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/

Timberland Equipment
- Manufactures a complete line of winches used for slip lining and pipe cleaning applications.
- http://www.timberland.on.ca/

Sreco - Flexible
- Manufacture industruial sewer cleaning machines and camera equipment. Includes product specifications and photographs.
- http://www.sreco.com/

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/

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

McElroy Manufacturing Inc.
- Creates machines to join or fuse polyethylene plastic pipe. Also produce fintube machines and distribute hydraulic valves.
- http://www.mcelroymfg.com

Pipeway Services UK
- PipeWay UK - pipeline renovation, bursting, cleaning, rehabilitation and emergency repairs.
- http://www.pipeway.co.uk

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

American Augers, Inc.
- Designs and manufactures horizontal earth boring machines, horizontal directional drills, and drilling fluid mixing, pumping, & cleaning systems.
- http://www.americanaugers.com/

RBI-Gearhart Trenchless Tool Division
- Manufacturers of trenchless hole openers and slim hole bits.
- http://www.rbi-gearhart.com/

Drillgear
- European based supplier of drill pipe for horizontal directional drilling
- http://www.drillgear.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/

VacStar Equipment
- Manufacture vacuum excavation equipment for directional boring and underground utility locating.
- http://www.vacstar.com/

Vacmasters/Barone
- Supply vacuum excavation equipment for underground utility locating, mud vacuums and trench compaction wheels.
- http://www.vacmasters.com/

StraightLine Manufacturing, Inc.
- Manufacturer of horizontal directional drilling systems, accessories, and tooling.
- http://www.straightlinehdd.com/

TRIC Trenchless
- Supply trenchless trenchless pipe replacement systems including pulling and fusion equipment.
- http://www.trictrenchless.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/

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/

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/

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/

Slabach Enterprieses
- Supply a range of cable reel trailers and vacuum excavation units.
- http://www.slabach.com/

Herrenknecht AG
- Develop, manufacture and sell a wide range of mechanical tunnelling machines.
- http://www.herrenknecht.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/

Melfred Borzall, Inc.
- Manufacture and distribute drilling tools, such as reamers, swivels, directional heads, duck bills, duct pullers, and sondes .
- http://www.melfredborzall.com/

Steve Vick International
- Supply directional drilling systems, electrical safety systems, and pipe, duct and cable handling equipment .
- http://www.stevevick.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/

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/

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/

Consolidated Carbide, Ltd
- Manufacture the 'shark chain' for trench digging machinery. Provides FAQs and a listing of dealers.
- http://www.sharkchain.com/

Charles Machine Works
- Makers of ditch witch underground construction equipment, including directional boring equipment.
- http://www.ditchwitch.com/

Drillers Supply Inc.
- Manufacturers of directional boring rods for the HDD industry.
- http://www.drillerssupply.com/

Footage Tools
- Manufacture HDD accessories, piercing tools, rod pushers, pipe fusion, and specialty tooling.
- http://www.footagetools.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/

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/

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/

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/

Case Corporation
- Manufacture directional drill rigs and HDD accessories.
- http://www.casecorp.com/

ExcaVac Corporation
- Manufacturer of vacuum excavation equipment.
- http://www.excavac.com/

Bor-It Manufacturing Co., Inc.
- Sell, lease, or rent horizontal earth boring machines , augers and cutting heads .
- http://www.bor-it.com/

Barbco
- Manufacture horizontal earth boring and directional drilling equipment .
- http://www.barbco.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