Insights

Sustainable Grid ATC operates a large-scale transmission network across multiple Midwestern states, presenting opportunities to engage with utilities and industrial customers on grid reliability, renewable integration and transmission capacity expansion projects.

Transmission Focus As a transmission-only electric utility with ownership of nearly 10,000 miles of lines and 560+ substations, ATC can be a partner for grid upgrade programs, right‑of‑way services, maintenance contracts, and data‑driven reliability solutions.

Midwest Footprint Serving Wisconsin, Michigan, Minnesota and Illinois and supporting over 5 million customers, ATC offers cross‑state opportunities for equipment modernization, cybersecurity, remote monitoring, and enterprise software integrations across regional operations.

Tech Stack Fit ATC already leverages Microsoft, BI and automation tools (Power BI, Ansible, Dynamics, Active Directory, Teams, SharePoint, Citrix) which signals openness to digital efficiency projects, data analytics collaborations, and HCM/CRM integrations to optimize field operations.

People & Culture A workforce of 501–1000 employees with a culture centered on collaboration and accountability indicates potential for workforce optimization solutions, outage response training platforms, and safety/engagement programs that can be co‑developed with ATC.

Similar companies to ATC

ATC Tech Stack

ATC uses 8 technology products and services including iCIMS, Power BI, Ansible, and more. Explore ATC's tech stack below.

Media & News

ATC's Email Address Formats

ATC uses at least 4 email formats:
ATC Email FormatsExamplePercentage
FLast@atcllc.comJDoe@atcllc.com
92%
First.Last@atcllc.comJohn.Doe@atcllc.com
6%
F.Last@atcllc.comJ.Doe@atcllc.com
1%
Last@atcllc.comDoe@atcllc.com
1%

Frequently Asked Questions

What is ATC's phone number?

Minus sign iconPlus sign icon
You can contact ATC'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 ATC's stock symbol?

Minus sign iconPlus sign icon
ATC is a publicly traded company; the company's stock symbol is ATCO.

What is ATC's official website and social media links?

Minus sign iconPlus sign icon
ATC's official website is atcllc.com and has social profiles on LinkedIn.

How much revenue does ATC generate?

Minus sign iconPlus sign icon
As of August 2026, ATC's annual revenue is estimated to be $1B - $10B.

What is ATC's NAICS code?

Minus sign iconPlus sign icon
ATC's NAICS code is 22 - Utilities.

How many employees does ATC have currently?

Minus sign iconPlus sign icon
As of August 2026, ATC has approximately 873 employees across 3 continents, including North America, Asia and Europe. Key team members include Chief Executive Officer: M. T., Chief Executive Officer: T. A. M. and Chief Financial Officer: A. G. Explore ATC's employee directory with LeadIQ.

What industry does ATC belong to?

Minus sign iconPlus sign icon
ATC operates in the Utilities industry.

What technology does ATC use?

Minus sign iconPlus sign icon
ATC's tech stack includes iCIMS, Power BI, Ansible, Microsoft SharePoint, Microsoft Dynamics, Microsoft Active Directory, Microsoft Teams and Citrix.

What is ATC's email format?

Minus sign iconPlus sign icon
ATC's email format typically follows the pattern of FLast@atcllc.com. Find more ATC email formats with LeadIQ.
ATC logo

ATC

UtilitiesWisconsin, United States501-1000 Employees

ATC is a transmission-only electric utility serving portions of Wisconsin, Michigan, Minnesota and Illinois. Based in Waukesha, Wisconsin, it owns and operates roughly 10,000 miles of transmission lines and over 560 substations to support power delivery for more than 5 million customers in Midwestern communities. 

Its stated mission is to perfect its business and lead the transition to a sustainable energy future. The company emphasizes a team-oriented culture guided by values such as caring, challenging, committing, communicating, competing and celebrating.

Section iconCompany Overview

Phone number
Website
atcllc.com
Stock Symbol
ATCO
NAICS Code
22 - Utilities
Employees
501-1000

Section iconFunding & Financials

  • $1B - $10B

    ATC's revenue is estimated to be in the range of $1B - $10B

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.