Tenaris Global Services S.A.

Address: 13 Rue Semani Mohamed BP 539

City: Hydra, Algeria

Tenaris Global Services S.A.

Address: Avenida talatona S/N Belas Business Park, Edificio Bengo 5° Andar - Porta 501

City: Luanda Sul - Luanda

Phone: + 44 226 427300

Tenaris Global Services S.A.E

Address: St 25, beside Medelec Power Station, General free zone

City: Alexandria, Egypt

Phone: +20 3 450 036/5

Tenaris Global Services S.A.E. (i/o B.V.I.)

Address: Plot no. 67´, 90th Street first section, 6th floor. City Center - New Cairo

City: Cairo, Egypt

Phone: +2 02 25 37 14 54 / 56

Fax: +2 02 25 37 14 57

Address: No 1, Sixth Street, Airport Residential Area

City: Accra, Ghana

Phone: +233 302 777 062

Amaja Tubular Services Ltd

Address: Casely Hayford Rd. Plot 9, Grand Oyeeman Building. 6th Floor

City: Accra, Ghana

Phone: +233 501568126

Lagos, Tenaris Nigeria Ltd.

Address: King’s Court Building, 6th floor, Keystone Bank Crescent, Victoria Island

City: Lagos, Nigeria

Phone: +234 (0) 809 366 0300

Onne, Tenaris Global Services Nigeria Ltd.

Address: Oil and Gas Freezone Federal Lighter Terminal Onne/Port Harcourt, Rivers State

City: Onne, Nigeria

Phone: +234 (0) 809 366 0200

Dampier Service Center

Address: 101 Exploration Drive, Gap Ridge, Karratha, WA

City: Karratha, Australia

Phone: +61 0 8 6316 6200

Fax: +61 0 8 6316 6299

Darwin Service Center

Address: 8 Hamaura Road, East Arm,
NT 0828

City: Darwin, Australia

Phone: +61 0 8 6316 6200

Fax: +61 0 8 6316 6299

Tenaris Global Services Pty Ltd.

Address: Level 2 Talbot House, 83 Havelock St. 6005 West Perth

City: Perth, Australia

Phone: +61 8 6316 6200

Fax: +61 8 6316 6299

Address: No. 2001 South Kunlun Shan Road, Eco & Tech Development Zone, Qingdao City, P.R

City: Qingdao City, Chinai

Phone: +86 532 8960 1555

Fax: +86 532 8960 1510

Tenaris (Qingdao) Steel Pipe Ltd., Co., Beijing Branch

Address: Room 706, Lido Commercial Building No.6 Jiangtai Road, Chaoyang District 100004

City: Beijing, China

Phone: +86 10 8459 7800

Fax: +86 10 6437 6746

Yulin Service Center

Address: Yubu Road, Yulin 719000
Shaanxi Province

City: Yulin, China

Phone: +86 532 8960 1555

Fax: +86 532 8960 1515

P.T. Seamless Pipe Indonesia Jaya

Address: Krakatau Industrial Estate Cilegon (KIEC)

City: Cilegon, Indonesia

Phone: +62 254 267700

Fax: +62 254 391123

P.T. Seamless Pipe Indonesia Jaya

Address: Unit No. 211A, 11 floor, Sentral Senayan II Building Jl. Asia-Afrika N. 8 Gelora Bung Karno, Senayan

City: Jakarta, Indonesia

Phone: +62 21 2996 6300

Fax: +62 21 2996 6333

P.T. Seamless Pipe Indonesia Jaya

Address: Jalan Antartika Kav F-4 Kawasan Industri KIEC Cilegon, Banten 4243

City: Cilegon, Indonesia

PT. Seamless Pipe Indonesia Jaya

Address: Krakatau Industrial Estate Cilegon (KIEC)
Jl. Antartika 1 Kav. F4 Cilegon – Banten

City: Cilegon, Indonesia

Phone: +62 254 267700

Fax: +62 254 391123

Sorona Service Center

Address: Petrosea Offshore Supply Base Sorong Papua Barat
Jl. Poros Pengalengan, Klabinain, Aimas, Sorong, Papua Barat

City: Sorong, Indonesia

Phone: +62 254 267700

Fax: +62 254 391123

NKKTubes K.K.

Address: 1-10 Minamiwatarida Kawasaki, Kanagawa 210-0855

City: Kawasaki, Japan

Phone: +81 44 328 3400

Fax: +81 44 328 3456

NKKTubes K.K.

Address: 2-1, Ikegami Kawasaki, Kanagawa 210-0864

City: Kawasaki, Japan

Phone: +81 44 328 3400

Fax: +81 44 328 3456

NKKTubes K.K.

Address: 1-10 Minamiwatarida Kawasaki, Kanagawa 210-0855

City: Kawasaki, Japan

Phone: +81 44 328 3400

Fax: +81 44 328 3456

Tenaris Global Services Far East Pte. Ltd.

Address: 200 Cantonment Road 04-01 Southpoint

City: Singapore, Singapore

Phone: +65 6395 9000

Fax: +65 6224 9077

Tenaris Global Services Korea

Address: 11th Floor - Boutique Monaco Building
1316-5 Seocho-dong
Seocho-gu

City: Seoul, South Korea

Phone: +82 2 3781 0200

Fax: +82 2 798 3392

Tenaris Global Services (Thailand) Ltd.

Address: 15/21, Moo 2, Tambon Ching-Ko, Amphur Singhanakhon, Songkhla Thailand 90280

City: Songkhla, Thailand

Phone: +66 (0) 74 338 571

Tenaris Global Services (Thailand) Ltd.

Address: SJ Infinite I Business Complex, Room No. 903-904, Floor no. 9,
349 Vibhavadi-Rangsit Road Chompol, Chatuchak
Bangkok 10900

City: Bangkok, Thailand

Phone: +66 (0) 2 009 0310

Tenaris Global Services

Address: Room n° 609.3, 6th floor, Me Linh Point Tower, 2 Ngo Duc Ke Street, District 1

City: Ho Chi Minh City, Vietnam

Phone: 84 8 3823 7850

Tenaris Global Services Denmark

Address: Måde Industrivej 38
DK-6705 Esbjerg

City: Copenhagen, Denmark

Phone: +45 3329 9929

Tenaris Global Services Denmark

Address: Måde Industrivej 38, 6705 Esbjerg Ø

City: Esbjerg, Denmark

Phone: +45 7511 9160

Tenaris Global Services Denmark

Address: Måde Industrivej 32, 6705 Esbjerg Ø

City: Esbjerg, Denmark

Phone: +45 7511 9160

Tenaris Global Services France Sarl

Address: 16 rue Antonin Raynaud
92300 Levallois Perret

City: Paris, France

Phone: +33 1 4757 1212

Tenaris Deutschland GmbH

Address: Rupert-Mayer-Strasse 44, Building 64.07 81379

City: Munich, Germany

Phone: +49 89 232375 - 0

Fax: +49 89 232375 - 200

Dalmine S.p.A

Address: Via Achille Grandi, No. 100 20043 Arcore (MI)

City: Arcore, Italy

Phone: +39 039 66501

Fax: +39 039 601 3539

Dalmine S.p.A

Address: Via Levate No. 2 24044, Sabbio Bergamasco (BG)

City: Bergamo, Italy

Phone: +39 035 560 111

Fax: +39 035 561 021

Dalmine S.p.A

Address: Piazza Caduti 6 Luglio 1944, No. 1 24044 Dalmine (BG)

City: Dalmine, Italy

Phone: +39 035 560 111

Fax: +39 035 560 3827

Dalmine S.p.A

Address: Via Pio, No.30 24062 Costa Volpino (BG)

City: Costa Volpino, Italy

Phone: +39 035 975 310

Fax: +39 035 971 624

Dalmine S.p.A

Address: Loc. Ischia Di Crociano 57025 Piombino (Liovorno)

City: Piombino, Italy

Phone: +39 565 278 399

Fax: +39 565 276 057

Dalmine S.p.A

Address: Via Pio, No.30 24062 Costa Volpino (BG)

City: Arcore, Italy

Phone: +39 035 975 310

Fax: +39 035 971 624

Dalmine S.p.A

Address: Piazza Caduti 6 Luglio 1944, No. 1 24044 Dalmine (BG)

City: Dalmine, Italy

Phone: +39 035 560 111

Fax: +39 035 560 3827

Dalmine S.p.A

Address: Piazza Caduti 6 Luglio 1944, No. 1 24044 Dalmine (Bergamo)

City: Bergamo, Italy

Phone: +39 035 560 111

Fax: +39 035 560 3827

Dalmine S.p.A

Address: Via Pio, No.30 24062 Costa Volpino (BG)

City: Bergamo, Italy

Phone: +39 035 975 310

Fax: +39 035 971 624

Dalmine S.p.A.

Address: Via Achille Grandi, n 100 20043 Arcore (Monza e della Brianza)

City: Arcore, Italy

Phone: +39 039 66501

Fax: +39 60 13539

Tenaris Global Services Kazakhstan LLP

Address: Kazakhstan, 130000, Mangystau Region, Aktau, Industrial Zone, Subzone #3, Building ABK

City: Aktau, Kazakhstan

Phone: +7 (7292) 203 166

Tenaris Global Services Kazakhstan LLP

Address: Industrial Zone, Special Economic Zone ‘Seaport Aktau’ Subzone #3, Ste. 206 Aktau, Manghystau Region, 130000

City: Aktau, Kazakhstan

Phone: +7 (7292) 203 166

Tenaris Global Services Kazakhstan LLP

Address: Promzona Building AksaiGasProject, 1st floor

City: Aksai, Kazakhstan

Phone: +7 7122 761 800

Tenaris S.A.

Address: 26, Boulevard Royal

City: Luxembourg

Phone: +352 26 478978

Fax: +352 26 478979

Address: Polarbase Havneveien 50 9610

City: Rypefjord, Norway

Phone: +47 415 88 178

Tenaris Global Services Norway AS

Address: Kanalsletta 3

City: 4033 Stavanger, Norway

Phone: +47 51 44 3440

Fax: +47 51 44 3441

Tenaris Global Services Norway AS

Address: Eldfiskveien, Bygg 108

City: 4056 Tananger, Norway

Phone: + 47 51 44 34 25

TALTA
Trading e Marketing Sociedade Unipessoal LDA

Address: Rua da Alfândega, nº 74 – 76

City: 2º H, 9000-059

Phone: +351 291 281 424

Silcotub SA

Address: No. 93, Mihai Viteazu Blvd. 450131 Zalau

City: Zalau., Romania

Phone: +40 260 603 603

Fax: +40 260 661 581

Silcotub SA

Address: 162 Prelungirea Bucuresti Rd 910153 Călărași County

City: Călărași, Romania

Phone: +40 242 306600

Fax: +40 212 317032

Silcotub SA

Address: Charles de Gaulle Square No 15, 15th floor District 1, Bucharest

City: Bucharest, Romania

Phone: +40 21 2063800

Fax: +40 21 2317032

Silcotub SA

Address: Ploiesti - Targoviste Road, Km. 8 100213 Industrial Park,
Ploiești Prahova County

City: Ploiești, Romania

Phone: +40 244 408050

Silcotub SA.

Address: 13A Orizontului Street, Câmpina

City: Câmpina, Romania

Phone: +40 244 306260

Fax: +40 244 332223

Tenaris Global Services S.A.

Address: Voznesenskiy Lane 20, Stroyenie 3 125009

City: Moscow, Russia

Phone: +7 495 098 0264

Tenaris Global Services (Switzerland) S.A.

Address: Via Serafino Balestra 12, 6900 Lugano

City: Ticino, Switzerland

Phone: +41 91 910 2550

Tenaris Investments Switzerland AG
Tenaris Solutions AG
Tenaris Investments S.ar.l Luxemburg, Zug Branch

Address: Poststrasse 30

City: Zug, Switzerland

Phone: +41 41 727 1352

Tenaris Connections BV

Address: Piet Heinkade 55

City: Amsterdam, The Netherlands

Phone: +31 205091123

Fax: +31 205091369

Tenaris Global Services UK Ltd

Address: Minto Avenue Altens Industrial Estate Aberdeen AB12 3JZ

City: Aberdeen, Scotland

Phone: +44 1224 878824

Fax: +44 1224 898524

Tenaris Global Services UK Ltd

Address: Badentoy Crescent, Badentoy Industrial Estate, Portlethen, Aberdeen AB12 4Y

City: Aberdeen, Scotland

Phone: +44 1224 878824

Tenaris Global Services UK Ltd.

Address: Marischal Square 2, Broad Street, Aberdeen AB10 1BL

City: Aberdeen, Scotland

Phone: +44 1224 878824

Tenaris Saudi Arabia - Bahrain

Address: King Faisal Highway, Bahrain World Trade Centre, 9th floor, Manama 316

City: Manama, Bahrain

Phone: +966 (13) 812 9200

Tenaris Global Services S.A, Qatar

Address: Salam Tower, Corniche Street, 3rd floor, Office No. 1

City: Doha, Qatar

Phone: +974 40011 949

TenarisSaudiSteelPipes

Address: Second Industrial City

City: Dammam 34332

Phone: +966 (13) 812 2222

Tenaris Saudi Arabia Ltd.

Address: Second Industrial City

City: Dammam 31473 and 34324

Phone: +966 (13) 812 7701

TenarisSaudiSteelPipes

Address: Second Industrial City

City: Dammam 34326

Phone: +966 (13) 812 2222

Tenaris Global Services

Address: Tenaris Global Services Unit 101 Al Hilal Bank Building Old Passport Road, Al Falah Street

City: Abu Dhabi, United Arab Emirates

Phone: +971 (2) 493 0293

Tenaris Global Services

Address: Suites 2501 - 2505, 25th Floor, Tower A Business Central Towers PO Box 27581

City: Dubai, United Arab Emirates

Phone: +9714 427 1800 / 1801

Fax: +9714 423 0789

Tenaris Global Services

Address: Abu Dhabi Industrial City, ICAD II, Plot 34HR21

City:Abu Dhabi, United Arab Emirates

Algomatubes Inc.

Address: 547 Wallace Terrace

City:Sault Sainte Marie, Ontario

Phone: +1 705 941 6600

Fax: +1 705 941 6954

Hydril Canadian Company Ltd.

Address: 2307 8th Street

City: Nisku, Alberta

Phone: +1 780 955 2045

Fax: +1 780 955 7627

IPSCO

Address: 53309 Range Rd 232, Sherwood Park, AB T8A 4V2

City: Sherwood Park, Alberta

Phone: +1 780 467 2241

Precision Tube Canada ULC

Address: 4323-78 St. Crescent

City: Red Deer, Alberta T4P 3E3

Phone: +1 403 347-4544

Fax: +1 403 347-2102

Prudential Steel Ltd.

Address: 8919 Barlow Trail S. E.

City: Calgary, Alberta

Phone: +1 403 723 6400

Fax: +1 403 236 2249

Tenaris Global Services

Address: 300, 20 Bay Street (11th Floor)
Toronto, Ontario M5J 2N8

City: Toronto, Ontario

Phone: + 416 216 4617

Fax: + 416 214 2043

Tenaris Global Services

Address: 400, 530-8th Ave SW

City: Calgary, Alberta

Phone: +1 403 767 0100

Fax: +1 403 767 0299

Tenaris Service Centre

Address: SE-24-2-7W2
Bienfait, Saskatchewan S0C 0M0

City: Bienfait, Saskatchewan

Phone: +1 306 471 1460  (Rig Direct 24/7)
              +1 306 471 1046  (unloading and loading appointments)

Tenaris Service Centre

Address: 53307 Range Road 232

City: Sherwood Park, Alberta

Phone: +1 780 955 0666

Tubos de Acero de México S.A.

Address: Parque Logístico Industrial Tabasco
Av. Sn Lorenzo Mza 4 Lote 22 Bodegas 5 y 6
En carretera Villahermosa-Cárdenas
km 5+500 R/A Anacleto Canabal 4ta Sección Centro, Tabasco

City: Villahermosa

Phone: +52 993 317 6113
+ 52 993 317 6114

Tubos de Acero de México S.A.

Address: AV. San Rafael Lote 16, Parque Moll Industrial Col. Jacinto López

City: Reynosa, Tamaulipas

Phone: +52 899 923 5192
+ 52 899 953 8130

Tubos de Acero de México S.A.

Address: Paseo Tabasco #1203, despacho 1202 Bis 12th floor
Torre Empresarial Col. Lindavista

City: Villahermosa, Mexico

Phone: +52 993 315 5896

Tubos de Acero de México S.A.

Address: Carretera Coatzintla-Palma Sola KM 61,1 Población, La Laja

City: Poza Rica, Veracruz

Phone: +52 782 826 4800

Tubos de Acero de México S.A.

Address: AV. San Rafael Lote 16, Parque Moll Industrial Col. Jacinto López

City: Reynosa, Tamaulipas

Phone: +52 899 923 5192
+52 899 953 8130

Tubos de Acero de México S.A.

Address: Calle Edzna No. 47 Fracc. Mundo Maya

City: Cuidad del Carmen, Campeche

Phone: +52 938 381 4727

Tubos de Acero de México S.A.

Address: Ranchería el limón s/n Distrito Dos Bocas

City: Paraíso, Tabasco

Phone: +52 933 333 0977

Tubos de Acero de México S.A.

Address: Km 433.7 Carr. México- Veracruz Via Xalapa

City: Veracruz, Ver.

Phone: +52 229 989 1100

Tubos de Acero de México S.A.

Address: Km 433.7 Carr. México- Veracruz Via Xalapa

City: Veracruz, Ver.

Phone: +52 229 989 1100

Tubos de Acero de México S.A.

Address: Km. 433.7 Carr. México - Veracruz Via Xalapa, 91697 Veracruz

City: Veracruz, Mexico

Phone: +52 555 282 9919

Fax: +52 555 282 9966

Tubos de Acero de México S.A.

Address: Km 433.7 Carr. México- Veracruz Via Xalapa

City: Veracruz, Ver.

Phone: +52 229 989 1100

Tubos de Acero de México S.A.

Address: Av. Unión No. 163 1st floor, Sector Juarez

City: Guadalajara, Jalisco

Phone: + 52 333 678 9107

Tubos de Acero de México S.A.

Address: Carretera Monterrey - Laredo, km 24.2

City: Ciénega de Flores, NL

Phone: +52 (81) 8305 9605

Tubos de Acero de México S.A.

Address: Km 150 Carretera Cárdenas- Comalcalco. Ranchería Oriente, 5 sección Col. Centro

City: Comalcalco, Tabasco

Phone: + 52 1 989 1100 / ext. 2335 and 2336

Tubos de Acero de México S.A.

Address: Av. Araucarias Mz 12 Lote 1 Cd. Industrial Bruno Pagliali

City: Veracruz

Phone: +52 229 201 0020

Tubos de Acero de México S.A.

Address: Campos Eliseos No. 400, 17th Floor Col. Chapultepec Polanco

City: México, D.F.

Phone: +52 555 282 9919

Tubos de Acero de México S.A.

Address: Calle Edza No. 47 Fracc. Mundo Maya

City: Cuidad del Carmen, Campeche

Phone: + 52 938 381 4727

Hydril Company

Address: 201 Klein

City: Westwego, LA 70094

Fax: +1 504 348 3629

Hydril Company

Address: 302 McCarty Street

City: Houston, Texas

Fax: +1 713 670 3525

Hydril Company

Address: 3237 Patton Way

City: Bakersfield, CA 93308

Fax: +1 661 588 9332

IPSCO

Address:6403 6th Avenue

City: Koppel, PA 16136

Phone: +1 724 843 7100

IPSCO

Address: 7501 Groening Street

City: Odessa, TX 79764

Phone: +1 432 367 3200

IPSCO

Address: 1201 R Street

City: Geneva, NE 68361

Phone: +1 402 759 4401

IPSCO

Address: 100 Steel Plant Road

City: Wilder, KY 41071

Phone: +1 859 292 6060

IPSCO

Address: 84 Steel Plant Road

City: Wilder, KY 41071

Phone: +1 859 292 6060

IPSCO

Address: 23rd Street

City: Ambridge, PA 15003

Phone: +1 724 251 2515

IPSCO

Address: 2600 Grand Parkway

City: Baytown, TX 77523

IPSCO

Address: 10120 Houston Oaks Drive

City: Houston, TX 77064

Phone: +1 281 949 1023

IPSCO

Address: 2011 7th Avenue

City: Camanche, IA 52730

Phone: +1 563 242 0000

IPSCO

Address: 5610 Bird Creek Avenue

City: Catoosa, OK 74015

Phone: +1 918 384 6400

IPSCO

Address: 5460 North State Highway 137

City: Blytheville, AR 72315

Phone: +1 870 763 7700

IPSCO

Address: 6880 Parkway Drive

City: Brookfield Township, OH 44403

Phone: +1 330 448 6772

Maverick Tube Corporation

Address: 5000 N County Road 967

City: Blytheville, AR

Fax:+1 870 776 5089

Maverick Tube Corporation

Address: 699 FM 3083

City: Conroe, Texas 77031

Fax:+1 936 539 6322

Tenaris Coiled Tubes, LLC

Address: 8615 East Sam Houston Parkway

City: Houston, TX

Fax: +1 281 458 8938

Tenaris Coiled Tubes, LLC

Address: 8762 Clay Road

City: Houston, Texas

Fax: +1 713 460 8281

Tenaris Global Services (USA) Corp.

Address: 999 18th Street Suite 2100

City: Denver, CO 80202

Tenaris Global Services (USA) Corp.

Address: 8963 River Road

City: Wellsburg, WV 26070

Tenaris Global Services (USA) Corp.

Address: 7960 SH 35

City: Bay City, TX 77414

Tenaris Global Services (USA) Corp.

Address: 2418 N County Road 1119

City: Midland, TX 79706

Tenaris Global Services (USA) Corp.

Address: 210 Park Ave #2100

City: Oklahoma City, OK 73201

Tenaris Global Services (USA) Corp.

Address: 1314 County Road 1270

City: Amber, OK 73004

Phone: +1 405 222 3385
+1 405 224 1775

Tenaris Global Services (USA) Corp.

Address: 2418 N County Road 1119

City: Midland, TX 79706

Tenaris Global Services (USA) Corp.

Address: 1001 Navigation Blvd

City: Freeport, TX 77541

Tenaris Global Services (USA) Corp.

Address: 2200 West Loop South, Suite 800

City: Houston, Texas

Phone: +1 713 767 4400
+1 877 836 2747

Fax: +1 713 767 4444

Tenaris Global Services (USA) Corp.

Address: Penn Center West 3 Suite 124

City: Pittsburgh, PA 15276

Address: Av. Leandro N. Alem 1067, 27th floor

City: Buenos Aires, Argentina

Phone: + 54 11 4018 2100

Metalmecánica S.A.

Address: Ruta Nacional 7 Km. 701

City: Villa Mercedes - San Luis

Phone: +54 2657 432106

Fax: +54 2657 432510

Metalmecánica S.A.

Address: Ruta Provincial 55, Km. 754,1

City: Villa Mercedes - San Luis

Phone: +54 2657 432106

Fax: +54 2657 432510

Scrap Service S.A.

Address: Planta Gral. Savio

City: Servicio GM - Ruta 9 Km 278, Alvear, Provincia de Santa Fe

Phone: +54 336 44382 92 / 93 / 94

Scrap Service S.A.

Address: Ruta Provincial 8 Nº 4846

Phone: +54 11 4849 2971 / 2953

Scrap Service S.A.

Address: Ruta 4 Nº 7424

City: Esteban Echeverría

Phone: +54 11 4693 0880 / 0548

Scrap Service S.A.

Address: Av Gral Savio 4600

City: Ferreyra - Córdoba

Phone: +54 351 497 2416 / 8168

Scrap Service S.A.

Address: Ruta 6 km 203,4

City: Campana

Phone: +54 3489 433852/54

Siat S.A.

Address: Ruta Provincial 21 Km 49,8 2919

City: Villa Constitución - Santa Fe, Argentina

Phone: +54 3400 478401

Fax: +54 3400 478427

Siat S.A.

Address: Guatemala 3400 1822

City: Valentín Alsina - Buenos Aires, Argentina

Phone: +54 11 4365 9500

Fax: +54 11 4365 9671

Siderca S.A.I.C.

Address: Parque Industrial Neuquén Este Lote 2 Manzana 1 8300

City: Neuquén, Argentina

Phone: +54 9 299 460 2241

Fax: +54 299 441 3400 ext. 103

Siderca S.A.I.C.

Address: Campamento Barrancas 5515

City: Departamento Maipú - Mendoza

Phone: +54 261 155 555 440

Siderca S.A.I.C.

Address: Dr. Jorge Simini 250 (B2804MHA)

City: Campana, Argentina

Phone: +54 3489 433100

Fax: +54 3489 433100

Siderca S.A.I.C.

Address: Parque Industrial 9000 – Macizo 2

City: Comodoro Rivadavia - Chubut

Phone: +54 297 448 0187

Fax: +54 297 448 0187

Siderca S.A.I.C.

Address: Dr. Jorge Simini 250 B2804MHA

City: Campana, Argentina

Phone: +54 3489 433100

Fax: +54 3489 433100

Tenaris Global Services de Bolivia S.R.L.

Address: Torre ALAS piso 7 Av. Las Ramblas esquina Tropical

City: Santa Cruz de la Sierra, Bolivia

Phone: +591 3 388 8891

Address: Rua Tabapuã, 41, 3º andar, Itaim Bibi

City: São Paulo, SP, Brazil (04533-010)

Phone: +55 11 2137 6022

Address: Rua Paulo Emídio Barbosa, 485, Quadra 5A, Cidade Universitária

City: CEP 21941-907, RJ

Phone: + 55 21 3265 3500

Address: Rua Doutor Luis Felipe Câmara, 55, sala 1404 Edifício Empresarial Themis Tour, Lagoa Nova

City: Natal, Rio Grande do Norte, Brazil (59064-200)

Phone: + 55 84 2226 0202

Confab Industrial S.A.

Address: Av. República do Chile, 330 – 19º andar, Torre Oeste Centro

City: Rio de Janeiro (20031-170), Brasil

Phone: (21) 3733.1100

Confab Industrial S.A.

Address: Rua Dr. Gonzaga, s/n, Moreira Cesar, Pindamonhangaba,

City: São Paulo, Brazil

Phone: +55 12 3604 1000

Confab Industrial S.A.

Address: Av. Dr. Gastão Vidigal Neto, 475 Cidade Nova Pindamonhangaba

City: São Paulo (12414 - 020)

Phone: + 55 12 3644 9000

Fax: + 55 12 3644 9623

Confab Industrial S.A.

Address: Rua do Son dador, SN

City: CEP 28890-000 Rio das Ostras, Rio de Janeiro

Phone: + 55 22 2771 4510

Fax: + 55 22 2771 4523

TenarisConfab Hastes de Bombeio S.A.

Address: TenarisConfab Hastes de Bombeio S.A. R. Dr. Gonzaga, s/n, M. Cesar

City: Pindamonhangaba São Paulo (12440 - 200)

Phone: +55 12 3604 1000

Tenaris Global Services Chile Ltda

Address: Cerro El Plomo 5420, 3rd floor

City: Las Condes, Santiago de Chile

Phone: +56 2 363 3247

Fax: +56 2 363 3248

Tenaris Global Services Chile Ltda

Address: Joaquín Arguelles km 13,5

City: Rio Seco, Chile

Phone: +56 2 2655 2043

Tenaris Global Services

Address: Calle 35. No. 6-124. Vía a Caños Negros

City: Villavicencio, Colombia

Phone: + 57 8 6714510

Tenaris Global Services

Address: Torre AR Calle 113 No 7-80 Oficina 401

City: Bogotá, Colombia

Phone: +57 1 592 6400

Fax: +57 1 642 0090

Tenaris Global Services

Address: El Centro - Ecopetrol. Vereda La Forest

City: Barrancabermeja, Colombia

Phone: +57 3145954088

Tenaris TuboCaribe Ltda.

Address: Parque Industrial Carlos Vélez Pombo. Km 1. Vía Turbaco

Phone: + 57 5 6535400

Fax: + 57 5 6535400 - ext 4294

Tenaris Ecuador S.A.

Address: Panamericana Sur Km 16,2 y camino a San Alfonso Vía a Machachi, Pichincha

Phone: + 593 2 500 2400

Tenaris Global Services Ecuador S.A.

Address: Km 7 1 /2 Vía Proyecto
Shushufindi, Parroquia "7 de Julio"

City: El Coca, Ecuador

Phone: + 593 2 500 2499

Tenaris Global Services Ecuador S.A.

Address: Lizardo García E10-80 y Av 12 de Octubre, Edificio Alto Aragón, Piso 15

Phone: +593 2 500 2400   Ext 2426

Fax: +593 2 500 2400

Tenaris Global Services Perú S.A.C.

Address: Av. Rivera Navarrete 495, piso 12.

City: Lima, Peru

Phone: +51 1 213 5555/3566

Fax: +51 1 242 4719

Tenaris Global Services S.A.
Tenaris Ingeniería S.A.
Tsys S.A.

Address: Luis A. de Herrera 1248 - Edificio Plaza - World Trade Center

City: Montevideo, Uraguay

Phone: + 598 2 176-6000

Socominter S.A.

Address: Avenida 60, Almacenadora Alpesa

City: Zona Industrial de Maracaibo

Phone: + 58 261 736 3009

Fax: + 58 261 736 2930

Socominter S.A.

Address: Av. Jorge Rodriguez, Sector Las Garzas, Edif. Torre BVC, Piso 11, Ofc. 11-G

City: Sector Las Garzas, Edificio

Phone: +58 281 700 1714

Socominter S.A.

Address:Av. La Estancia. Edificio La General, 9th floor 1061

City:Chuao, Caracas

Phone: + 58 212 918 3199

Fax: + 58 212 600 3937