# Box build assembly companies in Kolkata

> 4 box build assembly companies in Kolkata, West Bengal. 1 lists ISO 9001. Read from their own websites.

To narrow this list, search: https://santh.ai/api/suppliers?city=Kolkata&q=box%20build

See also: [PCB fabrication (9)](https://santh.ai/cities/kolkata/pcb-fabrication.md), [PCB assembly (12)](https://santh.ai/cities/kolkata/pcb-assembly.md), [PCB design (11)](https://santh.ai/cities/kolkata/pcb-design.md), [Transformers and magnetics (5)](https://santh.ai/cities/kolkata/transformers.md)

## Businesses (4)
- [Berylline® Labs Pvt. Ltd.](https://santh.ai/suppliers/berylline-labs-pvt-ltd.md): Deep-tech product engineering company in Kolkata offering FPGA, RF and microwave design, embedded systems and AI/ML development, along with electronics manufacturing services (PCB prototypes, box build and testing, PCB fabrication through partners).
- [Namita Electronics Industries](https://santh.ai/suppliers/namita-electronics-industries.md): Kolkata-based manufacturer of transformers and electronic components. It makes custom step up/down transformers and lists PCB assembly, plastic moulding and box-build assembly among its capabilities.
- [PL Electronics](https://santh.ai/suppliers/pl-electronics.md): Electronics Manufacturing Services (EMS) company in Kolkata, West Bengal, offering PCB assembly, system integration and box build for sectors such as automotive, energy, railway and telecommunications.
- [Synchro Electronics](https://santh.ai/suppliers/synchro-electronics.md): Kolkata-based electronics manufacturer, founded in 1993. It provides third-party EMS and contract manufacturing for OEMs (PCB assembly, electro-mechanical assembly, cable and wiring harnesses, box build). It also makes its own product lines, including test and measuring instruments, consumer electronics, elevator products and PCBs.