Insights

Integrated HVAC Solutions Leverage Althoff Industries’ end-to-end residential and light commercial expertise, including building automation and retrofits, to approach property managers and facilities teams with bundled service offers and energy efficiency upgrades.

Automation Expertise Target clients seeking advanced HVAC control systems and smart building integrations, highlighting the Building Automation Group’s capabilities to design and install computerized controls for improved comfort and energy management.

Facilities Growth Identify expansion opportunities with institutions and large manufacturers in the Northwest Chicago suburbs where long-term relationships exist, offering scalable maintenance contracts and preferred vendor programs.

Financial Stability Position as a mature, revenue-generating services partner with a revenue range of 50–100 million to reassure potential customers and lenders of reliability for larger retrofit or multi-site projects.

Digital Engagement Utilize digital channels and social presence (Instagram, LinkedIn) to nurture relationships with decision-makers in facilities and operations, supporting targeted outreach for maintenance, upgrades, and modernization projects.

Althoff Industries Tech Stack

Althoff Industries uses 8 technology products and services including Sage Intacct, Instagram, Google Fonts API, and more. Explore Althoff Industries's tech stack below.

  • Sage Intacct
    Accounting
  • Instagram
    Advertising
  • Google Fonts API
    Font Scripts
  • React
    Javascript Frameworks
  • LinkedIn
    Online Community Software
  • reCAPTCHA
    Security
  • Google Analytics
    Web Analytics
  • Google Search Console
    Web Analytics

Althoff Industries's Email Address Formats

Althoff Industries uses at least 1 format(s):
Althoff Industries Email FormatsExamplePercentage
LastF@althoffind.comDoeJ@althoffind.com
70%
FLast@althoffind.comJDoe@althoffind.com
17%
First.Last@althoffind.comJohn.Doe@althoffind.com
10%
Last@althoffind.comDoe@althoffind.com
3%

Frequently Asked Questions

What is Althoff Industries's phone number?

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You can contact Althoff Industries'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 Althoff Industries's official website and social media links?

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Althoff Industries's official website is althoffind.com and has social profiles on LinkedIn.

How much revenue does Althoff Industries generate?

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As of July 2026, Althoff Industries's annual revenue is estimated to be $50M - $100M.

What is Althoff Industries's SIC code NAICS code?

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Althoff Industries's SIC code is 1711 - Plumbing, Heating and Air-Conditioning NAICS code is 23 - Construction.

How many employees does Althoff Industries have currently?

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As of July 2026, Althoff Industries has approximately 82 employees across 1 continents, including North America. Key team members include Vice President Of Information Systems: C. H.Owner: T. F.Senior Project Manager: J. C.. Explore Althoff Industries's employee directory with LeadIQ.

What industry does Althoff Industries belong to?

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Althoff Industries operates in the Construction industry.

What technology does Althoff Industries use?

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Althoff Industries's tech stack includes Sage IntacctInstagramGoogle Fonts APIReactLinkedInreCAPTCHAGoogle AnalyticsGoogle Search Console.

What is Althoff Industries's email format?

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Althoff Industries's email format typically follows the pattern of LastF@althoffind.com. Find more Althoff Industries email formats with LeadIQ.

When was Althoff Industries founded?

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Althoff Industries was founded in 1961.
Althoff Industries logo

Althoff Industries

ConstructionIllinois, United States51-200 Employees

Althoff Industries is a mid-sized construction services company based in Crystal Lake, Illinois. Founded in 1961 by James Althoff to serve residential heating and air-conditioning customers in the Northwest Chicago suburbs, it soon expanded to include plumbing, piping, and electrical services to meet growing demand. As the business grew, it began serving small businesses and light commercial clients, building long-term relationships with some of the region's largest institutions and manufacturing companies.

In the 1990s, the company formed a Building Automation Group to design and install HVAC control systems, reflecting an emphasis on integrating advancing technologies. The organization continues to adapt to new technologies to deliver value to customers, maintaining a focus on quality service across its diversified client base.

Section iconCompany Overview

Phone number
SIC Code
1711 - Plumbing, Heating and Air-Conditioning
NAICS Code
23 - Construction
Founded
1961
Employees
51-200

Section iconFunding & Financials

  • $50M - $100M

    Althoff Industries's revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $50M - $100M

    Althoff Industries's revenue is estimated to be in the range of $50M - $100M

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