What is Mark D Olejniczak Realty, Inc's NAICS code?

Mark D Olejniczak Realty, Inc's NAICS code is 531 (Real Estate).

Insights

Established Local Leader Longstanding Northeast Wisconsin presence since 1980 with a 4th generation lineage, offering credibility and deep regional knowledge to target local property owners, developers, and investors seeking trusted brokerage services.

High Experience Bonus Demonstrated expertise with average sales associate tenure of over 22 years and a high CRS designation share, suggesting premium service potential for high-value residential and commercial transactions and coaching/mentoring programs for newer agents.

Awarded Reputation 12-time Green Bay Press-Gazette Best Real Estate Agency winner indicates strong brand affinity; leverage awards in outreach to win new listings, referrals, and partnerships with local lenders, builders, and property managers.

Technology Stack Active use of Google Ads, Microsoft Advertising, Google Analytics/Maps, WordPress, and cloud tools presents opportunities for marketing partnerships, PPC optimization services, and data-driven lead generation enhancements for scale.

Revenue Opportunity Reported revenue range of 50M to 100M with a mid-size team (11-50 employees) signals capacity for enterprise-level marketing, CRM expansion, training programs, or SaaS adtech integrations tailored to mid-market brokerage workflows.

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Mark D Olejniczak Realty, Inc Tech Stack

Mark D Olejniczak Realty, Inc uses 8 technology products and services including Google Ads, Microsoft Advertising, WordPress, and more. Explore Mark D Olejniczak Realty, Inc's tech stack below.

Google Ads
Advertising
Microsoft Advertising
Advertising
WordPress
Content Management System
Simpli.fi
Demand Side Platforms
Google Workspace
Email
Google Cloud
Infrastructure As A Service
Google Maps
Maps
Google Analytics
Web Analytics

Media & News

Olej receives award Green Bay Press-Gazette Reader’s Choice Award for Best Real Estate Agency.
Mark D. Olejniczak Realty, Inc. is proud to be the recipient of the Green Bay Press-Gazette Reader’s Choice Award for Best Real Estate Agency in Green Bay from 2008-2012, and 2014-2019.
Jun 27, 2019 | www.olej.com

Mark D Olejniczak Realty, Inc's Email Address Formats

Mark D Olejniczak Realty, Inc uses at least 4 email formats:

Mark D Olejniczak Realty, Inc Email Formats	Example	Percentage
First.Last@olej.com	John.Doe@olej.com	89%
Last@olej.com	Doe@olej.com	6%
FirstL@olej.com	JohnD@olej.com	2%
FLast@olej.com	JDoe@olej.com	3%

Frequently Asked Questions

What is Mark D Olejniczak Realty, Inc's phone number?

You can contact Mark D Olejniczak Realty, Inc's main corporate office by phone at

+1-920-432-****

. 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 Mark D Olejniczak Realty, Inc's official website and social media links?

Mark D Olejniczak Realty, Inc's official website is olej.com and has social profiles on LinkedIn.

How much revenue does Mark D Olejniczak Realty, Inc generate?

As of October 2026, Mark D Olejniczak Realty, Inc's annual revenue is estimated to be $50M - $100M.

What is Mark D Olejniczak Realty, Inc's SIC code and NAICS code?

Mark D Olejniczak Realty, Inc's SIC code is 6531 - Real Estate Agents and Managers and NAICS code is 531 - Real Estate.

How many employees does Mark D Olejniczak Realty, Inc have currently?

As of October 2026, Mark D Olejniczak Realty, Inc has approximately 42 employees across 1 continents, including North America. Key team members include Vice President And Corporate Owner: S. M., Director Of Marketing And Advertising: H. H. and Operations Manager: S. C. Explore Mark D Olejniczak Realty, Inc's employee directory with LeadIQ.

What industry does Mark D Olejniczak Realty, Inc belong to?

Mark D Olejniczak Realty, Inc operates in the Real Estate industry.

What technology does Mark D Olejniczak Realty, Inc use?

Mark D Olejniczak Realty, Inc's tech stack includes Google Ads, Microsoft Advertising, WordPress, Simpli.fi, Google Workspace, Google Cloud, Google Maps and Google Analytics.

What is Mark D Olejniczak Realty, Inc's email format?

Mark D Olejniczak Realty, Inc's email format typically follows the pattern of First.Last@olej.com. Find more Mark D Olejniczak Realty, Inc email formats with LeadIQ.

When was Mark D Olejniczak Realty, Inc founded?

Mark D Olejniczak Realty, Inc was founded in 1980.

Mark D Olejniczak Realty, Inc

Q: What technology does Mark D Olejniczak Realty, Inc use?

Mark D Olejniczak Realty, Inc's tech stack includes jQuery Migrate, Sitelinks Search Box, MySQL, Microsoft, Microsoft Advertising.

Real EstateWisconsin, United States11-50 Employees

Mark D Olejniczak Realty, Inc. is a full-service real estate agency serving Northeast Wisconsin, including Green Bay, Appleton, Oshkosh, and Fond du Lac. Founded in 1980 and based in Green Bay, the firm emphasizes long-standing local presence as one of the region’s independent brokerages, with a history tracing back to 1906. The company supports buyers and sellers through a traditional real estate service model, leveraging extensive local experience to facilitate transactions in residential and possibly other property types within the area. The firm notes a stable office presence five days a week and on-call availability outside business hours, reflecting a focus on accessible client service in the Green Bay region.