Los fabricantes tienen representantes en cada pais, por ejemplo

Chemstations (Chemcad):

Brazil, Argentina, Chile:

Chemtech - A Siemens Company
Alex Lopes Freitas
Rua da Quitanda 50
21 floor
Rio de Janeiro / RJ CEP: 20011-030 Brazil
55-21-3233-5100
55-21-3233-5102 FAX
web site: http://www.chemtech.com.br
email: alex.freitas@chemtech.com.br

Venezuela, Colombia:

TuSoftware.com / Representaciones Caesar, C.A.
Av. 1, Centro Profesional Los Samanes
Piso 4 Ofc. 4-B Urb. Los Samanes
Caracas 1080, Venezuela
58-212-941-2045
58-212-941-4686 FAX
web site: http://www.tusoftware.com
email: info@tusoftware.com

United States, Canada, Mexico, and all unlisted countries and territories:

Chemstations, Inc.
2901 Wilcrest, Suite 305
Houston, TX 77042
800-243-6223
713-978-7700
713-978-7727 Fax
email: sales@chemstations.net

simsci (Pro/II)

Argentina, Chile, Perú, Bolivia, Paraguay & Uruguay
Invensys Systems Argentina, Inc.
Nunez 4334
1430 Buenos Aires
Buenos Aires 1430 - Argentina
T +54 11 6345 2100
info.ar@simsci.com

Brasil
Invensys Systems Brasil Ltda.
Av. Chibaras 75 - Moema
Sao Paulo
SP 04076 000 - Brazil
T +55 11 6844 0254
info.bz@simsci.com

Colombia
Invensys Systems Colombia
Calle 69 A No. 4-77
Bogota D.C. - Colombia
T +57 (1) 3136363
info.vz@simsci.com

Mexico
Invensys Systems Mexico, S.A.
Av. Ejército Nacional, 1005
Colonia Irrigación
Mexico City 11500 - Mexico
T +52 5 55 263 0100
info.mx@simsci.com

Venezuela
Invensys Systems Latin America Corp.
Av. Fco de Miranda, Torre Delta
Piso 12, Altamira
Caracas 1060 - Venezuela
T +58 212 267 5868
info.vz@simsci.com

aspentech:

Argentina

Aspen Technology Argentina
Ing. Butty 240 4ºPiso,
C1001AFB - Buenos Aires
Argentina
Phone: +54 (11) 4590 2255
Fax: +54 (11) 4590 2236

Brazil

AspenTech Brasil S/C Ltda
Edifício Antonio Alves Ferreira Guedes
Av. Brigadeiro Faria Lima, 3729 - 5.º andar (Piso Regus)
CEP: 04538-905 - São Paulo - SP - Brasil
Phone: +55 11 3443 6261
Fax : +55 11 3443 6368

Mexico

AspenTech de Mexico S. de R.L. de C.V.
Av. Paseo de la Reforma 350, Col. Juarez
10th floor, Office 10027
Mexico City, 06600
Phone: 5255 91711368
Fax: 5255 91711499

Spain

Aspen Technology S.L.
Gran Via de les Corts Catalanes
583 5a Planta
08011 Barcelona
España
Phone: +34 93 306 35 50
Fax: +34 93 306 35 56