What is DNR Construction, Inc.'s NAICS code?

DNR Construction, Inc.'s NAICS code is 23 (Construction).

Insights

Dominant Weatherization Expertise As the largest weatherization contractor in Illinois with over 16 years of experience, DNR Construction offers a strong foothold to expand services related to energy efficiency, HVAC upgrades, and insulation projects for residential and multi-unit complexes.

Expanding Construction Scope Specialized in exterior remodeling for single-family homes, condominiums, and townhomes, DNR has a proven track record with government programs and large-scale projects, indicating opportunities for tenants interested in comprehensive exterior renovation and eco-friendly upgrades.

Growth in Regional Market Based in Illinois and servicing Chicago and surrounding areas, DNR's regional positioning presents prospects to introduce innovative construction technologies, sustainable building materials, or expanded weatherization solutions targeting local clients seeking cost and energy savings.

Tech-Savvy Presence Utilizing modern web tools like WordPress, Slider Revolution, and analytics indicates a digital-first approach, opening doors for outreach through digital marketing, virtual consultations, and customized online project management solutions to attract new commercial and residential clients.

Synergy with Industry Players With several competitors ranging from mid-size to large firms, DNR’s family-owned reputation combined with high-quality workmanship positions it well to develop partnerships with suppliers of sustainable building materials, smart home technologies, and energy-efficient window systems for cross-promotional opportunities.

Similar companies to DNR Construction, Inc.

DNR Construction, Inc. Tech Stack

DNR Construction, Inc. uses 8 technology products and services including WordPress, Open Graph, MySQL, and more. Explore DNR Construction, Inc.'s tech stack below.

WordPress
Content Management System
Open Graph
Content Management System
MySQL
Database
oEmbed
Dev Tools
Modernizr
Javascript Libraries
Slider Revolution
Miscellaneous
reCAPTCHA
Security
ExactMetrics
Web Platform Extensions

Media & News

DNR Construction, Inc.'s Email Address Formats

DNR Construction, Inc. uses at least 1 format(s):

DNR Construction, Inc. Email Formats	Example	Percentage
First@dnrwindows.com	John@dnrwindows.com	45%
FLast@dnrwindows.com	JDoe@dnrwindows.com	5%
First@dnrwindows.com	John@dnrwindows.com	45%
FLast@dnrwindows.com	JDoe@dnrwindows.com	5%

Frequently Asked Questions

Where is DNR Construction, Inc.'s headquarters located?

DNR Construction, Inc.'s main headquarters is located at 5803 Edward Drive Oak Forest, Illinois 60452 United States. The company has employees across 3 continents, including North AmericaEuropeOceania.

What is DNR Construction, Inc.'s phone number?

You can contact DNR Construction, Inc.'s main corporate office by phone at

+1-708-535-****

. 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 DNR Construction, Inc.'s official website and social media links?

DNR Construction, Inc.'s official website is dnrwindows.com and has social profiles on LinkedIn.

How much revenue does DNR Construction, Inc. generate?

As of February 2026, DNR Construction, Inc.'s annual revenue is estimated to be $3.1M.

What is DNR Construction, Inc.'s SIC code NAICS code?

DNR Construction, Inc.'s SIC code is 1522 - General Contractors-Residential Buildings, Other Than Single-Family NAICS code is 23 - Construction.

How many employees does DNR Construction, Inc. have currently?

As of February 2026, DNR Construction, Inc. has approximately 29 employees across 3 continents, including North AmericaEuropeOceania. Key team members include President: D. C.President: R. M.President: S. J.. Explore DNR Construction, Inc.'s employee directory with LeadIQ.

What industry does DNR Construction, Inc. belong to?

DNR Construction, Inc. operates in the Construction industry.

What technology does DNR Construction, Inc. use?

DNR Construction, Inc.'s tech stack includes WordPressOpen GraphMySQLoEmbedModernizrSlider RevolutionreCAPTCHAExactMetrics.

What is DNR Construction, Inc.'s email format?

DNR Construction, Inc.'s email format typically follows the pattern of First@dnrwindows.com. Find more DNR Construction, Inc. email formats with LeadIQ.

When was DNR Construction, Inc. founded?

DNR Construction, Inc. was founded in 1997.

DNR Construction, Inc.

Q: What is DNR Construction, Inc.'s official website and social media links?

DNR Construction, Inc.'s official website is dnrwindows.com. DNR Construction, Inc. has social profiles on LinkedIn.

Q: How many employees does DNR Construction, Inc. have currently?

DNR Construction, Inc. has approximately 29 employees.

Q: What technology does DNR Construction, Inc. use?

DNR Construction, Inc.'s tech stack includes MySQL, YouTube, WordPress, RSS, Shopify.

ConstructionIllinois, United States11-50 Employees

For over 16 years DNR Construction has provided weatherization and construction services to Chicago and the surrounding areas. We are a true family owned construction company. We specialize in the exterior remodeling of single family, condominium, and townhome complexes. In addition, we have become the largest weatherization contractor in the state of Illinois.

Our projects include governmental programs, multi-unit complexes, and the individual homeowner. Although we specialize is larger scale jobs, we continue to service the individual homeowner because that is how we grew our company.

We provide a wide array of services, but we have one goal in mind—to provide professional service and quality workmanship for our customers.

Company Overview

Headquarters: 5803 Edward Drive Oak Forest, Illinois 60452 United States
Phone number: +1-708-535-****
Website: dnrwindows.com
SIC Code: 1522 - General Contractors-Residential Buildings, Other Than Single-Family
NAICS Code: 23 - Construction
Founded: 1997
Employees: 11-50