Shelmex Arneses
Guadalupe, Nuevo León·Contract manufacturer
- 51–100 employees
- ✓ Takes outside orders
- ✓ Exports
- ✓ ISO 9001
- ✓ C-TPAT
- ✓ IMMEX
- ~190 km to Reynosa
Researched October 11, 2026 from the company’s website · Company record: INEGI DENUE, May 2026
What they make
Custom wire harnesses
“Shelmex is a custom wire harness manufacturer in Mexico. We design and build complete wiring harnesses to your drawings and specifications”shelmex.com
Cable assemblies
“Shelmex partners with companies across the United States, Mexico, and around the world to build wire harnesses, cable and electronic assemblies, and complete products.”shelmex.com
Capabilities
✓ on their website~ likely, from their industry? not stated
Processes
✓Cable wire harness
“Custom Wire Harness Manufacturing in Mexico Shelmex is a custom wire harness manufacturer in Mexico.”shelmex.com
- ~PCB assembly
- ~Other
Materials
✓PVC
“Insulation materials: PVC, Teflon, Kynar, X-Link, Fiberglass, and DMD (Dacron/Mylar/Dacron).”shelmex.com
✓Fiberglass and composites
“Insulation materials: PVC, Teflon, Kynar, X-Link, Fiberglass, and DMD (Dacron/Mylar/Dacron).”shelmex.com
- ~Silicone
- ~Copper and brass
- ~Precious metals
- ~Other
Certifications
✓ISO 9001
“Certifications: ISO 9001, C-TPAT, SAT IVA/IEPS, and IMMEX.”shelmex.com
✓C-TPAT
“Certifications: ISO 9001, C-TPAT, SAT IVA/IEPS, and IMMEX.”shelmex.com
✓IMMEX
“Certifications: ISO 9001, C-TPAT, SAT IVA/IEPS, and IMMEX.”shelmex.com
Industries
✓Appliances
“Home and commercial appliances Washers, dryers, refrigerators, electric stoves and ranges”shelmex.com
✓Industrial equipment
“Industrial equipment Machinery and equipment that runs in demanding conditions.”shelmex.com
✓Energy and electrical
“Solar and renewable energy Harnesses for solar panels and renewable energy equipment.”shelmex.com
✓Electronics
“Data and servers Fiber optic harnesses for servers and data centers.”shelmex.com
- ~Automotive
- ~Telecom
Capacity
Harnesses from 2 to 300 circuits
“Circuit range: harnesses from 2 to 300 circuits.”shelmex.com
Cutting and stripping AWG 32 wire to 535 MCM cable
“Wire and cable range: cutting and stripping from AWG 32 wire to 535 MCM cable, in single and multiple conductors.”shelmex.com