Fast, Creative, Innovative

We Advance With The Power We Get From
Our Customers, Business Partners and Employees!

TRN HOLDING

has a strong structure

with its companies in various sectors

TRN HOLDING was established by combining the experiences
and commercial activities gained in the field of facility
management, which has been operating since 1991, within the
Holding in 2019 and establishing a corporate structure.

BUBBLE PLUS in facility management,
NETWORKSER in Energy, Electric Electronic and Telecom services,
DE WITTE PRODUCTS in industrial product development,
They continue their activities within TRN HOLDING.

TRN HOLDING

has a strong structure with
its companies in various sectors

TRN HOLDING was established by combining the experiences and commercial activities gained in the field of facility management, which has been operating since 1991, within the Holding in 2019 and establishing a corporate structure.

BUBBLE PLUS and TRN MANAGEMENT in facility management, NETWORKSER in Electric Electronic and Telecom services, DE WITTE PRODUCTS in industrial product development, They continue their activities within TRN HOLDING.

DE WITTE PRODUCTS

NETWORKSER

BUBBLE PLUS

WE COMBINE OUR KNOWLEDGE AND
TECHNOLOGY AND DIRECT OUR WORKS.