Company Insights
Published on
April 22, 2026

How Many People Work at Advanced Drainage Systems? Headcount and Employee Trends

Total Employees
5710
7.2% from last year
0
New Hires (YTD)
0
5% of total workforce
Departments
15
650 in Engineering
Locations
53
5,012 in New York, NY
  • Advanced Drainage Systems, Inc. (NYSE: WMS), headquartered in Hilliard, Ohio, is a leading manufacturer of stormwater and onsite wastewater management products, serving commercial, residential, infrastructure, and agricultural markets.
  • In fiscal Q3 2026, the company reported a 3.7% increase in net sales to $2.4 billion and a 5.0% increase in net income to $394.6 million, demonstrating resilience in a challenging market environment.
  • The company has a diverse customer base, including key partnerships within the construction and agricultural sectors, and has seen significant growth in its Infiltrator business and Allied products portfolio.
  • Advanced Drainage Systems targets contractors, engineers, and municipalities looking for innovative water management solutions, addressing pain points related to stormwater management and regulatory compliance.

Advanced Drainage Systems Headcount Breakdown by Department

Advanced Drainage Systems comprises 15 departments, with Operations being the largest at 97 employees, followed by Executive at 65 and Sales at 57. This distribution indicates a strong emphasis on operational efficiency and leadership, while also maintaining a robust sales force. The presence of specialized departments such as Information Technology and Engineering, albeit smaller in headcount, reflects a commitment to innovation and support functions within the organization.

Operations
97
Executive
65
Sales
57
Information Technology
31
Finance
24
Human Resources
10
Engineering
8
Community And Social Services
8
Health Services
5
Other
87

Advanced Drainage Systems Employees by Location

The company operates across 53 locations, with the largest presence in Hilliard, OH, housing 21 employees, followed by Columbus, OH, with 8, and London, OH, with 6. The significant headcount in 'Other' locations, totaling 295, suggests a distributed workforce that may be supporting various regional operations. This geographic diversity allows for flexibility and responsiveness to local market needs while maintaining a concentrated operational base in Ohio.

Hilliard, OH
21
Columbus, OH
8
London, OH
6
Findlay, OH
5
Houston, TX
4
Ludlow, MA
4
Bessemer City, NC
4
Hamilton
2
Cordele, GA
2
Other
295
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