Class 037: Construction, installation, laying, repair, refurbishment, modification and maintenance of pipes, pipelines, pipeline systems, and pipe couplings, gaskets, and connectors; pipe fitting services, namely, the connection of pipelines and repair of pipelines and connectors; construction of compressor stations, cross-compressor installations, plant facilities, pumping stations, and horsepower additions for pipelines and pipeline facilities; construction project management services in the field of pipeline construction, repair, and maintenance; construction project management services, namely, budgeting, constructability reviews, estimation and feasibility studies; construction dewatering, namely, the removal of surface waters and groundwater to facilitate the construction of pipelines; covering, coating, and maintenance of pipelines; under-water installation services, namely, underwater installation of pipelines and connectors; Class 039: Information services, namely, providing information relating to the transportation and distribution of natural gas and fuels by pipelines and pipeline hubs; advisory services relating to transportation of fuels by pipeline and pipeline hubs; Class 042: Product research, design and development of pipes, pipelines, connectors, gaskets and couplings for pipeline systems for others; engineering services relating to pipelines, namely, the design of pipes, pipelines, connectors, gaskets, and couplings; electrical engineering; testing of apparatus in the field of electrical engineering; pipeline inspection services