and channel partnerships that can be leveraged for joint-bid pursuits.

Mid-market scale With 51-200 employees and revenue in the 25M-50M range, Hartshorne Plunkard sits in a mid-market niche that often seeks scalable design and project management solutions, making them a strong target for expansion of services like BIM coordination, sustainable retrofit programs, and PMO support.

Sustainability focus The firm highlights green, sustainable, historic preservation, and mixed-use expertise, presenting opportunities to offer carbon accounting, LEED consulting, energy modeling, and resilient design services to deepen project engagement.

Tech-enabled A tech stack including AutoCAD, SketchUp, WordPress, Adobe Creative Suite and analytics tooling suggests readiness for digital collaboration, 3D visualization, and content marketing services, plus potential for expanding BIM, VR walkthroughs, and data-driven design proposals.

National reach Practicing nationally from a Near North Chicago studio, HP A demonstrates a broad geographic scope and capability to support multi-site or city-scale projects, creating sales opportunities in broader markets and cross-sell of interior, planning, and renovation design services.

Similar companies to Hartshorne Plunkard Architecture

Gensler
8.5K$1B - $10B
Goettsch Partners
73$25M - $50M
Adrian Smith + Gordon Gill Architecture
78$25M - $50M
HOK
3.1K$1B - $10B

Hartshorne Plunkard Architecture Tech Stack

Hartshorne Plunkard Architecture uses 8 technology products and services including iCIMS, AutoCAD, SketchUp, and more. Explore Hartshorne Plunkard Architecture's tech stack below.

iCIMS
Applicant Tracking Systems
AutoCAD
Cad & Graphics
SketchUp
Cad & Graphics
WordPress
Content Management System
Microsoft 365
Email
jQuery
Javascript Libraries
Adobe Creative Suite
Visualisation Software
Piwik PRO Core
Web Analytics

Media & News

Hartshorne Plunkard Architecture's Email Address Formats

Hartshorne Plunkard Architecture uses at least 4 email formats:

Hartshorne Plunkard Architecture Email Formats	Example	Percentage
FLast@hparchitecture.com	JDoe@hparchitecture.com	86%
Last@hparchitecture.com	Doe@hparchitecture.com	10%
FMiddleLast@hparchitecture.com	JMichaelDoe@hparchitecture.com	3%
FirstL@hparchitecture.com	JohnD@hparchitecture.com	1%

Frequently Asked Questions

What is Hartshorne Plunkard Architecture's phone number?

You can contact Hartshorne Plunkard Architecture's main corporate office by phone at

+1-312-226-****

. 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 Hartshorne Plunkard Architecture's official website and social media links?

Hartshorne Plunkard Architecture's official website is hparchitecture.com and has social profiles on LinkedIn.

How much revenue does Hartshorne Plunkard Architecture generate?

As of August 2026, Hartshorne Plunkard Architecture's annual revenue is estimated to be $25M - $50M.

What is Hartshorne Plunkard Architecture's SIC code and NAICS code?

Hartshorne Plunkard Architecture's SIC code is 8712 - Architectural Services and NAICS code is 54131 - Architectural Services.

How many employees does Hartshorne Plunkard Architecture have currently?

As of August 2026, Hartshorne Plunkard Architecture has approximately 66 employees across 2 continents, including North America and Europe. Key team members include Partner: T. B., Principal; Director Of Planning: T. H. and Office Manager: F. R. Explore Hartshorne Plunkard Architecture's employee directory with LeadIQ.

What industry does Hartshorne Plunkard Architecture belong to?

Hartshorne Plunkard Architecture operates in the Architecture and Planning industry.

What technology does Hartshorne Plunkard Architecture use?

Hartshorne Plunkard Architecture's tech stack includes iCIMS, AutoCAD, SketchUp, WordPress, Microsoft 365, jQuery, Adobe Creative Suite and Piwik PRO Core.

What is Hartshorne Plunkard Architecture's email format?

Hartshorne Plunkard Architecture's email format typically follows the pattern of FLast@hparchitecture.com. Find more Hartshorne Plunkard Architecture email formats with LeadIQ.

When was Hartshorne Plunkard Architecture founded?

Hartshorne Plunkard Architecture was founded in 1987.

Hartshorne Plunkard Architecture

Q: What technology does Hartshorne Plunkard Architecture use?

Hartshorne Plunkard Architecture's tech stack includes OpenSSL, DNS Made Easy, Bootstrap, Nginx, X-Content-Type-Options.

Architecture and PlanningIllinois, United States51-200 Employees

Hartshorne Plunkard Architecture provides architecture, interior design, and planning services to clients across the United States, operating from a studio in Chicago, Illinois. The firm emphasizes projects in new construction, historic preservation, sustainable design, mixed-use developments, and renovations. Its team is described as experienced and progressive, working in a collaborative, studio-based environment to deliver integrated design solutions.

With a mid-sized footprint, the practice serves professional clients seeking context-aware projects that improve living, working, and interaction spaces. The firm maintains a national footprint, combining architecture, interior, and planning capabilities. In November 2023, Hartshorne Plunkard Architecture announced a collaboration with Newcastle Limited to develop a project in the West Loop area.