--- title: "Energy & Oil & Gas Manufacturing | API & Downhole Parts | OpenSpindle" description: "Find independent machine shops for energy, oil, and gas parts. API-spec, NACE MR0175 sour-service, and corrosion-resistant hardware with full material traceability. Upload a drawing." canonical: https://openspindle.com/industries/energy-oil-gas --- # Energy, oil and gas manufacturing partners Downhole, wellhead, and pressure-service hardware runs in corrosive, high-pressure, high-temperature environments where material and traceability are not optional. Find independent machine shops set up for energy and oil and gas work, then talk directly to the shop making your part. **Certifications:** ISO 9001, API, NACE MR0175, Material traceability ## Energy and oil and gas shops on OpenSpindle Real shops that machine and fabricate energy, oil, and gas parts. See their equipment and certifications, and talk to the person making your part. [Browse all energy and oil and gas shops](https://openspindle.com/manufacturers?q=Energy) ## Certifications For energy and oil and gas work, the material and its documentation are often the gate. Look for these on a shop before you send a drawing for pressure or sour service, and confirm the specific scope for your part. - **ISO 9001:** The general quality management baseline. The starting expectation for any shop quoting energy and oil and gas work, and often paired with API and NACE requirements on the print. - **API specifications:** American Petroleum Institute standards for oilfield equipment, such as API 6A for wellhead and Christmas-tree components and API 5CT for casing and tubing. Prints commonly call out a specific API spec and material class for the part. - **NACE MR0175 / ISO 15156:** The material requirements for sour service, where hydrogen sulfide (H2S) can cause sulfide-stress cracking. Governs which alloys, hardness limits, and heat treatments are allowed on parts exposed to sour environments. - **Material traceability:** Mill test reports, heat and lot numbers, and certificates of conformance tying every part back to its raw stock. Essential for pressure-containing and downhole hardware where material provenance must be proven. ## Capabilities for This Industry - [CNC Turning](https://openspindle.com/capabilities/cnc-turning.md) -- Downhole tubulars, valve stems, mandrels, and pins to tight tolerances. - [CNC Machining](https://openspindle.com/capabilities/cnc-machining.md) -- Milled valve bodies, manifolds, and housings from corrosion-resistant alloys. - [5-Axis Machining](https://openspindle.com/capabilities/5-axis-machining.md) -- Complex tool bodies and flow components in a single setup. - [Welding](https://openspindle.com/capabilities/welding.md) -- Pressure-service and overlay welding in stainless, alloy steel, and nickel alloys. - [EDM & Wire EDM](https://openspindle.com/capabilities/edm.md) -- Hardened and high-strength alloys, fine detail, and features milling cannot reach. - [Waterjet Cutting](https://openspindle.com/capabilities/waterjet-cutting.md) -- Cold cutting for thick plate with no heat-affected edge. ## Common Materials - [Stainless Steel](https://openspindle.com/materials/stainless-steel.md) -- 316 and duplex grades for corrosion resistance in wet and sour service. - [Carbon & Alloy Steel](https://openspindle.com/materials/carbon-steel.md) -- 4140 and 4340 for high-strength downhole and pressure hardware. - [Titanium](https://openspindle.com/materials/titanium.md) -- Corrosion resistance and strength-to-weight for aggressive well environments. - [Copper](https://openspindle.com/materials/copper.md) -- Electrical and thermal conductivity for power and energy applications. - [Brass](https://openspindle.com/materials/brass.md) -- Fittings, valve components, and instrument parts. ## Typical Parts - Valve bodies - Flanges & fittings - Downhole tool bodies - Pump & compressor parts - Housings & manifolds - Shafts & stems - Instrument & sensor housings ## Why OpenSpindle - **Talk directly to the shop:** No account manager in the middle. You work with the shop actually making your part, which matters when a sour-service material call or pressure rating needs a real engineering conversation. - **No sales gate:** Upload a drawing and request quotes without a sales rep or account manager in the middle. Faster than the login-walled portals. - **Material traceability up front:** Shops list their quality certifications and traceability practices on their profile, so you can shortlist before you send a print for pressure or sour service. - **Compare multiple shops:** See several independent shops set up for energy and oil and gas work, and compare quotes rather than taking a single price. ## Frequently Asked Questions ### Can shops make NACE MR0175 sour-service parts? Yes. Many energy shops on OpenSpindle machine to NACE MR0175 / ISO 15156 for sour service, using qualified alloys and hardness-controlled heat treatments. Call out the material class, hardness limits, and any H2S exposure on your drawing, and confirm the requirement directly with the shop. ### Can I get API-spec parts made? Yes. Shops routinely quote components to API specifications such as API 6A for wellhead and Christmas-tree parts and API 5CT for casing and tubing. Note the specific API spec, material class, and pressure rating on your print so shops quote the correct material and testing. ### Which corrosion-resistant alloys are common for oil and gas? Stainless steels (316 and duplex), high-strength alloy steels (4140, 4340), and titanium are common. Inconel and other nickel alloys are widely used for sour and high-temperature service where standard steels will not survive. Note the alloy, condition, and any NACE requirement in your request. ### Can shops handle large or heavy parts? Many energy shops run large-capacity lathes and mills for valve bodies, flanges, and long tubulars. Give the part envelope, weight, and bore or length in your request so shops can confirm their machine capacity and workholding before quoting. ### Do shops provide material certs and traceability? Energy and oil and gas shops typically provide mill test reports, heat and lot traceability, and certificates of conformance. Specify the documentation, any NACE or API testing, and source-inspection requirements in your request so shops quote them in. ### What tolerances can these shops hold? Precision energy shops commonly hold turned diameters and threaded connections to tight tolerances, with grinding and EDM for critical features. Call out the datums, critical dimensions, thread specs, and inspection level on your drawing. ### What files should I send for a quote? STEP, IGES, X_T, or a fully dimensioned PDF drawing with datums, GD&T, material and material class, pressure rating, finish, quantity, and inspection requirements. Flag any NACE sour-service or API-spec requirement so shops quote the correct material and testing. ## Related Industries - [Aerospace & Defense](https://openspindle.com/industries/aerospace-defense.md) - [Medical Devices](https://openspindle.com/industries/medical-devices.md) - [Robotics & Automation](https://openspindle.com/industries/robotics-automation.md) - [Electronics](https://openspindle.com/industries/electronics.md) - [Automotive](https://openspindle.com/industries/automotive.md) - [Architecture & Construction](https://openspindle.com/industries/architecture-engineering-construction.md) ## Get energy and oil and gas quotes Upload a drawing once and compare quotes from independent shops set up for corrosion-resistant, pressure, and sour-service parts.