| Carlton International Manufacturing Company
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Manufacture portable underground boring machines used to put pipe, cable or conduit under paved surfaces. URL: http://www.portamole.com/
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| Case Corporation
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Manufacture directional drill rigs and HDD accessories. URL: http://www.casecorp.com/
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| Charles Machine Works
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Makers of ditch witch underground construction equipment, including directional boring equipment. URL: http://www.ditchwitch.com/
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| Consolidated Carbide, Ltd
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Manufacture the 'shark chain' for trench digging machinery. Provides FAQs and a listing of dealers. URL: http://www.sharkchain.com/
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| DCD Design and Manufacturing Ltd.
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Design and manufacture of downhole tools for the horizontal directional drilling market. Products include pullback swivels and duct pullers. URL: http://www.dcddesign.com/
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| Directional Drilling Services LLC
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Supplier of services, rentals and sales of tools for directional drilling services, borehole surveying, and oriented core drilling. Products include gyroscopic systems and mini transport for surveying. URL: http://www.accu-dril.com/
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| Drillers Supply Inc.
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Manufacturers of directional boring rods for the HDD industry. URL: http://www.drillerssupply.com/
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| Drillgear
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European based supplier of drill pipe for horizontal directional drilling URL: http://www.drillgear.com
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| Electric Eel Manufacturing
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Manufacture pipeline, drain line, and sewer line inspection and maintenance equipment. Includes operational manuals and brochures in pdf format. URL: http://www.electriceel.com/
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| ExcaVac Corporation
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Manufacturer of vacuum excavation equipment. URL: http://www.excavac.com/
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| Footage Tools
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Manufacture HDD accessories, piercing tools, rod pushers, pipe fusion, and specialty tooling. URL: http://www.footagetools.com/
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| Herrenknecht AG
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Develop, manufacture and sell a wide range of mechanical tunnelling machines. URL: http://www.herrenknecht.com/
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| Lovat Inc.
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Custom design and manufacture of tunnel boring machines(TBM) utilized in the construction of metro, railway, road, sewer, water main, penstock, mine access and telecable tunnels. URL: http://www.lovat.com/
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| McElroy Manufacturing Inc.
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Creates machines to join or fuse polyethylene plastic pipe. Also produce fintube machines and distribute hydraulic valves. URL: http://www.mcelroymfg.com
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| McLaughlin MFG. Company
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Providing a complete line of trenchless equipment for underground applications. Products include rotary compaction, piercing and pipe pushing, auger boring, and directional drilling accessories,. URL: http://www.mightymole.com/
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| Melfred Borzall, Inc.
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Manufacture and distribute drilling tools, such as reamers, swivels, directional heads, duck bills, duct pullers, and sondes. URL: http://www.melfredborzall.com/
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| No Dig Equipment
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Manufacturers of microtunnelling, horizontal drilling and moling equipment for the trenchless installation of telephone, electricity, cable TV, gas, water and sewerage. URL: http://www.nodigequipment.com.au/
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| Nowak Pipe Reaming, Inc.
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Manufacture a pipe reaming system of trenchless pipe replacement. Includes summary of completed projects, process video and comparison charts of alternative systems. URL: http://www.pipereaming.com/
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| Pipefusion Services Inc.
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In partnership with Christie Manufacturing, distributes fusion machines, polyethylene pipe, pipe fittings and E-Z Lift 2000 cranes. Also provides on-site fusion services, trenchless technology and related training. URL: http://www.pipefusion.com/
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| Pipeline Roller Systems Inc.
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Designs and manufactures pipe rollers and pipe travel equipment for the directional drilling and pipeline construction industries. URL: http://www.pipelineroller.com/
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| Pipeway Services UK
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PipeWay UK - pipeline renovation, bursting, cleaning, rehabilitation and emergency repairs. URL: http://www.pipeway.co.uk
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| RBI-Gearhart Trenchless Tool Division
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Manufacturers of trenchless hole openers and slim hole bits. URL: http://www.rbi-gearhart.com/
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| Robbins HDD, Horizontal Directional Drilling
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Robbins HDD, formerly Contractors, has builds horizontal directional drilling equipment. Robbins HDD is a subsidiary of Robbins that builds hard rock tunneling. URL: http://www.robbinstbm.com
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| Rock Directional Drilling
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Rock boring equipment for the directional drilling industry including pilot hole drill heads and reamers. URL: http://www.hddp.net
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| Rush Sales Company
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Designs and manufactures heating and pumping equipment for the pipeline rehabilitation and oil industries. URL: http://www.rushsales.com/
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| Slabach Enterprieses
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Supply a range of cable reel trailers and vacuum excavation units. URL: http://www.slabach.com/
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| Sreco - Flexible
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Manufacture industruial sewer cleaning machines and camera equipment. Includes product specifications and photographs. URL: http://www.sreco.com/
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| Steve Vick International
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Supply directional drilling systems, electrical safety systems, and pipe, duct and cable handling equipment. URL: http://www.stevevick.com/
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| StraightLine Manufacturing, Inc.
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Manufacturer of horizontal directional drilling systems, accessories, and tooling. URL: http://www.straightlinehdd.com/
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| T & T Carbide
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Supplier of rotary tricone-TCI and steel tooth drill bits(all sizes and types), and manufacturer of custom built Hole-Openers. URL: http://www.tandtcarbide.com/
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| TD Williamson
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International manufacturer of pipeline maintenance equipment.Hot tapping and plugging, weld fittings, PE butt fusion systems, scraper traps, closures, signals and pipeline pigs. URL: http://www.tdwilliamson.com/piggingno.html
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| TerraMacs Limited
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A manufacturer of a range of Directional Drilling Machinery, Micro Tunneling Machinery and a full range of down hole tooling, including cutters, reamers, forged drill rods and swivels. URL: http://www.terramacs.co.nz
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| Th. Wortelboer B.V.
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Manufacture machines and equipment for pipe working and pipe line building including tube end preparation machines and roller benches. URL: http://www.wortelboer-heumen.nl
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| Timberland Equipment
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Manufactures a complete line of winches used for slip lining and pipe cleaning applications. URL: http://www.timberland.on.ca/
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| Tracto-Technik
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Manufacturer of pipe bursting, pipe ramming, and other trenchless technology equipment. Includes products video and exhibition details. URL: http://www.tracto-technik.de/
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| TRIC Trenchless
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Supply trenchless trenchless pipe replacement systems including pulling and fusion equipment. URL: http://www.trictrenchless.com/
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| TT Asia Pacific Pty Ltd.
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Manufacture pipe installation equipment, including soil displacement hammers, pipe ramming machines, pipe bursting machines, and steerable boring systems. URL: http://www.tt-asiapacific.com/
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| TT Technologies Inc.
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Supply pneumatic boring tools which include pipe pulling, pipe ramming, pipe bursting, sliplining and directional boring equipment. URL: http://www.tttechnologies.com/
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| Tulsa Rig Iron, Inc
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Offers engineering solutions for horizontal directional drilling contractors. Equipment and services include mini and maxi hdd rigs and associated equipment, hdd designed triplex bentonite pumps, and drilling fluid products. URL: http://www.tulsarigiron.com/
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| UMole Ltd.
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Providers of trenchless installation equipment to the utility and utility contracting market within the UK. Products include small 45mm service moles, directional drilling and pipe bursting equipment. URL: http://www.umole.co.uk/
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| Vacmasters/Barone
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Supply vacuum excavation equipment for underground utility locating, mud vacuums and trench compaction wheels. URL: http://www.vacmasters.com/
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| VacStar Equipment
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Manufacture vacuum excavation equipment for directional boring and underground utility locating. URL: http://www.vacstar.com/
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| Vermeer Manufacturing Company
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Designs and manufactures horizontal directional drills, pneumatic piercing tools and vacuum systems. URL: http://www.vermeer.com/
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