1. Contracting and trust of study, planning, design, execution and supervision of civil engineering and architectural works and consulting services
2. Design, manufacture and import sale, maintenance service and lease of machinery, equipment, materials and other necessary facilities for construction works
3. Dredging, reclamation and land preparation
4. Sale, purchase, exchange, lease and hire, agency, management and appraisal of real estate
5. Planning, investigation, design, supervision, operation, and construction work on regional, urban, ocean, resource, and energy development and related consulting services
6. Building, in-dock repair and disassembly of vessels; manufacture, sale and maintenance service of machinery equipment for vessels
7. Ocean-going transportation, domestic sea transportation, intra-harbor transportation, warehousing and road transportation
8. Construction, lease and management of tourist resort, recreation, athletic, welfare, and ceremonial facilities and others
9. Construction and contracting activities connected with environmental reconstruction and the provision of anti-pollution facilities
10. Acquisition, Development, permission and Sale for implementation of industrial proprietorship, know-how and computer applied software
11. Survey and geological investigation
12. Collection, transportation, disposal, and recycling of waste; manufacture and sale of recycled waste
13. Agency for non-life insurance, brokerage for life insurance, travel business under the Travel Business Law and temporary personnel placement service
14. Sale, lease and maintenance service of office equipment
15. Intake and sale of deep seawater; manufacture and sale of soft drinks from seawater
16. Planning, construction, tenure, maintenance, and administration of roads, railroads, ports and harbors, airports, rivers, water works and sewer systems, government offices, waste disposal and treatment facilities, other public facilities, as well as those similar to the aforementioned
17. The sale of medical machine and equipment, operation of nursing homes, and the home-care service business
18. Power generation based on renewable energy, etc. and the management and operation thereof, business related to supply and sale, etc. of energy such as electricity and heat, and related consulting services
19. Vicarious office service of personnel, labor administration and accounting
20. Security Service
21. Incidental or related services and business for the above mentioned items
    The company may make investments in other business enterprises, or become an initiator for incorporation of other companies, so long as they are not contrary to the laws and ordinances of Japan

Amendment on 29 June, 2021
Registered on 30 June, 2021