Contract Manufacturing
Built to Your Spec
Precision CNC machining, product assembly, marking and engraving, and turnkey fabrication — from the same Sugar Land, TX shop energy industry leaders have trusted since 1954.
When your shop is at capacity, critical projects can’t wait. Welker is ready to be 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, our World Class manufacturing team delivers — every part, every time, under the Welker Quality System.
Assembly
No space for an assembly line? Let our Assembly Technicians do the work for you. With decades of experience, our skilled techs assemble your equipment with precision and repeatability.
Product Assembly
Enclosures
Panels
Wiring
Electrical Components
Assembly
Marking & Engraving
Need parts marked for traceability, compliance, or identification? Our in-house marking and engraving delivers clean, legible results built to withstand demanding industrial environments — from serial numbers to certification data.
Serial Number Engraving
Part Number Marking
Nameplates & Tags
Compliance & Certification Markings
Marking & Engraving
Machining
On-site manufacturing lets us control production to optimize performance. Blending old and new technology, our machinists transform raw material into polished products — set up for small- and large-volume runs of basic and complex parts.
Lathe
Mill
Small Batches
Production Runs
Inspection
Quality Documentation
Machining
Engineering & New Products
Let Welker be your partner in innovation. Our design and manufacturing engineers collaborate with you to develop and manufacture new products — if you can dream it, we can build it.
Concept-to-Completion Engineering Support
Custom Component Design & Prototyping
Turnkey System Fabrication & Testing
Engineering
Registered & Ready for Government Work
Welker is fully SAM-registered and holds the identifiers required for federal, state, and defense agency procurement. Our certifications and compliance history make us a dependable government manufacturing partner.
SAM Registered
ISO 9001:2015 Certified
Sugar Land, TX
Registration Identifiers
UEI · Unique Entity Identifier (SAM.gov)
TJY8Q8MFXJX3
CAGE Code
0LD37
D-U-N-S Number
069629780
NAICS Codes
Why Choose Welker?
Seventy years of precision manufacturing, in-house engineering, and flexible capacity — from prototype to high-volume production.
70+
Years in Operation
90+
U.S. Patents
ISO
9001:2015 Certified
SAM
Government Registered
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
Located in the Greater Houston area
Multiple Shifts to handle production
SAM registered & ready for government contracts
How It Works
Three Steps to Production
Send Your RFQ
Share drawings, quantities, materials, and timeline with our contract manufacturing team.
Engineering Review
Our engineers review for manufacturability and confirm scope, lead time, and quality documentation.
Build, Inspect, & Ship
Parts are produced, inspected, and documented under the Welker Quality System.
Have an Overflow Project?
Send us your drawings and we’ll get you a quote.