Some parts can be a little rough. Others cannot. A bracket on a shelf is one thing, but a part inside an aircraft or a medical device is another. These parts must meet tight size limits, and the shop making them usually has to prove it follows strict quality steps.
This guide compares six Houston shops that serve aerospace, medical, and other demanding fields. Lowrance Machine is first because it pairs CNC and manual machining with molds, special bolts, and repairs, and it already serves aerospace and medical customers. If you are comparing a CNC machine shop in Houston for high-stakes work, start with the certification guide below.
What Aerospace and Medical Quality Marks Mean
| Mark | What it tells you |
|---|---|
| ISO 9001 | The shop follows written steps to make and check its work |
| AS9100 | A quality standard built for aerospace parts |
| ISO 13485 | A quality standard built for medical device parts |
| CMM inspection | A measuring machine checks the part against the plan |
Ask for the exact certificate your project needs before you place an order. A shop can be excellent and still not hold every mark, and a good CNC machine shop in Houston TX will share its certificates without fuss.
The Six Shops Side by Side
| Shop | Founded | Quality marks named | Strong at |
|---|---|---|---|
| Lowrance Machine | 1964 | ISO 9001:2015 | Machining, molds, special fasteners, repairs |
| Major Metals Machining | 1986 | AS9100 | Aerospace and defense prototypes and low-volume runs |
| RBR Machine | Not stated | ISO 9001:2015, ISO 13485, AS9100D | 5-axis milling, turning, wire cut EDM, CMM inspection |
| Gretna Machine Shop | 1980 | ISO, AS9100 | Energy, aerospace, and government work |
| Aggressive EDM, LLC | Not stated | Not stated | CNC plunge and wire EDM |
| EDM Extreme | Not stated | Not stated | Wire EDM |
1. Lowrance Machine: Best for Mixed Jobs Under One Roof
| Fast fact | Details |
|---|---|
| Address | 13510 East Hardy Road, Houston, TX 77039 |
| Phone | (281) 449-6524 |
| Website | https://www.lowrancemachine.com |
| Started | 1964, family-owned |
| Quality system | ISO 9001:2015 certified |
Most aerospace and medical projects are not just one part. A team might need a machined housing, a mold for a rubber seal, and a repair on the tool that makes them. Lowrance Machine can help with all three. When people search for a machine shop Houston buyers can use for more than one kind of job, that range is the reason it comes first.
The company has been family-owned since 1964. Its shop has horizontal and vertical lathes, machining centers, and manual machines, so a simple one-off part and a repeat part are both welcome. It makes engineered components such as piston rods, bearing housings, seal rings, and custom flanges. It builds and repairs rubber and urethane molds, makes non-standard bolts, studs, and nuts, and repairs shafts and threads.
Its ISO 9001:2015 certified quality system supports steady manufacturing and inspection. The shop serves aerospace, medical, oil and gas, packaging, and chemical customers, and it offers expedited service on request. If your drawing calls for a specific extra certificate, ask about it early so the team can tell you what applies.
Get started: Send your drawing to Lowrance Machine for a quote.
2. Major Metals Machining: Best for Aerospace and Defense Prototypes
Major Metals Machining is a Houston supplier that focuses on aerospace and defense and was founded in 1986. It holds AS9100 certification and stresses fast lead times. It makes complex prototypes and also handles high-mix, low-volume production, which means many different parts in small batches. It also serves energy and industrial customers.
Best for: Aerospace buyers who need a few precise parts quickly.
3. RBR Machine: Best for Certificates and Inspection
RBR Machine is a Houston precision shop that lists ISO 9001:2015, ISO 13485, and AS9100D certifications. That is a rare trio, covering general, medical, and aerospace quality. It offers 5-axis milling, turning, wire cut EDM, and CMM inspection, and it serves aerospace, defense, oil and gas, medical, and maritime customers.
Best for: Medical or aerospace parts where certificates are required on the purchase order.
4. Gretna Machine Shop: Best for Family-Run Production With Certificates
Gretna Machine Shop has been in Houston since 1980 and is still family-owned. It is ISO certified and holds AS9100. It describes itself as a lean manufacturing shop that serves energy, aerospace, and government customers, and it can build a prototype or handle high-volume runs.
Best for: Buyers who want a family company with aerospace-grade quality marks.
5. Aggressive EDM, LLC: Best for Hard Metals and Tiny Cuts
Aggressive EDM is a custom Houston shop that specializes in CNC plunge and wire EDM. Electrical discharge machining, or EDM, uses sparks from an electrical charge to cut hard metal, which helps when normal cutting tools struggle.
Best for: Hard or complex shapes that regular milling cannot cut well.
6. EDM Extreme: Best for Wire EDM Only
EDM Extreme is a Houston shop that focuses on wire EDM. In this process a thin charged wire slices through metal along a programmed path.
Best for: Jobs that mainly need wire-cut shapes.
Questions to Ask on Your First Call
Use these with any machine shop Houston TX on your list:
- Which certificates do you hold, and can you send copies?
- Can you inspect the part and share the measurements?
- How many pieces can you make now and later?
- What is the lead time, and is rush service available?
- Can you handle related work, such as molds or repairs, if I need it?
Frequently Asked Questions
Does Lowrance Machine serve aerospace and medical customers?
Yes. Aerospace and medical are two of the industries it serves, along with oil and gas, packaging, and chemical work.
What quality system does Lowrance Machine use?
It has an ISO 9001:2015 certified quality management system for consistent manufacturing and inspection.
Can Lowrance Machine make custom parts and molds?
Yes. It makes custom precision components, engineered parts, special fasteners, and rubber and urethane molds to your requirements.
Final Thoughts
Every shop here has its own sweet spot. Major Metals Machining and RBR Machine bring aerospace and medical certificates, Gretna blends family service with AS9100, and the two EDM shops handle hard metals. Still, for a team that wants one machine shop Houston manufacturers can count on to machine, mold, make special fasteners, and repair under one roof, Lowrance Machine offers the most range.
Ready to begin? Visit Lowrance Machine or call (281) 449-6524 to start your project.