Michael Frenkel

PetroKazakhstan, Inc. produces oil and oil related products. It produces crude oil from eight different zones in the Kumkol Fields, both north, and south. PetroKazakhstan was founded in 1981 and is headquartered in Calgary, Canada.

South Water Services (Finance) Ltd. provides water supply services. It is a subsidiary of Southern Water Services Ltd. The company is headquartered in Worthing, the United Kingdom.

Southern Water Services Ltd. provides water supply and wastewater treatment services. It treats and recycles wastewater in order to supply drinking water to households and other water companies across Sussex, Kent, Hampshire and the Isle of Wight. The company was founded on April 1, 1989 and is headquartered in Worthing, the United Kingdom.

The University of Liverpool operates as a university. It offers post graduate research, foundation courses, continuing and professional development, online study, and doctoral college. The company was founded in 1881 and is headquartered in Liverpool, the United Kingdom.

Part of Leonardo SpA, CogniSeis Development, Inc. is a computer software systems analysis company. The company is based in Houston, TX. CogniSeis Development was acquired by Tech-Sym LLC, part of Leonardo SpA from September 29, 2000 on July 05, 1995 for $20 million.

Concept Systems Ltd. provides information technology services for companies in the oil exploration and production industries. The firm offers navigation systems, surveying tools, data analysis and processing applications. the company was founded by Alastair Hay in 1983 and is headquartered in Edinburgh, the United Kingdom.

The Society of Exploration Geophysicists operates as an association of exploration geophysicists. The non-profit company is based in Tulsa, OK and has subsidiaries in the United States.

Rock Solid Images provides surveying, data processing and data interpretation services to the offshore oil industry. The company was founded in 1998 and is headquartered in Houston, TX.

RSI, Inc. designs and builds rugged electronic equipment. Its products include electromechanical assemblies including computer displays, routers, switches, and cables and wire harnesses. The firm provides its services to the defense, energy, telecommunications and aerospace industries. The company was founded in 1983 and is headquartered in Kyle, TX.

DEM Solutions Ltd. provides discrete element method technology solutions for bulk material simulation. Its EDEM software is use for virtual testing of equipment that handles or processes bulk materials in the manufacturing of mining, construction, off-highway and agricultural machinery, as well as in the mining and process industries. The company was founded by John Favier in 2003 and is headquartered in Edinburgh, the United Kingdom.

Pufferfish Ltd. develops dynamic digital display systems. It engages in the design, development, and sale of spherical display systems. It offers a spherical viewing window for the display of digital content in various commercial and artistic projects, such as concert-touring, sports, music and cultural events, trade shows, exhibitions, branding, experiential advertising, alternative marketing, promotions, art installations, educational exhibits, shop-dressing, and set design. The company was founded by Oliver Roland Collier and Will Cavendish in February 2004 and is headquartered in Edinburgh, the United Kingdom.

Arrayjet Ltd. develops and produces microarray printing technologies for researchers, drug development groups, and diagnostic companies. Its products include Sprint, Marathon and Super Marathon, Ultra Marathon I and II Microarrayers. The company was founded by Howard John Manning, Peter Ghazal and Douglas Roy in 2000 and is headquartered in Roslin, the United Kingdom.

Geomodeling Technology Corp. provides geological analysis software. It offers seismic attribute analysis and multi-scale reservoir modeling software and services for the upstream exploration and production industryies. The firm also provides integrated, multi-scale, shared earth modeling solutions by combining stratigraphic visualization and multi-attribute correlation with the latest reservoir modeling techniques. Its products include Attributestudio, an integrated toolkit for 3d seismic attribute generation, visualization, calibration, and interpretation visualization, calibration, and interpretation; Reservoirstudio, a process-oriented geologic modeling system for complex depositional environments that generates realistic geologic models; and SBED, a lamina-scale modeling and flow simulation system that generates reservoir properties at sub-well log scales. The company was founded by Renjun Wen in 1996 and is headquartered in Calgary, Canada.

Receivable Solutions LLC provides accounts receivables management and collection services. Its services include self-pay and early out, bad debt collections, and third party payer follow-up. The company was founded by Paul A. Reardon and Donald DuRant in 1999 and is headquartered in Columbia, SC.

J.W. Holdings Ltd. operates in the agriculture & fishing industry. The company was founded in 1998 and is headquartered in Aberdeen, the United Kingdom.

Composite Energy Ltd. explores, appraises, and develops coal bed. The company is headquartered in

Edinburgh Instruments Ltd. develops, manufactures and distributes spectrometers, laser, gas detection and monitoring equipments. Its product range includes fluorescence spectrometers, transient absorption, fibre optic spectrometers, lasers and LED's, and customization and ex-demo. The company was founded by S. Desmond Smith in 1971 and is headquartered in Livingston, the United Kingdom.

Hutton Energy Ltd. engages in the exploration of oil and gas. The firm focuses specifically on developing onshore European oil and gas plays. The company was founded by David Duncan Messina in 2009 and is headquartered in London, the United Kingdom.

Abacus Geoscience Ltd. provides support activities for petroleum and natural gas extraction. The private company is based in Renfrewshire, UK.

Part of Receivable Solutions LLC, Invicta Health Solutions LLC provides technology and revenue cycle services for hospitals and health systems. The company is based in Houston, TX. The company was founded by Donny Zamora, Derek Shaw, Jude Crowell. Donny Zamora has been the CEO since incorporation. Invicta Health Solutions was acquired by Receivable Solutions LLC on January 09, 2023.