Keeping North Dakota's Oil Industry Running Strong
Diamond W LLC offers dependable equipment rental and maintenance services designed to keep your operations efficient and safe. From mobile rig heaters to valve testing and maintenance, our Williston-based experts provide 24/7 support to ensure your business thrives, no matter the challenge.
Maintenance | Servicing | Certification | Equipment Rentals
Expert Valve Testing & Maintenance
Ensure your equipment meets safety standards with our valve testing and maintenance services. We specialize in mobile pressure relief valve testing and gate valve maintenance, offering on-site repairs and preventative care.
Trust Diamond W LLC to keep your systems performing at their best with our mobile on-site services.
Keep Your Operations Running Smoothly
Your operations deserve the best—let Diamond W be your go-to partner for all your equipment and maintenance and certification solutions.
Comprehensive Heating & Cooling Solutions
Stay operational year-round with Diamond W LLC’s heating and cooling services. We offer mobile rig heater rentals to protect your equipment in freezing temperatures and fluid coolers to manage your temperature regulation needs.
With our reliable rental equipment paired with our 24-hour maintenance, your operations will remain uninterrupted.