US · FMCSA ACTIVE
SENECA COMPANIES INC
dba SENECA COMPANIES
Des Moines, IA 50313 · DOT 602542
Company profile
Web-discovered · as of 2026-07-30
Seneca Companies provides comprehensive, full-service solutions including petroleum service, fuel systems construction, environmental services, and waste solutions, operating a large, specialized private fleet for its own field services and projects.
Fleet use
Specialized service
Operating scope
National
Service model
own account
Equipment
tanker, dump, box truck, specialized
Ownership
Private
Employees
100-499
HQ · 4140 E 14th St, Des Moines, IA 50313, USA
Active website, recent press releases (2025), and active LinkedIn, confirming ongoing petroleum and environmental services.
Registry record
Source FMCSA · as of 2026-07-08
Fleet size
238
power units
Activity
road freight carrier
private licence
In operation since
1995
349 drivers
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