Insights

Established HVAC Specialist AT Mechanical is a long-standing full-service HVAC contractor founded in 2004 with a track record of completing over 200 million dollars in mechanical construction, indicating reliability and experience for complex projects.

Diverse Project Portfolio Experience across a wide range of building types and project formats (Plan and Spec, Design-Build, retrofits, rooftop units) suggests capability to handle new construction, renovations, and retrofit opportunities for varied clients.

Regional Footprint Based in Melrose Park, IL with projects spanning suburban to downtown Chicago and across the United States, presenting opportunities for both local facilities and national accounts requiring scalable HVAC solutions.

Leadership Stability Frequent leadership mentions include the promotion of Brian Pannier to General Manager, signaling clear management structure and potential for ongoing customer relationships and accountability in service delivery.

Tech-Enabled Delivery Technology stack featuring AWS, modern web tools, and performance-focused web technologies indicates a modern, web-enabled service approach that can support remote monitoring, data integration, and streamlined project management for clients seeking efficiency.

AT Mechanical, LLC Tech Stack

AT Mechanical, LLC uses 8 technology products and services including Amazon Web Services, Duda, JSON-LD, and more. Explore AT Mechanical, LLC's tech stack below.

  • Amazon Web Services
    Cloud Hosting
  • Duda
    Content Management System
  • JSON-LD
    Javascript Frameworks
  • Modernizr
    Javascript Libraries
  • Skrollr
    Javascript Libraries
  • Office 365
    Office Suites
  • MyWebsite Creator
    Page Builders
  • Nginx
    Web Servers

AT Mechanical, LLC's Email Address Formats

AT Mechanical, LLC uses at least 1 format(s):
AT Mechanical, LLC Email FormatsExamplePercentage
First@atmechanical.comJohn@atmechanical.com
84%
Last@atmechanical.comDoe@atmechanical.com
6%
LastF@atmechanical.comDoeJ@atmechanical.com
7%
First.Last@atmechanical.comJohn.Doe@atmechanical.com
3%

Frequently Asked Questions

What is AT Mechanical, LLC's phone number?

Minus sign iconPlus sign icon
You can contact AT Mechanical, 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 AT Mechanical, LLC's official website and social media links?

Minus sign iconPlus sign icon
AT Mechanical, LLC's official website is atmechanical.com and has social profiles on LinkedIn.

How much revenue does AT Mechanical, LLC generate?

Minus sign iconPlus sign icon
As of July 2026, AT Mechanical, LLC's annual revenue is estimated to be $10M - $25M.

What is AT Mechanical, LLC's SIC code NAICS code?

Minus sign iconPlus sign icon
AT Mechanical, LLC's SIC code is 7699 - Repair Shops and Related Services, Not Elsewhere Classified NAICS code is 23 - Construction.

How many employees does AT Mechanical, LLC have currently?

Minus sign iconPlus sign icon
As of July 2026, AT Mechanical, LLC has approximately 26 employees across 1 continents, including North America. Key team members include Vice President Operations: P. L.President: D. P.President: J. H.. Explore AT Mechanical, LLC's employee directory with LeadIQ.

What industry does AT Mechanical, LLC belong to?

Minus sign iconPlus sign icon
AT Mechanical, LLC operates in the Construction industry.

What technology does AT Mechanical, LLC use?

Minus sign iconPlus sign icon
AT Mechanical, LLC's tech stack includes Amazon Web ServicesDudaJSON-LDModernizrSkrollrOffice 365MyWebsite CreatorNginx.

What is AT Mechanical, LLC's email format?

Minus sign iconPlus sign icon
AT Mechanical, LLC's email format typically follows the pattern of First@atmechanical.com. Find more AT Mechanical, LLC email formats with LeadIQ.

When was AT Mechanical, LLC founded?

Minus sign iconPlus sign icon
AT Mechanical, LLC was founded in 2004.
AT Mechanical, LLC logo

AT Mechanical, LLC

ConstructionIllinois, United States11-50 Employees

AT Mechanical, LLC is a comprehensive HVAC contracting and mechanical service firm based in Melrose Park, Illinois. The company relies on a skilled roster of pipefitters, sheet metal tradespeople, and service technicians to support a broad range of projects. Since 2004, it has completed projects valued at over $200 million across diverse building types, from suburban facilities to downtown Chicago, and it handles traditional plan-and-spec and design-build delivery, retrofit work, and rooftop unit installations, reflecting a flexible approach to project delivery.

Its client base consists of construction-industry organizations seeking reliable HVAC installation, retrofit, and ongoing service across the United States. In 2021, the company announced the promotion of Brian Pannier to General Manager, signaling leadership continuity.

Section iconCompany Overview

Phone number
SIC Code
7699 - Repair Shops and Related Services, Not Elsewhere Classified
NAICS Code
23 - Construction
Founded
2004
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    AT Mechanical, LLC's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    AT Mechanical, LLC's revenue is estimated to be in the range of $10M - $25M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.