Petroleum services, done right.
From tanks to total installs, we make petroleum projects easy for project and site managers by staying hands-on, proactive and accountable.
Petroleum is high-stakes work, and the team at Mansfield knows how to get it done right. Whether you’re installing a new tank or upgrading a non-compliant site, we take the complexity off your plate. You'll deal directly with the people doing the work, and the same team from planning through to final sign-off.
We deliver petroleum services you can rely on.
End-to-end management
Design & Construction
Robust and reliable fuel systems that work, and built to your site’s constraints. Working closely with engineers, we innovate and deliver solutions that keeps your fuel flowing.
Project Management
Expect nothing less than total oversight and clear communication. We manage every detail — timelines, budgets, and stakeholders — to deliver efficient, stress-free projects completed exactly as promised.
Tank Installation
Tanks are installed with precision and care, ensuring safety, compliance, and minimal disruption. Our approach delivers uninterrupted fuel supply and peace of mind from day one.
Testing
From ultrasonic checks to pressure tests, we ensure your tank is structurally sound, compliant, and built to last — with minimal downtime.
Service & Maintenance
Proactive maintenance and fast response times that keep your systems fully operational.
Site compliance you can trust
Mansfield is fully compliant with SiteWise and ISN. Safety and industry standards are built into everything, so you can count on safe and reliable project delivery.
Petroleum Services FAQ
We design, install, maintain, and certify fuel systems for service stations, truck stops, and commercial sites across New Zealand. From full system installations to tank removals and compliance upgrades, our team delivers end-to-end petroleum solutions that meet HSNO standards.
Yes. We specialise in HSNO (Hazardous Substances and New Organisms) compliance for underground and above-ground fuel systems. Our team will design and install systems that meet NZ regulations and provide the certifications you need to keep operating safely through our third-party certifier.
Absolutely. We offer turnkey solutions to upgrade your fuel system based on your site-specific requirements. Contact us to talk through your options.
You’ll work directly with our senior team. This means no call centres or layers of management, just straight answers and responsive service.
Our clients say it’s our speed, integrity, and personal service. We’re a small, agile team that gets the job done right, on time, and to spec. With over 60 years in the industry, we’re trusted by major brands nationwide.
Yes. We offer ongoing maintenance and servicing for fuel systems, helping you stay compliant and avoid costly downtime. Many clients also call us when their existing compliance certification is due for renewal.
Call Mansfield when you need:
One team, start to finish
Tired of juggling contractors? We manage the design, install and compliance - no chasing contractors, no loose ends.
Fast installs. Minimal disruption
Deadlines matter. We get in, get it done, and keep your site moving.
Compliance, locked in
HSNO, local regs, certifications - we speak fluent paperwork, so you don’t have to.
People who show up
Call the person doing the job, not a call centre. We turn up, own it, and do it right.
