GREMS Marcin Grelewski

43.21.Z - Electrical installation

33.14.Z - Repair and maintenance of electrical equipment

42.21.Z - Works related to construction oftransmission pipelines and distribution networks

42.22.Z - Works related to construction of telecommunications and electricity lines

43.22.Z - Plumbing, heat and air-conditioning installation

43.29.Z - Other construction installation

43.99.Z - Other specialised construction activities not elsewhere classified

61.10.Z - Wired telecommunications activities

61.90.Z - Other telecommunications activities

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

77.32.Z - Rental and leasing of construction machinery and equipment

77.33.Z - Rental and leasing of office machinery and equipment, including computers

81.30.Z - Landscape service activities

95.11.Z - Repair and maintenance of computers and peripheral equipment