How many employees work at Columbia Gas of Ohio?
Columbia Gas of Ohio, Inc. has 448 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -1.9%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Columbia Gas of Ohio
Columbia Gas of Ohio delivers clean, affordable and efficient natural gas to approximately 1.4 million customers across the state. With headquarters in Columbus, Ohio, it is the largest natural gas utility in Ohio and one of NiSource’s six regulated utility companies. NiSource (NYSE: NI) is one of the largest fully-regulated utility companies in the United States, serving nearly 4 million customers across six states through its local Columbia Gas and NIPSCO brands.
As of December 2025
Columbia Gas of Ohio
workforce metrics
Headcount
448
Avg. Salary
$68.3k
Tenure
6.2yr
Growth Rate
-1.9%
Hiring Rate
Attrition Rate
For even more metrics data,
reach out to our sales team.
Employee Headcount
Interactive chart of Columbia Gas of Ohio annual worldwide employee count from 2023 to 2025.
- Columbia Gas of Ohio total number of employees in 2025 was 448, a 1.9% decline from 2024.
- Columbia Gas of Ohio total number of employees in 2024 was 456, a 2.9% decline from 2023.
- Columbia Gas of Ohio total number of employees in 2023 was 470, a 0.7% increase from 2022.
Would you like to see the latest employee headcount data?
Employee Geographic Breakdown
Would you like to see the latest employee geographic data?
Employee Sentiment
Sentiment Topics
Would you like to see the latest employee sentiment data?