At Unified Contracting Services, our mission is to help Iowa’s retail marketers stay compliant, confident, and focused on running their business—while we handle the regulations. As an Iowa-based small business, we take pride in supporting fellow Iowa businesses with responsive service, practical solutions, and deep industry knowledge.
 

Environmental compliance with state and federal EPA regulations isn’t optional—it’s essential. With over 20 years of experience in the petroleum industry, Unified understands the real-world challenges retailers face. We don’t just test equipment; we help protect your operation, reduce risk, and simplify compliance so there are no surprises during inspections.
 

Unified provides comprehensive testing, inspection, and compliance services for all types of facilities—from large truck stops and commercial operations to small, family-owned retail stations and emergency power generator systems. Whether your site is simple or complex, we tailor our services to fit your needs.

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Our services include:

• Containment sump testing

• Spill bucket testing

• Overfill prevention testing

• Stage I vapor recovery testing

• Cathodic protection testing, repairs, and installations

• Annual line and leak detector testing

• Leak detection functionality testing

• Monthly and annual walkthrough inspections

• State regulatory compliance inspections

• Regulatory document record keeping

• Inspection and testing tracking

• Custom compliance packages designed around your facility
   

With Unified, you gain a trusted compliance partner—not just a service provider. We stay current on evolving UST regulations so you don’t have to, helping your business remain compliant, efficient, and ready for the future.