Ameren

Ameren Corporation is a leading energy services provider based in St. Louis, Missouri. The company serves approximately 2.5 million electric customers and 900,000 natural gas customers across 64,000 square miles in Missouri and Illinois. Formed in 1997 from the merger of Union Electric Company and CIPSCO Inc., Ameren operates through several subsidiaries, including Ameren Illinois and Ameren Missouri, which deliver electricity and natural gas to a wide range of residential, commercial, and industrial clients. Ameren's services include electricity generation and distribution, natural gas distribution, and management of transmission infrastructure. The company operates a diverse portfolio of energy generation facilities, including fossil fuel and nuclear plants, and focuses on grid modernization and reliability projects. With around 9,000 employees, Ameren is committed to providing reliable and cost-effective energy solutions while prioritizing growth, cost control, and customer service.

Utilities St. Louis, United States Founded 1902 ~4,505 employees NASDAQ: AEE

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Employees
4,505
+0.2% in the 3 months to Jun 2025
Revenue / employee
$1.8M
Revenue ~$7.9B
Stock
AEE
NASDAQ
12-month attrition
4.8%
Tech: 6.9%
H1B filings, FY2026
3
Sponsors visas
Open jobs
72
Last 30 days

Headcount trend

Ameren went from 4,516 employees in Jul 2023 to 4,505 in Jun 2025. Jan to Jun 2025: 98 people joined, 46 left.

Headcount data through Jun 2025

Org structure

Headcount by department

Other2,259
Engineering985
Operations744
Success139
Sales127
Finance95
HR62
Marketing54

Executive compensation

Hiring now

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Salaries at Ameren

All salaries

14 salary profiles in the US

Most reported roles

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering11
Operations4
IT1

The department split adds up all the years listed above. FY2026 alone: 3 filings.

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Ameren FAQ

How many employees does Ameren have?

Ameren has about 4,505 employees, up 0.2% over the 3 months to Jun 2025.

Does Ameren sponsor H1B visas?

Yes. Ameren filed 3 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.

What is Ameren's revenue per employee?

Ameren makes about $1.75M in revenue per employee, based on $7.9B annual revenue and 4,505 employees.

How much does Ameren pay?

6figr has 14 salary profiles for Ameren in the US, with pay broken down by role, level, gender and ethnicity on the Ameren salaries page. See Ameren salaries

Is Ameren a public company?

Yes. Ameren is publicly traded under the ticker AEE on NASDAQ.

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