Welcome to NPM Inc. 

Since 1998, Nicholson Petroleum Maintenance, Inc. has been providing top-notch repair, maintenance, and testing services for UST (underground storage tank) sites in the Monterey Bay area of California. Our experienced team is dedicated to ensuring that your fueling system is safe, reliable, and efficient. 

Why Choose Nicholson Petroleum Maintenance? 


Expertise in Petroleum Maintenance

With over 30 years of experience in the petroleum maintenance business, you can trust Nicholson Petroleum Maintenance to provide you with the highest quality service and expertise.

Ensuring Safe and Reliable Fueling Systems

Our team of certified professionals is dedicated to ensuring that your UST site is safe and reliable. 

Cost-Effective Solutions

At Nicholson Petroleum Maintenance, we understand the importance of keeping your fueling system running smoothly without breaking the bank. Our cost-effective solutions will help you save money on repairs, maintenance, and testing.

How We Work 

40+ 

Years of Experience

300

UST Sites Serviced

At Nicholson Petroleum Maintenance, we take a comprehensive approach to petroleum maintenance, ensuring that your UST site is safe, reliable, and meets all regulatory requirements. Our team of experts will work with you to develop a customized maintenance plan that fits your needs and budget. Whether you need repairs, maintenance, or testing services, we've got you covered. 

Contact Us for a Quote Today