35 Advertising; market study; commercial business appraisal; commercial business management; commercial administration of the licensing of the goods and services of others; providing office functions; business organization advice, namely, advice for the organization and management of commercial and industrial affairs; business management assistance to commercial or industrial companies; professional business consultancy; personnel management consultancy; personnel recruitment; accounting services; tax preparation; secretarial services; all the above-mentioned services relating to road and rail work; wholesale and retail store services featuring metallic and non-metallic building materials, namely, asphalt, pitch, bitumen, gravel, natural and artificial stone, sand, cinder, macadam, binding agents and hardening products for floors and roads, binding agents for road repair, binding agents and hardening products for floors and railway structures, nonmetallic signaling equipment, in particular road and urban traffic, particularly non-luminous and non-mechanical signaling panels, not luminous markers, signposts, non-luminous and non-mechanical milestones, support for panels, street signs, non-metallic shelters, nonmetallic displays or information panels, non-metallic markers, signs in synthetic material for road marking, non-metallic paving stones and slabs, glass granules for road marking, metallic transportable buildings, metallic materials for railway tracks, railway points, metallic loading gage rods for railroads, metallic railroad ties, rails, electric cables and wires made from metal, non-electric metal cables, metallic power supply line masts, metallic containers, metallic scaffolding, electric monitoring apparatus, mechanical or luminous signs, luminous or mechanical signaling panels, railway traffic safety apparatus and electric control apparatus; computer file management; business management assistance services for commercial and industrial businesses, namely, auditing, studies and assistance relating to strategies for purchasing and following up commercial contracts in the field of road and railroad construction; market planning, study and research in the field of road and railroad infrastructures and overhead power cables