What is Duininck Companies's NAICS code?

Duininck Companies's NAICS code is 31-33 (Manufacturing).

Insights

Growth Through Diversification Duininck is a diversified family business with core operations in water management, construction and materials, and real estate, suggesting cross-sell opportunities across related infrastructure and development services.

Expansion and Acquisitions Organically and via acquisitions, the company has grown into a multi-location, multi-disciplinary portfolio. This indicates potential for selling scalable technology, project management, and integration solutions that support complex, multi-site operations.

Technology Modernization Current tech stack includes B2W Software, AWS, Infor EAM, ArcGIS, and analytics tools. Opportunities exist to enhance dispatch, asset management, data security, and field-to-office workflows with integrated SaaS, IoT, or analytics partnerships.

Recent Leadership and Real Estate Focus Appointment of a director of real estate development signals active capture of development projects and land assets. Potential sales angles include CAD/BIM collaboration platforms, GIS-enabled site planning, and property lifecycle software.

Security and Compliance Readiness Past data breach investigation highlights a need for strengthened cybersecurity and data governance. Potential for accompanying security assessments, incident response services, and secure cloud/workflow integrations to mitigate risk.

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Duininck Companies Tech Stack

Duininck Companies uses 8 technology products and services including B2W Software, ISO, gstatic.com, and more. Explore Duininck Companies's tech stack below.

B2W Software
Analytics
ISO
Certificates
gstatic.com
Content Delivery Network
oEmbed
Dev Tools
Microsoft Outlook
Email
Microsoft Word
Office Suites
ESRI
Visualisation Software
Google Analytics
Web Analytics

Media & News

Duininck Companies's Email Address Formats

Duininck Companies uses at least 2 format(s):

Duininck Companies Email Formats	Example	Percentage
FirstL@duininck.com	JohnD@duininck.com	69%
First@duininck.com	John@duininck.com	17%
First.Last@duininck.com	John.Doe@duininck.com	13%
LastF@duininck.com	DoeJ@duininck.com	1%
First.Last@duininckcompanies.com	John.Doe@duininckcompanies.com	55%
FirstL@duininckcompanies.com	JohnD@duininckcompanies.com	40%
LastF@duininckcompanies.com	DoeJ@duininckcompanies.com	5%

Frequently Asked Questions

What is Duininck Companies's phone number?

You can contact Duininck Companies's main corporate office by phone at

+1-320-978-****

. 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 Duininck Companies's official website and social media links?

Duininck Companies's official website is duininckcompanies.com and has social profiles on LinkedIn.

How much revenue does Duininck Companies generate?

As of July 2026, Duininck Companies's annual revenue is estimated to be $25M - $50M.

What is Duininck Companies's SIC code NAICS code?

Duininck Companies's SIC code is 1721 - Painting and Paper Hanging NAICS code is 31-33 - Manufacturing.

How many employees does Duininck Companies have currently?

As of July 2026, Duininck Companies has approximately 25 employees across 1 continents, including North America. Key team members include Chief Financial Officer: C. J.Chief Financial Officer: L. G.Vice President At Duininck, Inc. - Prinsburg, Minnesota: G. H.. Explore Duininck Companies's employee directory with LeadIQ.

What industry does Duininck Companies belong to?

Duininck Companies operates in the Manufacturing industry.

What technology does Duininck Companies use?

Duininck Companies's tech stack includes B2W SoftwareISOgstatic.comoEmbedMicrosoft OutlookMicrosoft WordESRIGoogle Analytics.

What is Duininck Companies's email format?

Duininck Companies's email format typically follows the pattern of FirstL@duininck.com. Find more Duininck Companies email formats with LeadIQ.

When was Duininck Companies founded?

Duininck Companies was founded in 1926.

Duininck Companies

Q: How many employees does Duininck Companies have currently?

Duininck Companies has approximately 25 employees.

Q: What technology does Duininck Companies use?

Duininck Companies's tech stack includes oEmbed, RSS, FranklinCovey, dc.js, WordPress.

ManufacturingMinnesota, United States11-50 Employees

Duininck Companies is a Willmar, Minnesota-based diversified family business with roots in Minnesota road construction dating back nearly a century. Through a combination of organic growth and acquisitions, it has developed a portfolio focused on water management, construction and materials, and real estate, with operations and locations across the United States. Now in its fourth generation, the group emphasizes its people, shared values, and ongoing growth. The company provides services that support infrastructure and development projects by integrating multiple capabilities under one umbrella.

The organization employs more than 1,000 people nationwide, reflecting its broad reach across industries and geographies. In late 2025, Duininck Companies engaged Brilliancypath to design and implement a dispatch solution tailored to its needs.