# Macnaught USA > Premium manufacturer of high-performance fluid management, lubrication, and flow measurement systems for industrial, automotive, and agricultural sectors. ## Product Categories - [Flow Meters](https://www.macnaughtusa.com/collections/flow-meters): Precision oval gear technology for measuring clean liquids, fuels, and industrial chemicals. - [Grease Pumps & Equipment](https://www.macnaughtusa.com/collections/manual-grease-pumps): Heavy-duty manual, battery-powered, and air-operated greasing systems. - [Oil Pumps & Dispensers](https://www.macnaughtusa.com/collections/oil-equipment): High-reliability oil transfer solutions for workshops and service trucks. - [Fuel Transfer Pumps](https://www.macnaughtusa.com/collections/fuel-pump-equipment): Durable 12V, 24V, and 115V pumps for efficient diesel and fuel distribution. - [Hose Reels](https://www.macnaughtusa.com/collections/hose-reels): Industrial retractable reels for air, water, oil, grease, and fuel management. - [BOP (Battery Oil Pumps)](https://www.macnaughtusa.com/collections/battery-operated-oil-pumps): Award-winning 18V rechargeable oil charging systems for mess-free fluid handling. - [Diaphragm Pumps](https://www.macnaughtusa.com/collections/diaphragm-pump): Versatile air-operated pumps designed for transferring industrial fluids and chemicals. - [Grease Equipment](https://www.macnaughtusa.com/collections/grease-equipment): A comprehensive range of heavy-duty lubrication tools and accessories. - [Lubrication Accessories](https://www.macnaughtusa.com/collections/grease-accessories): High-pressure couplers, nozzles, and specialized tools for professional lubrication. ## Technical Resources & Support - [Instruction Manuals](https://www.macnaughtusa.com/pages/instruction-manuals): Comprehensive library of technical specifications, installation guides, and parts lists. - [Warranty & Registration](https://www.macnaughtusa.com/pages/warranty-registration): Information on the Macnaught industry-leading 10-year warranty program. - [About Us](https://www.macnaughtusa.com/pages/about-us): Our history of engineering excellence and innovation since 1948. - [Contact Us](https://www.macnaughtusa.com/pages/contact-us): Direct access to technical assistance and sales inquiries for North America.