Siirtec Nigi is an ENGINEERING AND CONTRACTING COMPANY operating internationally in the field of ✔ oil and gas treatment ✔ sulphur recovery ✔ acid gas removal We design and supply TURNKEY PLANTS, SKID-MOUNTED AND MODULAR PACKAGES and PROCESS EQUIPMENT. Our CUSTOMERS are oil and gas companies and EPC contractors. SERVICES ✔ process studies ✔ license and basic design package ✔ FEED ✔ detail engineering ✔ procurement ✔ fabrication ✔ construction ✔ pre-commissioning/commissioning ✔ start-up ✔ training of operators ✔ spare parts supply ✔ operation and maintenance support ✔ operation optimisation Process development by Siirtec Nigi and its talented staff help to maintain the company among the leading SULPHUR TECHNOLOGY PROVIDERS. EXPERIENCE Over the last 40 years, Siirtec Nigi has successfully COMPLETED MORE THAN 500 PROJECTS in more than 40 countries, implementing both large greenfield and revamping/upgrading projects. ➔ For job openings please visit our website Careers page.
| Website | http://www.siirtecnigi.com |
| Revenue | $291 million |
| Employees | 90 (54 on RocketReach) |
| Address | Via Algardi 2, Milano, Lombardy 20148, IT |
| Phone | +39 390 239 2231 |
| Industry | Oil and Gas, Commercial & Residential Construction, Oil & Gas Treatment, Construction, Engineering, Procurement, Construction, Technologies Licensing |
| Web Rank | 5 Million |
| Keywords | Oil And Gas, Gas Treatment, Turnkey Plants, Process Equipment, Engineering, Contracting, Plant Design, Process Design, Chemical Engineering, Energy, Refinery, Gas Processing, Environmental Solutions |
| Competitors | SABIC, Air Products, DOKTER ROOBAERT GERLINDE, Fluor Corporation, Jacobs, KBR, Inc., TechnipFMC, Yara International, Amec Foster Wheeler, Saipem +43 more (view full list) |
| SIC | SIC Code 35 Companies, SIC Code 356 Companies |
| NAICS | NAICS Code 33 Companies, NAICS Code 333 Companies, NAICS Code 3339 Companies |
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Siirtec Nigi Questions
The Siirtec Nigi annual revenue was $291 million in 2026.
Wanda Opizzi is the MANAGING DIRECTOR of Siirtec Nigi.
54 people are employed at Siirtec Nigi.
Siirtec Nigi is based in Milano, Lombardy.
The NAICS codes for Siirtec Nigi are [33, 333, 3339].
The SIC codes for Siirtec Nigi are [35, 356].
Top Siirtec Nigi Employees
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Giovanni Sempio
Director of Engineering at Siirtec Nigi
Milan, Lombardy, Italy -
Andrea Argiolas
Construction Manager at Siirtec Nigi
Reykjavík, IS11 -
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