I am looking for a list including contact details of manufacturers of
crude oil cargo heaters. These heaters are normally used on oil
tankers in order to keep crude oil warm enough to pump on shore once
the tanker reaches it's destination. I know of one such manufacturer
called Frank Mohn in Norway (www.framo.no) to whom we currently sell
but are looking for other similar companies with a view to making an
approach.

Dear Ad1909,
Thank you for your question.
I have found the following manufacturers, which i hope are suitable:
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Aalborg Industries A/S
P O Box 661, Gasvaerksvej 24
9100 Aalborg, Denmark
Phone:	+45 99 304000
Fax:	+45 98 168316
Telex	69705 albor dk
Email:	aal@aalborg-industries.dk 
http://www.aalborg-industries.com/
 
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Harms GmbH	
Essostrasse 16	
D-76187 Karlsruhe	
Tel:	+49 (0) 7 21 - 56 83 03 - 0
Fax:	+49 (0) 7 21 - 56 83 03 - 9
mailto:info@harms-gmbh.de
http://www.harms-gmbh.de/uk/index.htm
"Aim and purpose of company Harms GmbH is to act as engineering
consultants as well as to supply high temperature heating plants for
industrial application and for the installation on seagoing vessels.
The know how which we have gained at the wind up and delivery of some
thousands heating plants are basis of our heater designs.
Burner heated thermal oil boilers, electrically heated thermal oil
heaters, waste gas heated thermal oil heaters all of them equipped
with the required plants components from burner to switchboard, pump
groups, secondary loops, vessels, heat exchangers or fittings very
priceworthy can be supplied by us in a high quality.
Supply of spare parts as well as service for heating plants of all
European manufacturers can be carried out by us at competitive and
reasonable prices.
For special purposes,e.g. for the edible oil or margarine production
we are supplying high pressure natural circulation steam boilers being
designed for a max. operation pressure of 95 bar (corresponding to a
saturated steam temperature of 308°C).
Descriptions of the various fields of application and the different
heat outputs of our high temperature heating systems will be found in
the corresponding serial description of the heating plants
If further details should be needed please don't hesitate to contact
us again."
http://www.harms-gmbh.de/uk/wir.htm 
  
------------------------------
Wanson Industries nv
Woluwelaan 30 - B-1130 Brussels
Tel: +32 (0)2 247 02 47 
Fax: +32 (0)2 247 02 48
Email: sales@wanson.be
"Wanson Industries is an industrial organization which is worldwide
known as a manufacturer and supplier of specialist heating boilers for
industrial applications.
The boilers manufactured by Wanson Industries are based on a range of
technologies and include "smoke tube steam boilers", "quick steam
generators", "thermal oil heaters", "hot air generators" and "burners"
http://www.wanson.be/
  
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Gothenburg Energy Systems AB
Angpannegatan 15A
SE - 415 05 Gothenburg
SWEDEN	
Phone : +46 (0)31 74 41 950
Fax     : +46 (0)31 77 97 841
Email:gesab@gothenburg-energy-system.se
http://www.gesab.net/
GESAB was built on the long standing maritime and heavy industry
tradition found in Sweden. 
The Company Founders started GESAB in the mid 80ies 
after having worked with marine heater applications for several
decades.
*	The Company's mission is to design, build and deliver high quality 
and cost effective heating systems to marine and industrial users
world wide.
*	This undertaking requires the Company to manage all phases of
feasibility studies,
engineering, design, procurement, fabrication, 
delivery and commissioning of heating systems complete with spare
parts.
*	Engineering is an essential part of the Company. 
GESAB has developed a very powerful computer program for the design of
complete heating systems with thermal oil heaters, exhaust boilers,
heating coils
and other heat consumers.
*	The Engineering department is further assisted by the latest
computer hardware
operating various state of the art design and drafting programs. 
*	Starting in 1998, GESAB now exclusively manufactures the well known
HTI Thermal Boilers in its own facilities.
*	The Company continuously plays a leading role on the market, 
has positioned itself above the competition and has a bright future !
http://www.gesab.net/the_story.htm
   
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Unitor ASA
Drammensveien 211
PO Box 300, Skøyen
N-0213 Oslo
Norway
Phone:	[+47] 22 13 14 15
Fax:	[+47] 22 13 45 00
Email: web@unitor.com
http://www.unitor.com/
"Unitor offers quality products from leading manufacturers around the
world. Each product is tested extensively to ensure that it will
perform reliably in the marine environment. The product offer
comprises over 10,000 products for use aboard commercial vessels,
classified by area of use:
-Maintenance and repair equipment
-Full range of marine gases and a world-wide gas cylinder
 exchange program
-Marine refrigerants, compressors and spare parts
-Cleaning chemicals
-Fuel treatment additives
-Products for boiler and cooling water management
-Fire detection and suppression equipment and systems
-Nitrogen generator systems
-Heating, ventilation and air conditioning systems
-Products specially for use on cruise vessels 
Technical support and advice is provided for all Unitor products and
services. Contact us for further information"
http://www.unitor.com/framecont/f_top_prodserv.htm
------------------------------
  
I hope you find this information useful!
regards,
Jackburton-ga
   
------------------------------
Sources:
http://www.imarest.org
Search terms used (google):
"cargo heating"
marine "cargo heating" "crude oil"
marine "cargo heating" oil
marine"thermal oil" cargo heating
wanson thermopac
gesab
------------------------------

First impressions are that this looks like good information. I'll
certainly consider using the servivce again especially when time is
tight and we don't have time to trawl the internet our selves.

Thanks