Contract Manufacturing
Built to your Spec.
Precision CNC machining, product assembly, and turnkey fabrication — trusted by energy industry leaders since 1954. Now available for your contract manufacturing needs.
ISO 9001:2015 Certified
90+ U.S. Patents
SAM Registered
Sugar Land, TX
- sales@welker.com
- 281.491.2331
World Class Manufacturer Providing Contract Manufacturing Services — ISO 9001:2015 Certified · Welker Quality System
Piece by Piece
Assembly
No space for an assembly line? Let our Assembly Technicians do the work for you. With decades of experience, our skilled techs can assemble your equipment with precision and repeatability.
- Product Assembly
- Enclosures
- Panels
- Wiring Electrical Components
Piece by Piece
Assembly
No space for an assembly line? Let our Assembly Technicians do the work for you. With decades of experience, our skilled techs can assemble your equipment with precision and repeatability.
- Product Assembly
- Enclosures
- Panels
- Wiring Electrical Components
From Raw to Polished
Machining
Our on-site manufacturing capabilities allow us to control production to optimize equipment performance. Blending old and new technology, our machinists skillfully transform raw material into polished products. With a variety of machines, we are set up for small- and large-volume production runs of basic and complex parts.
- Lathe
- Small Batches
- Inspection
- Mill
- Production Runs
- Quality Documentation
From Concept to Reality
Manufacturing Ideas.
Let Welker be your partner in innovation! Our design and manufacturing engineers will collaborate with you to turn your vision into reality. If you can dream it, we can do it!
- Collaborate With Our Engineers to Develop and Manufacture New Products
- Concept-to-Completion Engineering Support
- Custom Component Design & Prototyping
- Turnkey System Fabrication & Testing
Your Overflow Solution
Why Choose Welker?
When your shop is running at capacity, critical projects can't wait. Welker's Sugar Land facility is ready to serve as a trusted extension of your team — whether you're a large corporation sourcing component parts, an EPC firm with overflow shop work, or a company looking for a reliable Houston-area machine shop partner.
- 70+ years of precision manufacturing experience
- ISO 9001:2015 certified — every part, every time
- In-house engineering for DFM & design review
- Flexible capacity: prototype to high-volume production
- 90+ U.S. Patents — proven engineering excellence
- Greater Houston area
- SAM registered & ready for government contracts
70+
Years in Operation
90+
U.S. Patents
ISO
9001:2015 Certified
SAM
Government Registered
Federal & Government Contracting
Registered & Ready for Government Work
Welker is fully SAM-registered and holds all required identifiers for federal, state, and defense agency procurement. Our certifications and compliance history make us a dependable government manufacturing partner.
Registration Identifiers
| Identifier | Value | Description |
|---|---|---|
| UEI | TJY8Q8MFXJX3 | Unique Entity Identifier (SAM.gov) |
| CAGE Code | 0LD37 | Commercial & Government Entity Code |
| D-U-N-S | 069629780 | Dun & Bradstreet Number |
Registration Identifiers
| Code | Description |
|---|---|
| 332710 | Machine Shops |
| 332721 | Precision Turned Product Manufacturing |
| 332999 | All Other Miscellaneous Fabricated Metal Product Manufacturing |
| 333999 | All Other General Purpose Machinery Manufacturing |
| 333132 | Oil and Gas Field Machinery and Equipment Manufacturing |
Certifications & Approvals
- ISO 9001:2015
- DOT Special Permits
- CRN & Transport Canada
- CE (EU Community)
- UL Certification
- CSA Certification
- NEC Compliance
- IECEx Certification
- ATEX Certification
- PED Compliance
Federal Procurement
Sourcing manufacturing work through a GSA Schedule, IDIQ, or federal contract vehicle? Contact our team to discuss how Welker can support your procurement requirements.
Trusted by Industry Leaders
- Chevron
- ExxonMobil
- BP
- Shell
- Enbridge
- Kinder Morgan
- Colonial Pipeline
- Phillips 66
- Enterprise
Ready to Get Started?
Put Our Shop to Work for You
Tell us about your project — from a single component to a full production program. Our engineering team will respond quickly with a capabilities overview and quote.
