Insights

Acquisition Trigger Hartwig Mechanical is being acquired by Crete United as of November 13, 2024, expanding its service area and capabilities in HVAC and plumbing within Illinois and Chicago region. This signals potential cross-sell opportunities to Crete United customers and access to an expanded project pipeline.

Growth Opportunity Reported annual revenue range of 25 to 50 million and project sizes from 500k to over 15 million indicate a strong project appetite across education and commercial facilities, suggesting collaboration for larger-scale mechanical, plumbing, or HVAC retrofit and maintenance programs.

Service Footprint Established presence in Illinois and Wisconsin with 24-hour emergency service and broad capabilities in air conditioning, heating, and plumbing positions Hartwig as a potential partner for energy efficiency upgrades, critical facilities maintenance, and emergency response contracts.

Tech & Marketing Technology stack includes AWS, WordPress, Snowplow, and CRM/marketing tools, signaling readiness for digital project bidding, data-driven marketing collaboration, and streamlined customer engagement opportunities with potential for joint lead generation.

Competitor Context In a market with large integrated providers (ABM, Comfort Systems, Southland), Hartwig’s mid-market profile and acquisition by a regional energy services group suggests an opportunity for strategic partnerships or channel sales to win municipal, school district, and commercial facility projects through combined capabilities.

Similar companies to Hartwig Mechanical

ABM Industries
33K$1B - $10B
Murphy Company
660$250M - $500M
Comfort Systems USA
1.5K$1B - $10B
Southland Industries
4.7K$1B - $10B

Hartwig Mechanical Tech Stack

Hartwig Mechanical uses 8 technology products and services including Snowplow, Amazon Web Services, Duda, and more. Explore Hartwig Mechanical's tech stack below.

Snowplow
Analytics
Amazon Web Services
Cloud Hosting
Duda
Content Management System
RSS
Content Management System
WordPress
Content Management System
vcita
Customer Relationship Management
Brevo
Live Chat
WP Engine
Platform As A Service

Media & News

Crete United announces the acquisition of Hartwig Mechanical, Inc. in Illinois on Nov 13th '24, adding plumbing to its existing HVAC and electrical services.
Crete United, a prominent provider of energy efficiency and mechanical services, has announced the acquisition of Hartwig Mechanical, Inc., marking a significant expansion of its service area and capabilities in the Chicago region.
Nov 13, 2024 | www.citybuzz.co

Hartwig Mechanical's Email Address Formats

Hartwig Mechanical uses at least 6 email formats:

Hartwig Mechanical Email Formats	Example	Percentage
First@hartwigplumbing.com	John@hartwigplumbing.com	77%
FLast@hartwigplumbing.com	JDoe@hartwigplumbing.com	11%
Last@hartwigplumbing.com	Doe@hartwigplumbing.com	8%
First.Last@hartwigplumbing.com	John.Doe@hartwigplumbing.com	4%
First.Last@hartwigmechanical.com	John.Doe@hartwigmechanical.com	91%
First@hartwigmechanical.com	John@hartwigmechanical.com	9%

Frequently Asked Questions

What is Hartwig Mechanical's phone number?

You can contact Hartwig Mechanical's main corporate office by phone at

+1-815-887-****

. 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 Hartwig Mechanical's official website and social media links?

Hartwig Mechanical's official website is hartwigmechanical.com and has social profiles on LinkedIn.

How much revenue does Hartwig Mechanical generate?

As of October 2026, Hartwig Mechanical's annual revenue is estimated to be $25M - $50M.

What is Hartwig Mechanical's NAICS code?

Hartwig Mechanical's NAICS code is 23 - Construction.

How many employees does Hartwig Mechanical have currently?

As of October 2026, Hartwig Mechanical has approximately 31 employees across 1 continents, including North America. Key team members include Vice President: T. L., Superintendant: T. S. and Corporate Administrator: H. F. Explore Hartwig Mechanical's employee directory with LeadIQ.

What industry does Hartwig Mechanical belong to?

Hartwig Mechanical operates in the Construction industry.

What technology does Hartwig Mechanical use?

Hartwig Mechanical's tech stack includes Snowplow, Amazon Web Services, Duda, RSS, WordPress, vcita, Brevo and WP Engine.

What is Hartwig Mechanical's email format?

Hartwig Mechanical's email format typically follows the pattern of First@hartwigplumbing.com. Find more Hartwig Mechanical email formats with LeadIQ.

When was Hartwig Mechanical founded?

Hartwig Mechanical was founded in 1958.

Hartwig Mechanical

Q: How many employees does Hartwig Mechanical have currently?

Hartwig Mechanical has approximately 31 employees.

Q: What technology does Hartwig Mechanical use?

Hartwig Mechanical's tech stack includes JSON-LD, X-Content-Type-Options, WP Engine, MyWebsite Creator, jQuery Migrate.

Q: What is Hartwig Mechanical's NAICS code?

Hartwig Mechanical's NAICS code is 23 (Construction).

ConstructionIllinois, United States11-50 Employees

Hartwig Mechanical operates as a mechanical contractor within the construction industry, offering plumbing, piping, and HVAC services for both commercial and residential projects. Based in Harvard, Illinois, the company has been active since 1958 and is licensed, bonded, and insured. It oversees projects from initial conception through design, construction, and ongoing maintenance, handling scopes that range from about $500,000 to more than $15 million. 

Its clients include schools and other commercial facilities across Illinois and Wisconsin, with a service model that emphasizes project management through the full lifecycle and reliable 24-hour emergency support. In November 2024, Hartwig Mechanical was acquired by Crete Mechanical Group, expanding its service area in the Chicago region.