In many markets such as oil, gas and petrochemicals, steel plants, cement, mines, power plants, railways, etc., one of the criteria for buyers to use the products and services of companies is registration in their vendor list, which has detailed descriptions. You can read in the vendor list or supplier list article. Depending on the market segments related to the company’s products or services, they should choose the vendor list required in the same market segment and join it. In addition to marketing and sales activities for industrial companies, DOTAAK  CO. has the ability, based on the needs of the companies, to make them a member of the valid vendor lists of various industries, such as the vendor list of oil, gas, petrochemical and refining companies, steel, cement, power plants, projects Mining and state-owned companies slow in every field. Of course, this possibility depends on the ability of the companies to provide the needs of the customers for the vendor list. such as ISOs, standards, equipment and facilities, resume, executive history, etc.