- Credit score:
- Reliable
- Reputation score:
- 43,590
- Employees:
- 256
- Forecast turnover (2026):
- 102,512,604 €
Durable, economical and smart solutions!
TREV-2 Group is a company focused on the construction and maintenance of infrastructure objects and facilities.
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expert assessment of building design documentation
-
design
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sanitation
-
design and construction
-
technique
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sewer system
-
maintenance of public roads
-
audit of construction works
-
construction research
-
construction of gas installation
-
making of traffic management projects
-
pressure equipment works
-
construction of roads and bridges
-
tea care
-
environmental construction
-
mining of mineral resources
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traffic management
-
road project management
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project management of bridges
-
production and installation of asphalt
-
building equipment rental
-
car wash service
-
building
-
construction
-
construction work
-
maintenance
-
repair work
-
repair
-
rebuilding
-
the warehouse
- Credit score:
- Reliable
- Reputation score:
- 4,950
- Employees:
- 7
- Forecast turnover (2026):
- 3,284,923 €
Pipeline and heating installation
ventilation, bosch climate engineering, City Climate, heating solution, balancing the heating system, ground heat, ground source heat pump, Smart Management, solar heating, underfloor heating
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balancing the heating system
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sewerage
-
water supply
-
water floor heating
-
cooling system
-
cooling systems
-
balancing the heating system
-
water tanks
-
ventilation
-
bosch climate engineering
-
city climate
-
heating solution
-
ground heat
-
ground source heat pump
-
smart management
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solar heating
-
underfloor heating
-
the heat center
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heat pump maintenance
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thermia
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air to air heat pump
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heat pumps
-
air to water heat pump
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installation
-
floor pouring
-
excavation work
-
question
-
ground source heat pumps
-
radiator heating
-
cooling
- Credit score:
- Borderline
- Reputation score:
- 4,100
- Employees:
- 18
- Forecast turnover (2026):
- 1,051,721 €
Building Quality, Creating Homes!
We provide comprehensive construction and repair services, specializing in general contracting and pipework for private homes.
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heating system piping
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water supply solutions
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system refurbishment
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design and planning
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installation of water and sewerage lines
-
installation of electrical systems
-
installation of sewerage systems
-
general construction and repair works
-
general building contractor
-
high quality construction services
-
specialists in residential pipework
-
reliable home repair contractors
-
durable construction solutions
-
expert in pipe work installation
-
home renovation services
-
professional building contractors
-
bespoke repair
-
general construction
-
custom home building
-
project management
-
housing development projects
-
preventive care
-
home renovation
-
restoration works
-
emergency repair services
-
residential plumbing
-
plumbing system installation
-
establishment of foundations
-
construction of walls and roof
-
construction of substructures
- Credit score:
- Borderline
- Reputation score:
- 3,730
- Employees:
- 19
- Forecast turnover (2026):
- 1,724,776 €
Installation of sanitary equipment
water supply, heating solutions, Sewer systems, water mains, floor heating, water-measuring nodes, Plumbing, draining, wastewater disposal, heating elements
- Credit score:
- Risky
- Reputation score:
- 3,530
- Employees:
- 6
- Forecast turnover (2026):
- 483,783 €
Building construction works
interior finishing, Roof construction, Repair of apartments, bathroom repair, repair of offices and offices, painting and wallpapering, water supply and sewerage works, flooring installation, all inclusive building, High quality materials
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water supply and sewerage works
-
waterproof plywood
-
design
-
rainwater system
-
design sauna
-
interior finishing
-
roof construction
-
repair of apartments
-
bathroom repair
-
repair of offices and offices
-
painting and wallpapering
-
flooring installation
-
all inclusive building
-
high quality materials
-
roof
-
custom home construction
-
masonry services
-
roofs
-
insulation work
-
facades
-
underfloor heating
-
ceramic tile
-
the general contractor
-
wooden frame
-
plate
-
materials
-
window sills
-
technique
-
connectors
-
layout
- Credit score:
- Reliable
- Reputation score:
- 3,520
- Employees:
- 7
- Forecast turnover (2026):
- 572,901 €
Terviklikud ehituslahendused sinu jaoks!
Meie firma pakub kõiki ehituslahendusi, alates fassaaditöödest kuni terrassi ehitamiseni. Meie eesmärk on pakkuda parimat teenust ja kvaliteetseid tulemusi, mis kestavad pikka aega.
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water supply
-
construction of rainwater systems
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water supply
-
views systems
-
construction and real estate
-
construction
-
construction
-
rental workforce mediation
-
custom home construction
-
chimney work
-
wooden outbuildings
-
production buildings
-
industrial
-
facade work
-
general construction
-
roofing
-
indoor building work
-
terrace building
-
stone furniture
-
plastering
-
painting
-
glassing
-
interior finishing
-
construction of structures
-
sewerage
-
roof stain
-
roof windows
-
roof frames
-
wallpaper
-
floors
- Credit score:
- Reliable
- Reputation score:
- 3,440
- Employees:
- 12
- Forecast turnover (2026):
- 1,179,235 €
Warmth and Comfort, Engineered to Last.
We specialize in the design, construction, and maintenance of heating systems, boiler houses, and water supply networks, ensuring efficient energy use and comfort for our clients.
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central heating systems
-
water supply
-
sewerage
-
industrial water services
-
water and sewerage
-
water services
-
energy and mineral resources
-
heating
-
heating solutions
-
equipment and machinery
-
construction
-
construction
-
boiler houses
-
thermal equipment
-
boiler house construction
-
ground heating
-
heat node solution
-
sewer
-
diamond drilling
-
heat nodes
-
eco-friendly ground heating
-
ground source heat pump installation
-
renewable heating
-
water pipeline installation
-
sewer construction and maintenance
-
environmentally friendly water solutions
-
thermal equipment installation
-
custom machine solutions
-
construction services
-
construction of boiler house
- Credit score:
- Reliable
- Reputation score:
- 3,300
- Employees:
- 6
- Forecast turnover (2026):
- 1,096,858 €
Pipeline and heating installation
Service, Construction, Construction, cooling and air conditioning systems, heat pumps, air conditioning systems, climate control maintenance, climate control equipment sale, climate control installations, air conditioning units, ground source heat pumps
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air to water heat pumps
-
air heating systems
-
consultation
-
design
-
equipment
-
heating systems
-
design and installation
-
construction and real estate
-
construction
-
construction
-
cooling and air conditioning systems, heat pumps
-
air conditioning systems
-
climate control maintenance
-
climate control equipment sale
-
climate control installations
-
air conditioning units
-
ground source heat pumps
-
sale and installation of ground heat pumps
-
ventilation equipment sales
-
installation of ventilation equipment
-
repair of ventilation equipment
-
ventilation work
-
air-to-air heat pumps
-
air source heat pumps
-
sale and consultation of recombinant pumps
-
service and care of software papers
-
protection and care of ventilation-systems
-
precision and care of question systems
-
cleaning of ventilation
-
protection of characteristics
- Credit score:
- Reliable
- Reputation score:
- 3,090
- Employees:
- 8
- Forecast turnover (2026):
- 737,974 €
Installation of electrical equipment
commercial premises renovation, heating solutions, Ventilation and cooling, Water supply and sewerage, Design of heating systems, energy calculation, pipe wash, electrical works, renovation, SPECIAL WORKS
-
water supply and sewerage
-
design of heating systems
-
sewer systems
-
water supply
-
water supply systems
-
construction and real estate
-
heating solutions
-
ventilation and cooling
-
energy calculation
-
pipe wash
-
electrical works
-
renovation
-
special works
-
rebuilding
-
modernhome
-
solutions
-
sanitation
-
cooling
-
cooling systems
-
sweden
-
maintenance
-
sewerage
-
electricity
-
ventilation work
-
electrical systems
-
maintenance work
-
project manager
-
smart house solutions
-
heating solution
-
ventilation solutions
- Credit score:
- Reliable
- Reputation score:
- 3,060
- Employees:
- 3
- Forecast turnover (2026):
- 214,309 €
Engineering-technical design
Buildings technical systems engineering and consulting.
-
technical system design
-
building system design companies
-
water supply system design
-
water and sewerage systems
-
heat supply
-
water and sewer systems
-
water and sanitation systems
-
engineering design offices
-
design companies
-
design of building technical systems
-
consulting
-
heating, ventilation, cooling
-
consumer water, sewage
-
preparation of energy performance certificate
-
ventilation system consulting
-
heating project planning
-
energy efficiency consulting
-
engineering consulting services
-
hvac design consulting
-
plumbing and sewage design services
-
energy performance certificate preparation
-
building technical systems consulting
-
cooling system engineering
-
wastewater system consulting
-
technical consulting firms
-
technical systems
-
design
-
ventilation and cooling systems
-
strong and weak flow automation systems
-
heating solutions
- Credit score:
- Reliable
- Reputation score:
- 2,910
- Employees:
- 3
- Forecast turnover (2026):
- 268,472 €
Building construction works
Construction, Construction, private house building, design of private houses, Measurements/Studies, Construction of intra-plot routes, Special Parts Work, the Plot Field Works, construction documentation, preparation of building documentation / application for use and occupancy permits
-
design of private houses
-
water supply and sewerage
-
design
-
water supply
-
technical design
-
construction
-
construction
-
private house building
-
measurements/studies
-
construction of intra-plot routes
-
special parts work
-
the plot field works
-
construction documentation
-
preparation of building documentation / application for use and occupancy permits
-
free advice
-
surveying and surveys
-
preparation of building documentation
-
general construction work of a private house
-
communication systems
-
heating and ventilation
-
electrical and surveillance systems
-
sewerage
-
installation
-
engineer
-
tiling services
-
question
-
road and square construction
-
research
-
drainage systems
-
constructions
- Credit score:
- Reliable
- Reputation score:
- 2,880
- Employees:
- 5
- Forecast turnover (2026):
- 967,807 €
Installation of air conditioning systems
Gas boilers, Gas Design, gas works, heating design, heating works, ground source heat pump, radiant floor heating, Radiator Heaters, heat pump, water system construction
-
gas design
-
heating design
-
water system construction
-
water supply and sewerage
-
water supply
-
gas boilers
-
gas works
-
heating works
-
ground source heat pump
-
radiant floor heating
-
radiator heaters
-
heat pump
-
construction
-
construction
-
construction of gas installation
-
boilers
-
electric boilers
-
sales of gas equipment
-
heating solutions
-
pressure washing of heating systems
-
construction of heating systems
-
ground source heat pumps
-
construction of in-house gas pipelines
-
underfloor heating
-
renovation work
-
air to water heat pumps
-
air heating systems
-
optimal solution
-
industrial
-
abroad
- Credit score:
- Reliable
- Reputation score:
- 2,800
- Employees:
- 4
- Forecast turnover (2026):
- 229,356 €
Pipeline and heating installation
Installation of heating piping, Installation of water supply line, Installation of tanks and septic tanks, Dishwasher installation, Boiler Installation, Radiator Installation, Installation of air-water heat pumps, San Technical Works, Waterworks works, Sewer pipe replacement
-
installation of water supply line
-
waterworks works
-
water pipe replacement
-
water supply and sewerage
-
installation of water and sewerage systems
-
resolution of water supply problems
-
maintenance
-
installation of sewerage systems
-
installation of heating piping
-
installation of tanks and septic tanks
-
dishwasher installation
-
boiler installation
-
radiator installation
-
installation of air-water heat pumps
-
san technical works
-
sewer pipe replacement
-
private house construction
-
building and renovation
-
sewerage pipelines installation
-
climate control installations
-
heating solutions
-
installation of tanks
-
installation of hot water boilers
-
warm-up work
-
installation of piping, heating and air conditioning systems
-
plumbing services
-
installation of boilers
-
general construction
-
electrical works
-
construction preparation
- Credit score:
- Reliable
- Reputation score:
- 2,780
- Employees:
- 5
- Forecast turnover (2026):
- 281,865 €
Engineering-technical design
complex reconstruction of apartment buildings, legalization of buildings, application for permits for use, apartment building reconstruction, building legalization services, permit application assistance, comprehensive renovation solutions, KredEx construction support projects, facade design and renovation, roofing and heating system projects
-
electrical supply and parking design
-
design of heating systems and ventilation
-
design of electrical systems
-
design of water and sanitation systems
-
heating system project
-
engineering-technical design
-
complex reconstruction of apartment buildings
-
legalization of buildings
-
application for permits for use
-
apartment building reconstruction
-
building legalization services
-
permit application assistance
-
comprehensive renovation solutions
-
kredex construction support projects
-
facade design and renovation
-
roofing and heating system projects
-
ventilation and plumbing systems
-
insurance for construction projects
-
architectural and structural projects
-
partial and full renovation packages
-
condominium renovation partner
-
complex building reconstruction
-
reconstruction of apartment buildings
-
renovation package
-
architectural and constructive design
-
design of parking lots and external utility networks
-
preparation and regularization of construction documentation
-
architectural project
-
a constructive project
-
ventilation system project
- Credit score:
- Risky
- Reputation score:
- 2,750
- Employees:
- 2
- Forecast turnover (2026):
- 146,553 €
Construction of sewer lines
Design, installation of boiler and heating wires, heating equipment installation, maintenance, Welding, repair, Installation, management of stormwater, household gas supply, quality control and maintenance
-
water supply and design of sewerage lines
-
wastewater treatment
-
installation
-
design
-
water circulation pumps
-
integration of the heating system
-
household gas supply
-
radiator installation
-
pipe welding
-
plumbing installation
-
pumping systems
-
storage of trasses
-
excavation work
-
metal pipes
-
polymer tubes
-
the sanitation network
-
construction management
-
radiators
-
plumbing services
-
gas trails
-
installation of heating and heating systems
-
installation of boiler and heating wires
-
heating equipment installation
-
maintenance
-
welding
-
repair
-
management of stormwater
-
construction
-
quality control and maintenance
-
leak tests
- Credit score:
- Reliable
- Reputation score:
- 2,680
- Employees:
- 1
- Forecast turnover (2026):
- 45,315 €
Flowing Towards a Sustainable Future!
We offer personalized services in designing, consulting, and facilitating the implementation of water supply and sewerage infrastructure.
-
design of external water supply and sewerage
-
sewerage system design
-
external water supply design
-
water supply engineering
-
design of external water supply and sewerage
-
drafting of vk projects
-
technical advice on design
-
advice on building and putting into service
-
technical design consulting
-
building commissioning advice
-
infrastructure project drafting
-
utility network design services
-
civil engineering consulting
-
sewage system engineering
-
construction technical support
-
engineering project coordination
-
building services engineering
-
urban development infrastructure design
-
property connection to utility networks
-
technical advice on design
-
construction and deployment advice
-
design of water reserves and sewers
-
street pipelines
-
connecting points
-
land plumbing
-
technical advice
-
coordination of the project
-
passing regulations
-
building permit acquisition
-
construction documentation
- Credit score:
- Reliable
- Reputation score:
- 2,660
- Employees:
- 1
- Forecast turnover (2026):
- 157,367 €
Installation of air conditioning systems
Electronics Industry, air conditioning units, heating, heating solutions, Equipment and machinery, cooling and air conditioning systems, heat pumps, Cooling equipment, air conditioning systems, climate control maintenance, climate control equipment sale
-
air conditioning systems
-
air to water heat pumps
-
air heating systems
-
maintenance
-
equipment
-
air conditioning
-
ventilation systems
-
air water heat pumps
-
electronics industry
-
air conditioning units
-
heating
-
heating solutions
-
equipment and machinery
-
cooling and air conditioning systems, heat pumps
-
cooling equipment
-
climate control maintenance
-
climate control equipment sale
-
climate control installations
-
ventilation automation
-
repair of ventilation equipment
-
maintenance of ventilation systems
-
ventilation work
-
air-to-air heat pumps
-
air source heat pumps
-
wall models for air conditioners
-
closet air conditioners
-
mobile air conditioner
-
compressor aggregates
-
air conditioners without external equipment
-
cooling
- Credit score:
- Reliable
- Reputation score:
- 2,470
- Employees:
- 3
- Forecast turnover (2026):
- 140,777 €
Architect activities
facade work, road and site design, insulation of facades and roofs, measurement and amendment projects, replanning and reconstruction projects, Roofing, finishing works, excavation work, Architect, construction supervision
-
design of private houses
-
private house design
-
electricity supply projects
-
water and sewerage supply projects
-
heating and ventilation system projects
-
roofing
-
electrical engineering works
-
carcass houses
-
building houses
-
general building work
-
carcass house construction
-
general construction work
-
wallwork
-
architectural design
-
concrete works
-
constructive projects
-
road and site design
-
insulation of facades and roofs
-
measurement and amendment projects
-
replanning and reconstruction projects
-
finishing works
-
excavation work
-
facade work
-
formalisation of building permits
-
coordination of projects
-
formalisation of occupancy and use permits
-
construction supervision
-
architect
-
preparation of architectural projects
-
architect activities
- Credit score:
- Reliable
- Reputation score:
- 2,460
- Employees:
- –
- Forecast turnover (2026):
- 261,805 €
Installation of air conditioning systems
heating solutions, Installation, pipeline installation, heating solution, equipment, heat pumps, heat pump, Air Water Heat Pump, maintenance, radiant floor heating
-
equipment
-
air water heat pump
-
maintenance
-
heating system installation
-
heating system maintenance
-
air-water heat pump
-
air-water heat pumps
-
maintenance of heating systems
-
heating solutions
-
installation
-
pipeline installation
-
heating solution
-
heat pumps
-
heat pump
-
radiant floor heating
-
ground source heat pumps
-
underfloor heating
-
radiator heating
-
radiator installation
-
radiant floor heating systems
-
ground source heat pump installation
-
radiator heating installation
-
pipeline installation services
-
air water heat pump maintenance
-
heating solutions installation
-
heat pump equipment
-
underfloor heating solutions
-
daikin and midea repair services
-
full heating solutions
-
turnkey heating systems
- Credit score:
- Reliable
- Reputation score:
- 2,440
- Employees:
- 4
- Forecast turnover (2026):
- 581,665 €
Installation of sanitary equipment
major projects, washout, pressure and film systems, installation of water pipelines, water quality, Design, maintenance, Installation, heating solutions, Construction
-
system maintenance
-
water supply
-
sewer systems
-
design
-
water quality
-
installation of water pipelines
-
construction
-
construction
-
heating piping
-
sanitary equipment
-
environmental sustainability
-
major projects
-
heating solutions
-
installation
-
maintenance
-
pressure and film systems
-
washout
-
installation of sanitary equipment