ATC

ATC (American Transmission Company) is an electric transmission company based in Wisconsin. It specializes in planning, maintaining, operating, and protecting the electric grid across parts of Wisconsin, Michigan, Minnesota, and Illinois. Serving over 5 million electric consumers, ATC manages more than 10,000 miles of transmission lines, ensuring the safe and reliable delivery of electricity. Founded over two decades ago, ATC focuses on the transmission of electric power, playing a vital role in the regional energy infrastructure. The company is committed to enhancing the grid to support the transition to renewable energy sources while maintaining high reliability and stability. ATC operates and maintains a high-voltage electric transmission system, plans grid upgrades, and has achieved record reliability in 2023. In addition to its core operations, ATC invests in community and educational programs, particularly in STEM fields, to prepare the future workforce for careers in the energy sector. The company fosters a culture of innovation and respect among its employees and stakeholders, contributing positively to the communities it serves.

Utilities Waukesha, United States Founded 2001 ~563 employees

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Employees
563
+1.8% in the 3 months to Sep 2026
Revenue / employee
$1.4M
Revenue ~$800M
Total funding
$200M
Last round Jul 2020
12-month attrition
2.9%
Tech: 2%
H1B sponsor
NA
Open jobs
9
Last 30 days

Headcount trend

ATC went from 476 employees in Oct 2024 to 563 in Sep 2026. Apr to Sep 2026: 17 people joined, 4 left.

Org structure

Headcount by department

Other222
Operations134
Engineering125
Finance27
HR19
Success12
Marketing10
Sales8

Salaries at ATC

All salaries

64 salary profiles in India

Most reported roles

Pay by level, gender and ethnicity · US salaries

Funding

  • Jul 2020 · $200M

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ATC FAQ

How many employees does ATC have?

ATC has about 563 employees, up 1.8% over the 3 months to Sep 2026.

What is ATC's revenue per employee?

ATC makes about $1.42M in revenue per employee, based on $800M annual revenue and 563 employees.

How much does ATC pay?

6figr has 64 salary profiles for ATC in India and 4 in the US, with pay broken down by role, level and gender on the ATC salaries page. See ATC salaries in India

How much funding has ATC raised?

ATC has raised $200M in total funding.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.