Here is the list of corporations that are famous for their unusual activities

The field of activity of the "Aessel" company is the production of acrylic bathtubs, shower cabins and bathroom furniture. The company was established in the early 2000s. In 2013, when the revenue of Aessel exceeded 35 million rubles, the founder of the company O. Avanesov decided to hold a placement on the Moscow stock exchange, where 30% of the brand's shares were sold for 207 million rubles. The company's placement became the first and so far the only IPO among plumbing companies.

Operating since 1994, Odyssey Marine Exploration is an innovative leader in deep-ocean exploration. From pioneering archaeological excavations on historic shipwrecks and record breaking recoveries of cargo from modern shipwrecks to discovering valuable mineral deposits and natural resources, no one knows the deep ocean better than this company. Utilizing cutting-edge technology and ground-breaking methods, Odyssey employs a world-class team of researchers, scientists and technicians, and is at the forefront of underwater exploration. Odyssey Marine has been trading at the NASDAQ Stock Exchange since 1996. In 2007, the company's capitalization exceeded $650 million.

Emeishan Tourism Company Limited offers tourism and travel services in China. The company was established in 1997 and its head office is located in Emeishan City, Sichuan Province, China. The company's shares were listed on ShenZhen Stock Exchange on October 21, 1997. Emeishan Tourism operates hotel rooms and restaurants, as well as provides related leisure and travel services such as development of tour resources for tourism as well as mountain tour mainly at Mt. Emei, one of the Four Sacred Buddhist Mountains of China, which is included in the UNESCO World Heritage List. In addition, the company offers passenger transport through cable cars.

The field of activity of the Vtorresursy company is the collecting and processing of metal scrap. The brand went public in 2012 where it gained 47 million rubles for 7,4% of shares. In 2017,the Vtorresursy company intends to harvest 1 million tons of scrap a year and increase its market share to 5%.

Incorporated in 1998 and listed on the Singapore Exchange since 2000, Qian Hu Corporation Limited is an integrated ornamental fish service provider ranging from breeding of Dragon Fish, as well as farming, importing, exporting and distributing of well over 1,000 species and varieties of ornamental fish from all over the world. It also manufactures and distributes a wide range of aquarium and pet accessories. The revenue of Qian Hu in 2014 was estimated at $62.5

Human Stem Cells Institute OJSC (HSCI) is a Russian public biotech company founded in 2003. HSCI engages in R&D as well as commercialization and marketing of innovative proprietary products and services in the areas of cell-based, gene and post-genome technologies. HSCI aims to foster a new culture of medical care – developing new health care opportunities in such areas as personalized and preventive medicine. HSCI owns the largest family cord blood stem cell bank in Russia – Gemabank®, as well as the reproductive cell and tissue bank Reprobank® (personal storage, donation). HSCI is listed on the Innovation & Investment Market (iIM) of the Moscow Exchange. The Company conducted its IPO in December 2009, becoming the first Russian biotech company to go public.

CTI Industries Corporation is headquartered in Barrington, Illinois, in the Northwest Suburbs of Chicago. For more than 37 years the company has been engaged in the development, production, distribution and sale of unique, innovative flexible film products for commercial and consumer markets. CTI Industries Corporation producers balloons, vacuum sealing and commercial film products. The company entered the NASDAQ stock exchange in 1997, now its products are supplied to more than 30 countries. Last year, the turnover of CTI Industries became record for its entire history and amounted to $57.8 million.

Collectors Universe Inc. is an American company now based in Santa Ana, California, which provides third-party authentication and grading services to collectors, retail buyers and sellers of collectibles. Its authentication services focus on coins, trading cards, sports memorabilia, and autographs. The company reached the combined total of 50 million certified collectibles in early 2014. Collectors Universe is also a publisher in fields relating to collecting. The brand was established in 1999 as a result of the merger of five companies involved in authenticating, evaluating and selling of sports souvenirs, autographs and coins at the auction. At the same time, the company went IPO and raised $24 million for the development. There are no similar public analogues on the market. For the whole time of operation the company has estimated almost 55 million collection items.