# Industrial Gold > Industrial Gold manufactures reciprocating and rotary screw air compressors, air treatment equipment, and compressed air system components. Industrial Gold product information is organized by category, series, and build. “Oil-Free” is a build under the Industrial Duty category; some CMS records also use “Oil-Free” as the series value for organization. Product pages provide specifications and configuration details but do not list prices. Contact Industrial Gold or an authorized seller for pricing and availability. ## Air Compressors - [Reciprocating Air Compressors](https://www.industrialgold.com/reciprocating): Industrial-duty, commercial-duty, engine-driven, and Cube Air System reciprocating compressors. - [Industrial-Duty Reciprocating Compressors](https://www.industrialgold.com/reciprocating/industrial-duty): Industrial reciprocating compressor builds, including oil-lubricated and oil-free configurations. - [Commercial-Duty Reciprocating Compressors](https://www.industrialgold.com/reciprocating/commercial-duty): Reciprocating compressors for commercial and intermittent-duty applications. - [Engine-Driven Reciprocating Compressors](https://www.industrialgold.com/reciprocating/engine-driven): Mobile and remote-use reciprocating compressor packages. - [Rotary Screw Air Compressors](https://www.industrialgold.com/rotary-screw): Industrial rotary screw compressors designed for dependable continuous-duty operation. - [Open-Frame Rotary Screw Compressors](https://www.industrialgold.com/rotary-screw/open-frame): Open-frame rotary screw compressor configurations. - [Enclosed Rotary Screw Compressors](https://www.industrialgold.com/rotary-screw/enclosed): Sound-attenuated enclosed rotary screw compressors. - [Engine-Driven Rotary Screw Compressors](https://www.industrialgold.com/rotary-screw/engine-driven): Engine-driven rotary screw systems for mobile and job-site applications. - [Package Options](https://www.industrialgold.com/package-options): Available tanks, dryers, filters, controls, and package configurations. ## System Equipment and Support - [Air Treatment](https://www.industrialgold.com/air-treatment): Refrigerated and desiccant dryers, filters, separators, and coolers. - [Pipe and Fittings](https://www.industrialgold.com/pipe-fittings): Compressed air distribution pipe, fittings, conduit, and installation products. - [Parts and Service](https://www.industrialgold.com/parts-service): Compressor parts, maintenance products, technical support, and service resources. - [About Industrial Gold](https://www.industrialgold.com/about-us): Company and manufacturing background. ## Technical Resources - [Knowledge Base](https://www.industrialgold.com/knowledge-base): Manuals, guides, diagrams, product sheets, calculators, catalogs, and policies. - [How to Choose a Compressor](https://www.industrialgold.com/knowledge-base/how-to-choose): Guidance for selecting compressed air equipment. - [Owner's Manuals](https://www.industrialgold.com/knowledge-base/owners-manuals): Operating, maintenance, and safety documentation. - [Product Sheets](https://www.industrialgold.com/knowledge-base/product-sheets): Product specifications, performance data, dimensions, and options. - [Parts Diagrams](https://www.industrialgold.com/knowledge-base/parts-diagrams): Compressor assembly and replacement-part identification diagrams. - [Installation Guides](https://www.industrialgold.com/knowledge-base/installation-guides): Installation instructions for electric, engine-driven, hydraulic, and Cube systems. - [Service Guides](https://www.industrialgold.com/knowledge-base/service-guides): Maintenance and repair instructions for reciprocating and rotary screw compressors. - [Catalogs](https://www.industrialgold.com/knowledge-base/catalogs): Product catalogs for compressors, air treatment systems, and pipe and fittings. - [Warranty](https://www.industrialgold.com/knowledge-base/warranty): Warranty and support information.