For over 40 years, Seneca Companies has grown to be an industry leader in petroleum design, construction, service and comprehensive containment and dispensing solutions. Our factory-trained and experienced team has the skillset and professionalism to handle all aspects of your new fueling site, remodel project, service upgrade or parts order.
Visit our Online Parts Store for your petroleum equipment needs. It’s open 24/7 to better serve you!
Click on the state below to see the applicable Seneca contacts based on the service and location of work, or CLICK HERE for general contact information for states outside of the territory map below.
Agfinity - Site Remodel
Agfinity Bulk Plant
Airport Fuel Facility Relocation
Casey's General Store
Contaminated Soil Disposal
Conversion of 39 C-Store Locations
Diesel Fuel Restoration
Due Diligence for Commercial Building
Fuel System Installations
Ground Up Bulk Storage Plant
Ground Up Construction of Convenience Store
John's Qwick Stop - UST and Canopy Installation
Property Purchase Due Diligence
Quad City International Airport
Fuel Systems Service Flyer
Online Fuel Systems Parts Store Flyer
Compliance Management Flyer