PERSTA is a market leader in the manufacture of high performance, ASME/ DIN forged steel isolating valves upto Class 4500. Part of the Siepmann Group, with their own forging shop, Persta are an established manufacturer with a flexible production process. In particular PERSTA's high pressure globe and gate valves are a benchmark within the valve industry.

website : www.persta.com

Boehmer is a market leader in the manufacture of high performance API 6D Ball Valves upto Class 2500.  Built for superior reliability and long service life in above-ground and buried service, Boehmer’s design features no intersecting weld seams, Double Piston Effect and a PMSS sealing system that provides a primary metal seat backed up by a secondary soft seal.

website : http://www.boehmer.de

Valpro Valve is a USA certified API 6A and 6D wellhead and pipeline manufacturer providing superior engineered products globally to the oil and gas, petrochemical, power, nuclear and desalination industries.  Products speciality include valves of high pressure, high temperature and exotic alloys.
A world leading valve manufacturer of cryogenic valves, ball, gate, globe and PSV valves, all manufactured products comes with standard 5 years warranty.

website : https://www.valpro.it/

Welland & Tuxhorn AG is a globally active technology partner that supplies custom special control valves for power plants.

Eagle filter is a Finland based manufacture that provide Advance Air Inlet Filtration solution for Gas turbine.  It improve gas turbine air inlet filtration, increase Gas Turbine Efficiency and output. And Reduce Gas Turbine degeneration losses. 
(https://www.eaglefilters.earth/)

DISTRANS Ultra Pro is an ultrasound camera used by industry professionals and inspection specialists to pinpoint gas leaks of any type and partial discharges in Oil & Gas, Power Generation and Chemistry fields. Ultrasound imaging works for any type of gas: compressed air, methane, nitrogen, steam, and  vacuum leaks.

Ultra Pro detects gas leaks by the specific sounds they emit, using an integrated microphone array of 124 elements.

Gas leaks can be detected meters away, without contact with the gas, and in unexpected locations. Inspection times are up to 10 times faster than with other techniques.

website : https://distran.swiss/en/home-distran/

Pergams,a multi-national corporation, is a pioneer in laser-based remote gas leak detection — with a wide range of nondestructive testing methods (NDT). Pergam provides cutting-edge inspection service to the natural gas industry with its unique and patented ALMA and SELMA systems. Located near Seattle, WA, our US office is dedicated to the needs of the North American market. Headquartered in Switzerland, our parent company provides gas leak detection services world-wide

website : https://pergam-suisse.ch