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Mining, Oil Drilling, and Refining Manufacturing Companies in the United States
The extraction, processing, and refining of natural resources remain cornerstones of the American economy. These sectors demand rugged, high-performance equipment, precise fabrication, and dependable support services from manufacturers that understand the extreme conditions and regulatory pressures involved. RFQ USA is a national directory built to help sourcing professionals, engineers, and project managers identify and connect with U.S.-based companies that specialize in serving the mining, oil, and refining industries.
Our platform features manufacturers that supply everything from custom-fabricated drilling equipment and structural components to processing machinery, pipeline infrastructure, skids, filtration systems, and explosion-proof enclosures. These companies are thoroughly vetted and known for providing durable solutions that meet the rigorous demands of underground mining, offshore drilling, and large-scale refining operations across the country.
Built for Harsh Environments, Certified for Critical Performance
Suppliers featured on RFQ USA understand the unforgiving nature of the environments their products must withstand. Whether it’s abrasive underground conditions, high-pressure wellbores, or high-temperature refinery environments, the products built by these manufacturers are designed with longevity and safety in mind. Many are ASME-certified, ISO 9001:2015 compliant, and ITAR registered, and some hold additional industry-specific certifications relevant to chemical processing, petroleum refining, or explosive atmospheres.
Fabricated products are often built to meet NACE standards for corrosion resistance, API specifications for oilfield equipment, or NEC Class I Div II requirements for use in hazardous locations. This level of capability allows RFQ USA-listed manufacturers to support everything from upstream drilling and extraction to downstream refining and fuel storage.
Fabricated Equipment, Pressure Vessels, and Drilling Components
The manufacturers listed in this category offer wide-ranging capabilities across metal fabrication, machining, and assembly. Projects may include the production of skidded systems for oilfield operations, pressure vessels for gas or fluid storage, custom manifolds for hydraulic fracturing, and piping modules for crude or refined product transport.
For mining applications, RFQ USA includes companies that build structural supports, material handling systems, crusher housings, and wear-resistant liners. These parts and systems are engineered to withstand abrasive rock contact, vibration, high loads, and chemical exposure.
For oil drilling clients, precision-built rotary equipment, custom mud tanks, heat exchangers, and fabricated rig components can be sourced through manufacturers who offer full in-house design support, welding to AWS or ASME codes, and documented NDE or hydrostatic testing for code compliance.
Turnkey Systems for Refineries and Petrochemical Plants
Downstream clients such as refineries, chemical processors, and terminal operators rely on complex assemblies and system integration, and the manufacturers on RFQ USA are prepared to meet those needs. These companies can support the fabrication of pipe spools, burner housings, exchanger supports, control panels, and welded stainless assemblies required to handle volatile fluids or gases.
In many cases, fabrication is paired with design assistance, pressure testing, and finishing processes like sandblasting, passivation, or painting for corrosion control. Whether your facility handles fuel blending, crude oil processing, or biofuel production, the RFQ USA platform helps you identify vendors who understand the level of cleanliness, quality, and accountability required for safe refining operations.
Supporting American Industry, Energy Security, and Economic Growth
The manufacturers featured in this directory play an important role in keeping America’s energy and materials infrastructure operational and competitive. Many are family-owned businesses with decades of experience in heavy fabrication, and others are mid-sized manufacturers with specialized CNC capabilities, ERP-managed shop floors, and full traceability throughout production.
RFQ USA also supports supplier diversity and economic development by highlighting companies based in HUBZones, certified as Woman-Owned or Veteran-Owned Businesses, or committed to sustainable manufacturing practices. Whether you are a Fortune 500 oil and gas company or a contractor supporting regional utility projects, you will find suppliers that align with your values, project timelines, and compliance standards.
Start Sourcing U.S.-Based Mining, Oil Drilling, and Refining Manufacturers with RFQ USA
With RFQ USA, you can browse American manufacturers offering specialized equipment, contract fabrication services, or parts for your next large-scale industrial project. Our intuitive platform allows you to search by capability, certification, or industry focus, all without requiring registration or subscriptions.
If your company provides fabrication, machining, or component manufacturing services for the mining, oil, or refining industries and you meet appropriate certification standards, we welcome you to apply for inclusion in the RFQ USA directory. We are committed to connecting buyers with the most qualified and reliable U.S. manufacturing partners available.