Sigma's processes are managed on principles of ISO 9001:2015 Quality Management System. The company is enlisted with EIL. The products can also be supplied with IBR Certification and CE Mark (PED Directive, Sound Engineering Practice). Recognition and approval of our products by leading domestic, international companies / consultants & end users and repeat orders from our customers (export to US, Europe, Middle East & Asia Pacific countries), fuel our passion to go that extra mile in delivering the reliable gaging & control, needed for Tank Level & Flow Instrumentation Products.
Some of our Patrons...
- Adani
- BHEL
- BPCL
- CPCL
- EIL
- GAIL
- HPCL
- IFFCO
- IOCL
- L & T
- MIAL
- NPCIL
- NTPC
- ONGC
- PGCIL
- Reliance
- TATA
- Technip
- Toyo