Insights

Local Focus Winkelman Building Co. operates with a strong local focus in Central Minnesota under the umbrella of Bradbury Stamm Construction, indicating sales touchpoints should emphasize regional relationship building, repeat government and educational project opportunities, and local vendor partnerships.

Full Service As a regional full-service contractor offering Construction Management, General Contracting and Design/Build, Winkelman presents cross-selling opportunities for clients seeking integrated delivery methods and turnkey construction solutions, including pursuit of larger multi-discipline projects.

Public Sector Project history spans governmental facilities, healthcare, education and community/recreational facilities, suggesting a strong pipeline for public sector opportunities and the need to align with procurement cycles, compliance requirements and government contract vehicles.

StabilityPlus Wholly owned by Bradbury Stamm and led by long-tenured leadership, Winkelman emphasizes financial stability and safety culture, which can be leveraged in proposals targeting risk-averse clients and long-term facility renovation or expansion programs.

StrategicGrowth Recent exposure to events like subcontractor appreciation and affiliation with Bradbury Stamm signals potential for expanded subcontracting networks, joint marketing, and alliance-based bids to access larger projects or shared prequalification opportunities.

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Winkelman Building Co. LLC Tech Stack

Winkelman Building Co. LLC uses 8 technology products and services including Network Solutions, Mailchimp, Microsoft 365, and more. Explore Winkelman Building Co. LLC's tech stack below.

  • Network Solutions
    Domain Name Services
  • jQuery
    Javascript Libraries
  • Modernizr
    Javascript Libraries
  • UNIX
    Operating Systems
  • PHP
    Programming Languages
  • Apache HTTP Server
    Web Servers

Winkelman Building Co. LLC's Email Address Formats

Winkelman Building Co. LLC uses at least 6 email formats:
Winkelman Building Co. LLC Email FormatsExamplePercentage
FirstL@winkbuild.comJohnD@winkbuild.com
71%
Last@winkbuild.comDoe@winkbuild.com
29%
FLast@bradburystamm.comJDoe@bradburystamm.com
90%
Last@bradburystamm.comDoe@bradburystamm.com
6%
FiLast@bradburystamm.comJoDoe@bradburystamm.com
3%
LastF@bradburystamm.comDoeJ@bradburystamm.com
1%

Frequently Asked Questions

What is Winkelman Building Co. LLC's phone number?

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You can contact Winkelman Building Co. LLC's main corporate office by phone at . 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 Winkelman Building Co. LLC's official website and social media links?

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Winkelman Building Co. LLC's official website is bradburystamm.com and has social profiles on LinkedIn.

How much revenue does Winkelman Building Co. LLC generate?

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As of November 2026, Winkelman Building Co. LLC's annual revenue is estimated to be $1M - $10M.

What is Winkelman Building Co. LLC's NAICS code?

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Winkelman Building Co. LLC's NAICS code is 23 - Construction.

How many employees does Winkelman Building Co. LLC have currently?

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As of November 2026, Winkelman Building Co. LLC has approximately 5 employees across 1 continents, including North America. Key team members include Superintendent: M. F. and Programmer: R. C. Explore Winkelman Building Co. LLC's employee directory with LeadIQ.

What industry does Winkelman Building Co. LLC belong to?

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Winkelman Building Co. LLC operates in the Construction industry.

What technology does Winkelman Building Co. LLC use?

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Winkelman Building Co. LLC's tech stack includes Network Solutions, Mailchimp, Microsoft 365, jQuery, Modernizr, UNIX, PHP and Apache HTTP Server.

What is Winkelman Building Co. LLC's email format?

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Winkelman Building Co. LLC's email format typically follows the pattern of FirstL@winkbuild.com. Find more Winkelman Building Co. LLC email formats with LeadIQ.

When was Winkelman Building Co. LLC founded?

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Winkelman Building Co. LLC was founded in 1969.
Winkelman Building Co. LLC logo

Winkelman Building Co. LLC

ConstructionMinnesota, United States2-10 Employees

Founded in 1969 by Don Winkelman, Sr., and his sons, Winkelman Building Co. LLC began as a general contractor focused on commercial and institutional work in Central Minnesota. In 1983, long-standing employees Duane Schultz and Keith Schupp purchased the company and expanded its capabilities into a regional full-service construction firm offering Construction Management, General Contracting, and Design/Build services. Today, Winkelman operates as a wholly owned subsidiary of Bradbury Stamm Construction, Inc., maintaining a strong local orientation while benefiting from broader resources and a commitment to safety. Based in Saint Cloud, Minnesota, the company pursues a diverse project mix that includes governmental facilities, healthcare and recreational facilities, educational campuses, multi-family housing, manufacturing plants, churches, assisted living centers, office complexes, and historic renovations. Cynthia Schultz, Duane Schultz’s daughter-in-law, serves as President and leads the local management team, sustaining the firm’s local focus within the Bradbury Stamm organization. In May 2026, Bradbury Stamm Construction hosted a Subcontractor Appreciation Event, signaling ongoing collaboration within the group.

Section iconCompany Overview

Phone number
NAICS Code
23 - Construction
Founded
1969
Employees
2-10

Section iconFunding & Financials

  • $1M - $10M

    Winkelman Building Co. LLC's revenue is estimated to be in the range of $1M - $10M

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