The International Society for Trenchless Technology

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GUO TONG Intl. Co. Ltd.

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Country Taiwan (CTSTT)
Address 8F.-5 No.91 Dashun 1st Rd. Zuoying Dist. Kaohsiung City

H & H Contractors Ltd

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Country New Zealand (ASTT)
Address PO Box 15084 AUCKLAND

H-NAC CO.,LTD.

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Country Japan (JSTT)
Address 中川ヒュ-ム管工業㈱  土浦市真鍋1-16-11 延増第3ビル8F
Website www.h-nac-hp.co.jp/

Haminan Vesi

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Country Finland (FISTT)
Address PL 70 Hamina
Website www.haminanvesi.fi

Hammerhead

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Country USA (IATT)
Address 500 South C.P. Avenue Lake Mills

Hard Metal Industries Pty Ltd

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Country Australia (ASTT)
Address PO Box 1467 KENMORE Queensland

Hard Metals Australia Pty Limited

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Country Australia (ASTT)
Address 40 Peter Brock Drive EASTERN CREEK NSW
Website www.hardmetals.com

Harker Underground Construction Ltd

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Country New Zealand (ASTT)
Address PO Box 101 DRURY
Website www.harker.co.nz

HB Adviesbureau BV

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Country Nederland (NSTT)
Address Postbus Alkmaar
Website www.hbadvies.nl

HD Drilling Contractors cc

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Country South Africa (SASTT)
Address 81 Premier Place, Phoenix Industrial Park

HD sanierungstechnik GmbH

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Country Germany (GSTT)
Address Weissdornweg 3 Kammerstein

HDI

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Country France (FSTT)
Address 165 Boulevard de Valmy COLOMBES

Hebei Xuanhua Machinery Manufacturing Co.

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Country China (CSTT)
Address ZhaoGuLiang West Xuanhua County Hebei

Heijmans Civiel BV

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Country Nederland (NSTT)
Address Postbus Rosmalen
Website www.heijmans.nl/nl/activiteiten/boortechnieken/

Henan Huabei Technology Engineering Co.

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Country China (CSTT)
Address Tongbai South Rd. 238 Kaixuan Bld. Tower B. Room 1407 Zhengzhou City Henan

henan Zhongtuo Petroleum Engineering Incorporated Company

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Country China (CSTT)
Address Shengli East Rd. 95 Puyang City Henan Province

HERMES TECHNOLOGIE

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Country France (FSTT)
Address 17 rue du Four St Jacques COMPIEGNE

Hermes Technologie Ltd

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Country United Kingdom (UKSTT)
Address 7 - 9 Wellington Square HASTINGS East Sussex

HERMES TECHNOLOGIE s.r.o.

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Country Czech Republic (CZSTT)
Address Marikova2213/5b BRNO
Website www.hermes-technologie.cz

HERRENKNECHT

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Country France (FSTT)
Address 76 rue Bobillot PARIS

HERRENKNECHT

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Country Germany (FSTT)
Address Schlehenweg 2 SCHWANAU - Allmannsweier

Herrenknecht AG

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Country Germany (GSTT)
Address Schlehenweg 2 Schwanau

Herrenknecht AG

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Country Colombia (CISTT)
Address Calle 7AA # 30-244 Apto.1904 Medellin Antioquia
Website www.herrenknecht.de

Herrenknecht Tunneling Service

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Country Russia (RSTT)
Address Derbenevskay st 20/26 MOSCOW
Website www.herrenknecht.ru

Herrenknect AG

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Country Germany (SASTT)
Address Schlehenweg 2 D-77963 Schwanav GERMANY

hIDROTEC SANEJAMENT S.L.

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Country Spain (IBSTT)
Address Pol. Ind. Cova Solera. Avda. Can Sucarrats 69 08191 Rubi (Barcelona)

High Guard Pipe Association.

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Country Japan (JSTT)
Address ハイガードパイプ協会     大阪市北区堂島浜1-4-4 アクア堂島東館15F 栗本コンクリ-ト工業㈱内
Website www.highguardpipe.jp/

Hikari Kouka Kyoukai

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Country Japan (JSTT)
Address 光硬化工法協会  新宿区四谷2-10-3 TMSビル
Website www.lcr.gr.jp

HINODE,LTD

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Country Japan (JSTT)
Address 日之出水道機器㈱     港区赤坂3-10-6
Website www.hinodesuido.co.jp/

Hlanganani Consulting Engineers & Project Managers (Pty) Ltd

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Country South Africa (SASTT)
Address PO Box 977 BASSONIA

Hobas

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Country Panama (CISTT)
Address Torre de las Americas, Torre B, Piso 15, oficinas 1513 Corregimiento de San Francisco, Punta Pacifica Panama
Website www.hobas.cl

HOBAS

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Country Italy (IATT)
Address Via Montale, 4/5 Pianiga (VE)
Website www.hobas.com

Hobas Benelux BV

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Country Nederland (NSTT)
Address Marconistraat Tiel
Website www.hobas.com

Hobas Bulgaria

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Country Bulgaria (BATT)
Address G.S.Rakovski Str. 100 Sofia 1000

HOBAS CZ SPOL SRO

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Country Czech Republic (RoSTT)
Address Uherske Hradiste, ZA Olsavkou, 391,

Hobas Finland

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Country Finland (FISTT)
Address c/o INTENDO innovations Oy Paimio
Website www.hobas.com

HOBAS FRANCE

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Country France (FSTT)
Address Parc St Christophe CERGY PONTOISE Cedex

HOBAS PIPE SYSTEM SRL

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Country Romania (RoSTT)
Address Drumul Mare Str. 2, Clinceni, Ilfov

HOBAS Rohre GmbH

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Country Germany (GSTT)
Address Gewerbepark 1 Hellfeld Neubrandenburg

Hochschule Wismar University of Applied Sciences: Technology, Business and Design Hochschulbibliothek

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Country Germany (GSTT)
Address Philip-Mueller-Strasse 14 Wismar

Holcim (Australia) Pty Ltd

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Country Australia (ASTT)
Address 18 Little Cribb Street MILTON Queensland

Holland Drilling B.V.

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Country Nederland (NSTT)
Address Postbus Cuijk
Website www.hollanddrilling.nl

Holtec Co.,Ltd.

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Country Japan (JSTT)
Address (株)ホルテック 横浜市都筑区見花山14-21 大谷グリーンプレイス102

Horizontal & Drilling

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Country South Africa (SASTT)
Address P O Box 1189 NELSPRUIT

HS-Vesi Oy

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Country Finland (FISTT)
Address Paroistentie 7 Hämeenlinna
Website www.hsvesi.fi

HSY

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Country Finland (FISTT)
Address Opastinsilta 8 HSY
Website www.hsy.fi

Husqwarna Italia spa

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Country Italy (IATT)
Address Via Remato, 18 Lonato (BS)
Website www.husqvarnagroup.com

Hychem International pty ltd

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Country Australia (ASTT)
Address Unit 1/30 Bluett Drive SMEATON GRANGE NSW
Website www.hychem.com.au

I.CO.P. SpA

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Country Italy (IATT)
Address Via Silvio Pellico, 2 Basiliano (UD)

I.S.T. GmbH

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Country Germany (GSTT)
Address Rombacher Hütte 17-19 Bochum

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