Sezgin Ozbilgin

The Royal Institution of Chartered Surveyors provides professional excellence in its membership through education, accreditation, publication, and other services. The non-profit company is based in London, UK, and has a global presence of subsidiaries in several regions. Justin Young has been the CEO of the British company since 2023.

The American Society of Civil Engineers, founded in 1852, is the oldest national engineering society in America. The non-profit company is based in Reston, VA and has subsidiaries in the United States. With over 150,000 members worldwide, the organization advocates for sustainable and resilient practices to maintain and modernize the nation's infrastructure. The company also works to increase investment in infrastructure and improve engineering knowledge and competency. The society's Civil Engineering Landmark Program recognizes historically significant civil engineering projects, structures, and sites.

Umur Basim ve Kirtasiye Sanayi ve Ticaret AS engages in the provision of printing services. It produces documentation and labeling products, packaging and corporate identity items, as well as offers printing, storing, and logistics services. The company was founded on November 17, 1987 and is headquartered in Istanbul, Turkey.

Part of Gardiner & Theobald LLP, Gardiner & Theobald Fairway Ltd. provides consulting services for the construction industry. The company is based in London, UK. Richard Frank Bryer has been the CEO of the British company since 2009.

Mueser Rutledge Consulting Engineers, Inc. specialty with structural foundation design engineering. It services include geotechnical, excavations, foundations, ground improvement, waterfront structures, design build, flood control and dams, tunnels and shafts, instrumentation, and construction. The company was founded in 1910 and is headquartered in New York, NY.

National Society of Professional Engineers operates as a national organization committed to addressing the professional concerns of licensed PEs across all disciplines. The company was founded in 1934 and is headquartered in Alexandria, VA.

New York University Tandon School of Engineering engages in the provision of educational services focusing on science and technology. Its degrees and programs include bachelor of science, master of science, doctor of philosophy, advanced certificate programs, a bridge program to NYU Tandon, and industry partner programs. The company was founded in 1854 and is headquartered in Brooklyn, NY.

Arcadis CE, Inc. provides environmental consulting and engineering services. It offers environmental engineering, science, and consulting services to many public and private clients. The firm's services include planning, feasibility studies, pollution control designs, construction observation, and facility management. The company was founded on February 25, 1921 and is headquartered in White Plains, NY.

Part of Guidehouse, Inc., Barba Arkhon International, Inc. is a company that provides delay and disruption claims analysis for dispute resolution related to construction and government contracts. The company is based in Mount Laurel, NJ. Barba Arkhon International was acquired by Guidehouse, Inc. (Virginia), part of Guidehouse, Inc. from October 11, 2019 on March 02, 2001 for $5.30 million.

Doganlar Yatirim Holding AS is a private company based in Istanbul, Turkey that offers quality, modular, and functional furniture at affordable prices through their online platform Ruumstore.com. The Turkish company is committed to a sustainable future through their technology, human resources, and production capabilities. The company has nine different brands in various sectors, including Biotrend Enerji, which was established in 2017 with the goal of becoming a production and application center for alternative energy production and technology in Turkey.

QatarEnergy Corp. provides oil and gas drilling, exploration, refining, and distribution services. It offers cover exploration, drilling and production operations, transport, storage, marketing, and sale of crude oil natural gas liquids, liquefied natural gas, gas to liquids, refined products, petrochemicals and fertilizers, and helicopter and financials services. The company was founded in 1974 and is headquartered in Doha, Qatar.

The Zubair Corp. operates as an asset management company. It specializes in the areas of automotive; energy and logistics; engineering, construction and contracting; exploration and production; real estate and hospitality; financial services; and manufacturing. The company was founded by Mohammad Al Zubair in 1967 and is headquartered in Ruwi, Oman.

Barba Consulting, Inc. provides program management services. Its services include program management services, dispute resolution services, training and seminar programs. The company was founded in 1983and is headquartered in Marlton, NJ.

Çalik Holding AS manages and coordinates the activities of its subsidiaries. It operates through the following segments: Energy, Construction, Textile, Marketing, Telecommunication, Banking and Finance, and Other. The Energy segment involves in the sale of electricity; operation of natural gas and crude oil resources; exploration and production of resources; and sale and transportation of resources to international markets. The Construction segment operates in construction, contracting, and decoration businesses. The Textile segment produces and trades yarn, texture, and ready wear products. The Marketing segment supplies goods that are used in the production and the domestic or foreign projects carried out mainly by the group entities. The Telecommunication segment provides communication, press, and internet services. The Banking and Finance segment offers commercial and investment banking, financial leasing, insurance, project financing trading of marketable securities, and credit financial services. The Other segment includes electronic fee collection, organization, mining, and transportation energy license procurement. The company was founded by Ahmet Çalik on March 20, 1997 and is headquartered in Istanbul, Turkey.

Umur Kirtasiye San ve Tic AS is a Turkish company that supplies stationery products. The private company is based in Istanbul, Turkey.

Part of Doganlar Yatirim Holding AS, Maven Enerji Elektrik Uretim Sanayi Ve Ticaret AS generates electricity. The company is based in Istanbul, Turkey.

King & Spalding LLP provides legal services. The firm offers corporate, finance, investments, government matters, trial and global dispute capabilities services. The company was founded by Alexander King and Jack Spalding on January 1, 1885 and is headquartered in Atlanta, GA.

Seranit Granit Seramik Sanayi ve Ticaret AS engages in the manufacture and sales of porcelain and ceramic tiles. It offers tiles for a range of architectural solutions for indoor and outdoor surfaces. The company was founded on September 3, 1991 and is headquartered in Istanbul, Turkey.

Part of Sinpas Gayrimenkul Yatirim Ortakligi AS, Ottoman Gayrimenkul Yatirim Insaat ve Ticaret AS constructs real estate for their own account.

The Istanbul Chamber of Commerce is a business organization based in Istanbul, TR. It serves as a platform for businesses in Istanbul to connect, network, and collaborate with each other. The Istanbul Chamber of Commerce plays a vital role in promoting the economic growth and development of Istanbul by supporting the local business community. The chamber provides various services to its members, including business development, trade promotion, and advocacy. It also offers training and education programs to help businesses improve their skills and knowledge.