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.
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Headcount trend
ATC went from 362 employees in Jul 2023 to 423 in Jun 2025. Jan to Jun 2025: 28 people joined, 5 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Hiring now
See all jobsSalaries at ATC
All salaries64 salary profiles in India
Most reported roles
Funding
- Jul 2020 · $200M
Peer reviews
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ATC FAQ
How many employees does ATC have?
ATC has about 423 employees, up 3.2% over the 3 months to Jun 2025.
What is ATC's revenue per employee?
ATC makes about $1.89M in revenue per employee, based on $800M annual revenue and 423 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.