| 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. |
| Akkerman Inc. -- Akkerman Inc. manufactures, sells, and rents pipejacking, microtunneling, tunnel boring and sliplining equipment to the trenchless industry. |
| American Augers, Inc. -- Designs and manufactures horizontal earth boring machines, horizontal directional drills, and drilling fluid mixing, pumping, & cleaning systems. |
| Applied Machinery -- A fully equipped machine, fabrication and hydraulics company specializing in heavy construction equipment. |
| Barbco -- Manufacture horizontal earth boring and directional drilling equipment . |
| Bor-It Manufacturing Co., Inc. -- Sell, lease, or rent horizontal earth boring machines , augers and cutting heads . |
| Carlton International Manufacturing Company -- Manufacture portable underground boring machines used to put pipe, cable or conduit under paved surfaces. |
| Case Corporation -- Manufacture directional drill rigs and HDD accessories. |
| Charles Machine Works -- Makers of ditch witch underground construction equipment, including directional boring equipment. |
| Consolidated Carbide, Ltd -- Manufacture the 'shark chain' for trench digging machinery. Provides FAQs and a listing of dealers. |
| Contractors Manufacturing Services -- Designs and develops underground excavation machinery. Offers a variety of directional drilling machines. |
| DCD Design and Manufacturing Ltd. -- Design and manufacture of downhole tools for the horizontal directional drilling market. Products include pullback swivels and duct pullers . |
| Derrick Corporation -- Manufacture mud systems and dewatering pumps. Offers field reports and technical product data in pdf format. |
| 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 . |
| Drillers Supply Inc. -- Manufacturers of directional boring rods for the HDD industry. |
| Drillgear -- European based supplier of drill pipe for horizontal directional drilling |
| Electric Eel Manufacturing -- Manufacture pipeline, drain line, and sewer line inspection and maintenance equipment. Includes operational manuals and brochures in pdf format. |
| ExcaVac Corporation -- Manufacturer of vacuum excavation equipment. |
| Footage Tools -- Manufacture HDD accessories, piercing tools, rod pushers, pipe fusion, and specialty tooling. |
| Herrenknecht AG -- Develop, manufacture and sell a wide range of mechanical tunnelling machines. |
| Infraseis, Inc. -- Manufacturing and sales of NDT equipment including crosshole sonic logging and sonic echo tools for the testing of drilled shaft foundations, as well as other NDT equipment. |
| 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. |
| McElroy Manufacturing Inc. -- Creates machines to join or fuse polyethylene plastic pipe. Also produce fintube machines and distribute hydraulic valves. |
| 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, . |
| Melfred Borzall, Inc. -- Manufacture and distribute drilling tools, such as reamers, swivels, directional heads, duck bills, duct pullers, and sondes . |
| Mini Water Well Drill -- Mini Rotary air/water/mud injection system used for confirned location water well drilling. |
| No Dig Equipment -- Manufacturers of microtunnelling, horizontal drilling and moling equipment for the trenchless installation of telephone, electricity, cable TV, gas, water and sewerage . |
| 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. |
| 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. |
| Pipeline Roller Systems Inc. -- Designs and manufactures pipe rollers and pipe travel equipment for the directional drilling and pipeline construction industries. |
| Pipeway Services UK -- PipeWay UK - pipeline renovation, bursting, cleaning, rehabilitation and emergency repairs. |
| Powermole International -- British manufacturer of directional drilling, radar, moles, pipe ramming, and pipe bursting equipment. |
| RBI-Gearhart Trenchless Tool Division -- Manufacturers of trenchless hole openers and slim hole bits. |
| 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. |
| Rock Directional Drilling -- Rock boring equipment for the directional drilling industry including pilot hole drill heads and reamers. |
| Rush Sales Company -- Designs and manufactures heating and pumping equipment for the pipeline rehabilitation and oil industries. |
| Slabach Enterprieses -- Supply a range of cable reel trailers and vacuum excavation units. |
| Speeder Association -- Manufacture micro tunneling machines. Includes product specifications and manufacturing methods. Japan. |
| Steve Vick International -- Supply directional drilling systems, electrical safety systems, and pipe, duct and cable handling equipment . |
| StraightLine Manufacturing, Inc. -- Manufacturer of horizontal directional drilling systems, accessories, and tooling. |
| T & T Carbide -- Supplier of rotary tricone-TCI and steel tooth drill bits (all sizes and types), and manufacturer of custom built Hole-Openers. |
| 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. |
| 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. |
| Th. Wortelboer B.V. -- Manufacture machines and equipment for pipe working and pipe line building including tube end preparation machines and roller benches . |
| Timberland Equipment -- Manufactures a complete line of winches used for slip lining and pipe cleaning applications. |
| Tracto-Technik -- Manufacturer of pipe bursting, pipe ramming, and other trenchless technology equipment. Includes products video and exhibition details . |
| TRIC Trenchless -- Supply trenchless trenchless pipe replacement systems including pulling and fusion equipment. |
| TT Asia Pacific Pty Ltd. -- Manufacture pipe installation equipment, including soil displacement hammers, pipe ramming machines, pipe bursting machines, and steerable boring systems. |
| TT Technologies Inc. -- Supply pneumatic boring tools which include pipe pulling, pipe ramming, pipe bursting, sliplining and directional boring equipment. |
| 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. |
| 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. |
| Vacmasters/Barone -- Supply vacuum excavation equipment for underground utility locating, mud vacuums and trench compaction wheels. |
| VacStar Equipment -- Manufacture vacuum excavation equipment for directional boring and underground utility locating. |
| Vermeer Manufacturing Company -- Designs and manufactures horizontal directional drills, pneumatic piercing tools and vacuum systems. |
