Insights

Local service strength Giese Companies has a long-standing presence since 1923 with a focus on residential and commercial heating, cooling, roofing, manufacturing, sheet metal, and lighting. This indicates deep local market knowledge and established customer relationships, suggesting opportunities for multi‑service contracts and cross-selling across facilities.

Mid‑market potential With 11-50 employees and annual revenue between one and ten million dollars, Giese sits in the mid‑market segment that often seeks integrated facilities management, energy efficiency upgrades, and scalable contracting options—areas where larger firms may underperform and mid‑size vendors can win preferred supplier status.

Energy and efficiency The emphasis on heating, cooling, roofing, and lighting points to ongoing opportunities around energy efficiency retrofits, HVAC optimizations, building envelope improvements, and lighting upgrades—especially in commercial portfolios that value cost savings and sustainability.

Digital readiness Giese employs modern digital tools (WordPress, SEO, analytics, GTM) suggesting receptiveness to data-driven marketing, online procurement support, and digital engagement strategies. This can facilitate targeted outreach, proposal customization, and measurable ROI demonstrations.

Growth opportunities Revenue visibility and a broad service mix imply potential for expanded service lines, such as preventive maintenance programs, facility management partnerships, and bundled service agreements, enabling scalable revenue growth beyond one-off projects.

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Giese Companies Tech Stack

Giese Companies uses 8 technology products and services including WordPress, oEmbed, JSON-LD, and more. Explore Giese Companies's tech stack below.

  • Content Management System
  • oEmbed
    Dev Tools
  • JSON-LD
    Javascript Frameworks
  • Really Simple Discovery
    Miscellaneous
  • Yoast SEO
    Search Engines
  • Google Tag Manager
    Tag Management
  • Google Analytics
    Web Analytics
  • Blocksy
    Web Platform Extensions

Giese Companies's Email Address Formats

Giese Companies uses at least 4 email formats:
Giese Companies Email FormatsExamplePercentage
First@gieseco.comJohn@gieseco.com
57%
FLast@gieseco.comJDoe@gieseco.com
33%
First_Last@gieseco.comJohn_Doe@gieseco.com
7%
First.Last@gieseco.comJohn.Doe@gieseco.com
3%

Frequently Asked Questions

What is Giese Companies's phone number?

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You can contact Giese Companies'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 Giese Companies's official website and social media links?

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Giese Companies's official website is gieseco.com and has social profiles on LinkedIn.

How much revenue does Giese Companies generate?

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As of September 2026, Giese Companies's annual revenue is estimated to be $1M - $10M.

What is Giese Companies's NAICS code?

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Giese Companies's NAICS code is 23 - Construction.

How many employees does Giese Companies have currently?

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As of September 2026, Giese Companies has approximately 14 employees across 1 continents, including North America. Key team members include Owner Wpfs: D. S., Owner & Head Of Sales: J. H. and Manager Director: K. R. Explore Giese Companies's employee directory with LeadIQ.

What industry does Giese Companies belong to?

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Giese Companies operates in the Construction industry.

What technology does Giese Companies use?

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Giese Companies's tech stack includes WordPress, oEmbed, JSON-LD, Really Simple Discovery, Yoast SEO, Google Tag Manager, Google Analytics and Blocksy.

What is Giese Companies's email format?

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Giese Companies's email format typically follows the pattern of First@gieseco.com. Find more Giese Companies email formats with LeadIQ.

When was Giese Companies founded?

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Giese Companies was founded in 1923.
Giese Companies logo

Giese Companies

ConstructionIowa, United States11-50 Employees

Giese Companies is a mid-sized construction firm based in Dubuque, Iowa, with roots dating back to 1923. It provides a range of services through specialized departments, including residential and commercial heating and cooling, roofing, manufacturing, sheet metal, and lighting. The organization emphasizes a long-standing commitment to customer satisfaction, seeking to deliver experienced service and high-quality workmanship on its projects.

Its client base includes both residential and commercial customers in the local area seeking integrated building-system solutions and dependable maintenance. By coordinating multiple trades under one roof, Giese aims to address comfort, facility performance, and related construction needs over the lifecycle of buildings.

Section iconCompany Overview

Phone number
NAICS Code
23 - Construction
Founded
1923
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    Giese Companies's revenue is estimated to be in the range of $1M - $10M

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