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2. Directional boring - Wikipedia

   en.wikipedia.org/wiki/Directional_boring

   Directional boring machine. Directional boring, also referred to as horizontal directional drilling (HDD), is a minimal impact trenchless method of installing underground utilities such as pipe, conduit, or cables in a relatively shallow arc or radius along a prescribed underground path using a surface-launched drilling rig.

3. Condrain - Wikipedia

   en.wikipedia.org/wiki/Condrain

   Crowle Fittings and Supply Ltd was acquired in 1986, producing a line of products which includes cast iron saddles and fittings, valves and hydrants. Con Cast Pipe was created in 1989. Con-Elco [7] acquired Fellmore Electrical Contractors in 1991 to produce roadway lighting and gas line installation. [8]

4. List of construction trades - Wikipedia

   en.wikipedia.org/wiki/List_of_construction_trades

   They also install gas lines and gas piping to a variety of appliances in homes and different types of businesses. Sign display worker. Steel fixer ("ironworker" USA, also "rodbuster" USA/Australia), a tradesperson who positions and secures reinforcing bars and mesh used to reinforce concrete on construction projects.

5. Utility location - Wikipedia

   en.wikipedia.org/wiki/Utility_location

   Utility locating is the process of identifying and labeling public utility mains that are underground. These mains may include lines for telecommunication, electricity distribution, natural gas, cable television, fiber optics, traffic lights, street lights, storm drains, water mains, and wastewater pipes.

6. Michels Corporation - Wikipedia

   en.wikipedia.org/wiki/Michels_Corporation

   Michels Utility Services, Inc. is a leading contractor constructing and maintaining natural gas distribution systems and other utilities throughout the United States. Michels Utility Services works in urban and rural areas to build, improve and upgrade gas utility services and to complete joint trench installations. [citation needed]

7. National Utility Contractors Association - Wikipedia

   en.wikipedia.org/wiki/National_Utility...

   The National Utility Contractors Association (NUCA) is a trade association representing the underground utility industry in the United States. Founded in 1964, NUCA is the largest trade association for this industry in the country. [ 1 ]