Koja Group

Postal address: PO Box 351, FI-33101 Tampere, Finland
Street address: Lentokentänkatu 7, FI-33900 Tampere, Finland
Tel. +358 3 2825 111
Email: koja(at)koja.fi

Koja Oy

Postal address: PO Box 351, FI-33101 Tampere, Finland
Street address: Lentokentänkatu 7, FI-33900 Tampere, Finland
Tel. +358 3 2825 111
Email: koja(at)koja.fi

Email: firstname.lastname(at)koja.fi

Management

Leena Aalto
CEO, Koja Oy & Koja-Yhtiöt Oy

Financial

Anu Mäenpää
Financial Director, Koja-Yhtiöt Oy

Invoicing
Email: laskut(at)koja.fi

Quality and Development

Johanna Kärki
Development Director, Koja-Yhtiöt Oy

Matti Huvinen
Energy & Environment Manager, Koja-Yhtiöt Oy

Procurement

Mikko Salminen
Sourcing Director, Koja-Yhtiöt Oy

HR

Miia Sarkola-Korhonen
HR Director, Koja-Yhtiöt Oy

Communications

Minna Virtavuo
Communications Manager, Koja-Yhtiöt Oy

Sales, Air Conditioning Systems

Email: kojamarine(at)koja.fi

Vesa Aalto
Business Director
+358 40 767 7763

Teemu Tanninen
Head of Sales
+358 44 333 5069

Energy and Modernization Services, EU

Jere Vähämäki
Project & Sales Manager
+358 40 507 3199

Spare Parts, EU

Email: marine.spareparts(at)koja.fi

Spare parts form »

Koja USA Inc., Marine

Email: kojausa(at)koja.com

Pasi Lähteinen
CEO / President
+1 786 647 5268

Henri Tuhola
Vice President
+358 50 325 9401

Email: firstname.lastname(at)koja.fi

Joonas Lius
Business Director
+358 50 545 4969

Taneli Timlin
CTO
+358 50 379 6422

Wholesale Orders and Invoicing
Jaana Eklund
Sales Coordinator
+358 40 517 1384

Sales

Nina Rantapaju
Key Account Manager
+358 50 554 2859

Manu Hauta-aho
Area Sales Manager
+358 50 573 3710

Matti Riskumäki
Sales Manager
+358 40 865 7972

Kimmo Koivuniemi
Area Sales Manager
+358 40 507 3547

Kirsi Virta
Sales Manager
+358 50 438 9560

Aleksi Haavisto
Area Sales Manager
+358 50 531 2207

Antti Jauhiainen
Area Sales Manager
+358 400 830 773

Janne Jokivuori
Sales Manager
+358 50 341 1946

Joseph Hollingworth
Area Sales Manager
+358 50 529 6511

Markku Eskola
Group Product Manager, Future S & H
+358 50 411 8206

Energy and Modernization Services

Sauli Syrjänen
Account Director
+358 40 557 8774

Janne Ekman
Project Manager
+358 50 300 0083

Warranty Handlings

Warranty handlings (mechanics)
Marko Loukko
Warranty Handler
+358 50 478 3114

Warranty handlings form »

Warranty handlings (electrical and automation)
Takuukasittely.sahkoautomaatio@koja.fi

Spare Parts and Technical Support

Spare parts, Technical support (mechanics)
Marko Loukko
Warranty Handler
+358 50 478 3114

Spare parts form »

Technical support (electrical and automation)
+358 3 282 5070
Support service: Mon-Fri 8am-4pm 

General email: processfans(at)koja.fi

Personal emails: firstname.lastname(at)koja.fi

Pasi Lähteinen
Business Director
+358 400 661 182

Sales

Jukka Ylisiurunen
Sales Manager
+358 400 630 297

Jaakko Sirenne
Export Manager
+358 40 511 0423

Projects and deliveries

Katja Hyrynen
Business Unit Manager
+358 50 572 5608

Tiina Hautala-Saarikko
Export & Project Coordinator
+358 50 330 3734

Life Cycle Services and Spare Parts

Heikki Berg
Service Manager
+358 50 366 7091

Marko Jaatinen
Sales Manager
+358 40 136 6608

Mikael Korhonen
Sales Manager
+358 50 061 8638

Perttu Laavisto
Project Manager
+358 400 746 254

Susanna Vihlman
Project Coordinator
050 477 7840

Minna Kajosalmi
Aftersales Coordinator
+358 50 477 1088

Spare parts form »

Warranty Handlings

Tuomas Aalto
Quality Engineer
+358 40 739 2715

Warranty handlings form »

Industrial solutions, Sweden

Sales

Mikael Petersson
Sales Manager
+46 709 30 55 30

Matilda Svensson
Sales Manager
+46 709 30 59 90

Anton Lönnblom
Sales Manager
+46 709 30 59 94

Life Cycle Services

Anders Rylander
Project & Site Manager
+46 705 67 08 24

Jonas Nilsson
Project & Site Manager
+46 709 55 98 89

Industrial Solutions, USA

David Mais
Sales Director
+1 786 656 3228

Anssi Alatalo
Project Director
+1 786 614 4179
+358 50 546 1149

Koja USA Inc.

Pasi Lähteinen
CEO/President
+1 786 647 5268

Carolina Schwerer
Business Manager
+1 786 403 1001

Maritzel Perez
Accounting Manager
+1 786 618 8850

Marine

Henri Tuhola
Vice President
+358 50 325 9401

Ivan Ordonez
Project Manager
+1 772 302 0907

Industrial Solutions

David Mais
Sales Director
+1 786 656 3228

Anssi Alatalo
Project Director
+1 786 614 4179
+358 50 546 1149

Koja Oy, Ruotsi

Mikael Petersson
Sales Manager, Industrial Solutions
+46 709 30 55 30

Matilda Svensson
Sales Manager, Industrial Solutions
+46 709 30 59 90

Anton Lönnblom
Sales Manager, Industrial Solutions
+46 709 30 59 94

Anders Rylander
Project & Site Manager, Industrial Solutions, Service
+46 705 67 08 24

Jonas Nilsson
Project & Site Manager, Industrial Solutions, Service
+46 709 55 98 89

Chiller Oy

Joonas Lius
Managing Director
+358 9 274 7670

TAMPERE

PL 351, 33101 Tampere
(Lentokentänkatu 7, 33900 Tampere)
Tel. +358 3 2825 111

JALASJÄRVI

PL 72, 61601 Jalasjärvi
(Vaasantie 255, 61600 Jalasjärvi)
Tel. +358 3 2825 111

VANTAA

Vantaankoskentie 14, 01670 Vantaa
Tel. +358 3 2825 111

TURKU

Hitsarinkatu 2, 20360 Turku
Tel. +358 3 2825 111

Koja USA Inc.

2332 Galiano Street, 2nd Floor, Coral Gables, FL 33134, USA
Tel. +1 786 403 1001

Koja Oy, filial i Sverige

Videum Science Park, 351 96 Växjö, Sverige
Tel. +46 709 30 55 30

Chiller Oy

Louhostie 2, 04300 Tuusula
Tel. +358 9 274 7670

FREIGHT AND DELIVERY TRAFFIC

Koja Oy, Jalasjärvi:
Vaasantie 255, 61600 Jalasjärvi
Notice: Effective September 2,2025, the new address will be: Sepänkatu 11, 61600 Jalasjärvi

Koja Oy, Tampere:
Sarankulmankatu 8, 33900 Tampere

INVOICING INFORMATION

Please add Koja’s order number and the name of your contact person to the invoice to make sure the invoice is redirected correctly.

KOJA OY

ID: 1841338-0
VAT: FI18413380

E-invoicing in Finland
Koja Oy primarily accepts e-invoices.
E-invoicing address: 003718413380
Our e-invoicing operator: Apix Messaging Oy, 003723327487

PDF invoices via e-mail
If you do not send e-invoices, we primarily accept PDF invoices via email:
laskut(at)koja.fi
The invoices shall be attached to the email as PDF files and only one invoice per one PDF file.

Paper invoices
If you send paper invoices, our invoicing address is:
Koja Oy
PO Box 351
FI-33101 Tampere
Finland

CONTACT US