Vermeer Manufacturing Company 
Designs and manufactures horizontal directional drills, pneumatic piercing tools and vacuum systems.
http://www.vermeer.com/TT Technologies Inc. 
Supply pneumatic boring tools which include pipe pulling, pipe ramming, pipe bursting, sliplining and directional boring equipment.
http://www.tttechnologies.com/
Nowak Pipe Reaming, Inc. 
Manufacture a pipe reaming system of trenchless pipe replacement. Includes summary of completed projects, process video and comparison charts of alternative systems.
http://www.pipereaming.com/
Carlton International Manufacturing Company 
Manufacture portable underground boring machines used to put pipe, cable or conduit under paved surfaces.
http://www.portamole.com/
Akkerman Inc. 
Manufactures, sells, and rents pipejacking, microtunneling, tunnel boring and sliplining equipment to the trenchless industry.
http://www.akkerman.com/
TD Williamson 
International manufacturer of pipeline maintenance equipment.Hot tapping and plugging, weld fittings, PE butt fusion systems, scraper traps, closures, signals and pipeline pigs.
http://www.tdwilliamson.com/piggingno.html
Barbco 
Manufacture horizontal earth boring and directional drilling equipment .
http://www.barbco.com/
Bor-It Manufacturing Co., Inc. 
Sell, lease, or rent horizontal earth boring machines , augers and cutting heads .
http://www.bor-it.com/
ExcaVac Corporation 
Manufacturer of vacuum excavation equipment.
http://www.excavac.com/
Case Corporation 
Manufacture directional drill rigs and HDD accessories.
http://www.casecorp.com/
Directional Drilling Services LLC 
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 .
http://www.accu-dril.com/
Tulsa Rig Iron, Inc 
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.
http://www.tulsarigiron.com/
T & T Carbide 
Supplier of rotary tricone-TCI and steel tooth drill bits (all sizes and types), and manufacturer of custom built Hole-Openers.
http://www.tandtcarbide.com/
DCD Design and Manufacturing Ltd. 
Design and manufacture of downhole tools for the horizontal directional drilling market. Products include pullback swivels and duct pullers .
http://www.dcddesign.com/
Footage Tools 
Manufacture HDD accessories, piercing tools, rod pushers, pipe fusion, and specialty tooling.
http://www.footagetools.com/
Charles Machine Works 
Makers of ditch witch underground construction equipment, including directional boring equipment.
http://www.ditchwitch.com/
Consolidated Carbide, Ltd 
Manufacture the 'shark chain' for trench digging machinery. Provides FAQs and a listing of dealers.
http://www.sharkchain.com/
McLaughlin MFG. Company 
Providing a complete line of trenchless equipment for underground applications. Products include rotary compaction, piercing and pipe pushing , auger boring, and directional drilling accessories, .
http://www.mightymole.com/
TT Asia Pacific Pty Ltd. 
Manufacture pipe installation equipment, including soil displacement hammers, pipe ramming machines, pipe bursting machines, and steerable boring systems.
http://www.tt-asiapacific.com/
Tracto-Technik 
Manufacturer of pipe bursting, pipe ramming, and other trenchless technology equipment. Includes products video and exhibition details .
http://www.tracto-technik.de/
Steve Vick International 
Supply directional drilling systems, electrical safety systems, and pipe, duct and cable handling equipment .
http://www.stevevick.com/
Melfred Borzall, Inc. 
Manufacture and distribute drilling tools, such as reamers, swivels, directional heads, duck bills, duct pullers, and sondes .
http://www.melfredborzall.com/
Lovat Inc. 
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.
http://www.lovat.com/
Herrenknecht AG 
Develop, manufacture and sell a wide range of mechanical tunnelling machines.
http://www.herrenknecht.com/
Slabach Enterprieses 
Supply a range of cable reel trailers and vacuum excavation units.
http://www.slabach.com/
No Dig Equipment 
Manufacturers of microtunnelling, horizontal drilling and moling equipment for the trenchless installation of telephone, electricity, cable TV, gas, water and sewerage .
http://www.nodigequipment.com.au/
Pipefusion Services Inc. 
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.
http://www.pipefusion.com/
Pipeline Roller Systems Inc. 
Designs and manufactures pipe rollers and pipe travel equipment for the directional drilling and pipeline construction industries.
http://www.pipelineroller.com/
UMole Ltd. 
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.
http://www.umole.co.uk/
TRIC Trenchless 
Supply trenchless trenchless pipe replacement systems including pulling and fusion equipment.
http://www.trictrenchless.com/
StraightLine Manufacturing, Inc. 
Manufacturer of horizontal directional drilling systems, accessories, and tooling.
http://www.straightlinehdd.com/
Vacmasters/Barone 
Supply vacuum excavation equipment for underground utility locating, mud vacuums and trench compaction wheels.
http://www.vacmasters.com/
VacStar Equipment 
Manufacture vacuum excavation equipment for directional boring and underground utility locating.
http://www.vacstar.com/
3P Services GmbH and Co. KG 
Supplies magnetic flux leakage MFL pigging and scanning services and equipment for the in-line-inspection of small diameter pipelines.
http://www.3p-services.com/
Drillgear 
European based supplier of drill pipe for horizontal directional drilling
http://www.drillgear.com
American Augers, Inc. 
Designs and manufactures horizontal earth boring machines, horizontal directional drills, and drilling fluid mixing, pumping, and cleaning systems.
http://www.americanaugers.com/
Robbins HDD, Horizontal Directional Drilling 
Robbins HDD, formerly Contractors, has builds horizontal directional drilling equipment. Robbins HDD is a subsidiary of Robbins that builds hard rock tunneling.
http://www.robbinstbm.com
Pipeway Services UK 
PipeWay UK - pipeline renovation, bursting, cleaning, rehabilitation and emergency repairs.
http://www.pipeway.co.uk
McElroy Manufacturing Inc. 
Creates machines to join or fuse polyethylene plastic pipe. Also produce fintube machines and distribute hydraulic valves.
http://www.mcelroymfg.com
TerraMacs Limited 
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.
http://www.terramacs.co.nz
Electric Eel Manufacturing 
Manufacture pipeline, drain line, and sewer line inspection and maintenance equipment. Includes operational manuals and brochures in pdf format.
http://www.electriceel.com/
Sreco - Flexible 
Manufacture industruial sewer cleaning machines and camera equipment. Includes product specifications and photographs.
http://www.sreco.com/
Timberland Equipment 
Manufactures a complete line of winches used for slip lining and pipe cleaning applications.
http://www.timberland.on.ca/
Th. Wortelboer B.V. 
Manufacture machines and equipment for pipe working and pipe line building including tube end preparation machines and roller benches .
http://www.wortelboer.ws/