About Case Studies Financing Locations News Room Store Training Contact Us Fuel Systems General Contracting Environmental Services Waste Solutions Services Remediation & Process Controls Automotive & Commercial Equipment See All Services Casey's General Store Read Case Study Click HERE for communications released regarding the coronavirus (COVID-19). The well-being and safety of our customers and our employees is our top priority while making sure we can serve our customers to the best of our abilities during these times. Seneca Companies provides clients with "The Complete Solution" from project design and planning to maintenance, service, parts distribution and compliance. Although known as an established leader in the Petroleum Industry, Seneca Companies is made up of several divisions working together to serve a wide array of industries' needs. Each unit consists of an experienced and knowledgeable team, focused on delivering prompt, full-service specialty solutions. It is this diversity that ensures we deliver "The Complete Solution" to customers. Recent News Seneca Companies, Inc. Hires National Account Manager August 02, 2021 Seneca Companies Denver branch personnel changes and additions May 06, 2021 See more news Fuel Systems General Contracting Environmental Services Waste Solutions Services Remediation & Process Controls Automotive & Commercial Equipment See all services Email Newsletter Join our email list and keep up-to-date on what is happening at Seneca Companies. Subscribe Now Home About Us Services Locations News Room Store Training Credit Application Careers Contact Us 866.984.3923 Copyright 2021 Seneca Companies | Privacy Policy

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