- Credit score:
- Reliable
- Reputation score:
- 43,490
- Employees:
- 254
- Forecast turnover (2025):
- 82,857,319 €
Durable, economical and smart solutions!
TREV-2 Group is a company focused on the construction and maintenance of infrastructure objects and facilities.
-
construction of gas installation
-
pressure equipment works
-
production and installation of asphalt
-
building equipment rental
-
sanitation
-
installation
-
installation work
-
maintenance of public roads
-
audit of construction works
-
expert assessment of building design documentation
-
construction research
-
making of traffic management projects
-
construction of roads and bridges
-
tea care
-
environmental construction
-
mining of mineral resources
-
traffic management
-
road project management
-
project management of bridges
-
car wash service
-
building
-
construction
-
design
-
construction work
-
maintenance
-
repair work
-
repair
-
rebuilding
-
the warehouse
-
noise barrier walls
- Credit score:
- Reliable
- Reputation score:
- 9,110
- Employees:
- 46
- Forecast turnover (2025):
- 3,519,709 €
Installation of sanitary equipment
sanitation, heat pumps installation, water supply and sanitation works, Design, Installation, Design and installation, private houses, santechnical works, sprinkler, sewer works
-
complete solutions of the outer shell of the building
-
ventilation work
-
installation of heat pumps and air conditioners
-
installation
-
santechnical works
-
installation of sanitary equipment
-
fire safety
-
construction
-
cooling and air conditioning systems, heat pumps
-
inspection and maintenance
-
design, construction and maintenance of fire safety
-
outsourcing
-
metal cladding
-
sprinkler and firefighting
-
water supply and sanitation works
-
systems design
-
heat pumps installation
-
water supply and sanitation works
-
design
-
design and installation
-
private houses
-
sanitation
-
tallinn
-
maintenance
-
sewer works
-
sprinkler
- Credit score:
- Reliable
- Reputation score:
- 6,950
- Employees:
- 48
- Forecast turnover (2025):
- 5,423,337 €
Land improvement works
demolition services, inspection of water bodies, treatment of waste, Building, Construction, Construction work, Installation, water tank, road and site construction work, construction of sewerage lines
-
soil work services
-
repair of roads
-
sanitation services
-
building
-
construction
-
construction work
-
installation
-
repair
-
road and site construction work
-
road construction
-
forest drainage
-
external sewerage construction
-
earth and excavation works
-
construction of water and sewerage lines
-
land improvement
-
forest harvesting
-
production of peat
-
water services
-
exhaust control
-
exhaust analysis
-
inspection of water bodies
-
treatment of waste
-
demolition services
-
fragmentation construction
-
construction of sewerage lines
-
water tank
-
earthworks services
-
land improvement works
- Credit score:
- Reliable
- Reputation score:
- 6,560
- Employees:
- 42
- Forecast turnover (2025):
- 2,718,449 €
Installation of sanitary equipment
Diagnostics of technical systems, Tallinn, tube assistance, pressure washing, leakage studies, excavation work, apartment associations, electrical works, sanitary technical works, emergency and maintenance contracts
-
audit of construction works
-
construction of gas installation
-
sanitary technical works
-
excavation work
-
installation of sanitary equipment
-
construction and real estate
-
general and home services
-
construction
-
construction
-
expert assessment of building design documentation
-
gas works
-
diagnostics of technical systems
-
emergency and maintenance contracts
-
electrical works
-
apartment associations
-
leakage studies
-
pressure washing
-
tube assistance
-
tallinn
- Credit score:
- Reliable
- Reputation score:
- 4,990
- Employees:
- 16
- Forecast turnover (2025):
- 1,506,629 €
Other non-specialised retail sale
outdoor doors and garage doors, finishing materials, roofing supplies, sun protection and cladding systems, security stories, Interior goods, thermal insulation materials, Automation, Accessories, house front doors
-
santechnical works
-
excavation work
-
renovation work
-
construction of trails
-
inspection
-
installation
-
installation of carpeting
-
outdoor doors and garage doors
-
finishing materials
-
roofing supplies
-
sun protection and cladding systems
-
security stories
-
interior goods
-
thermal insulation materials
-
automation
-
accessories
-
house front doors
-
apartment entrance doors
-
garden house doors
-
floor tiles
-
wall panels
-
decorative stones
-
roof solutions
-
roller doors
-
security bars
-
barrier trees
-
e-shop
-
building
-
garden construction
-
finishing works
- Credit score:
- Reliable
- Reputation score:
- 4,950
- Employees:
- 6
- Forecast turnover (2025):
- 3,729,910 €
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
-
excavation work
-
sanitary equipment
-
sanitary equipment installation
-
installation of radiant floor heating
-
installation of soil collector
-
ventilation
-
bosch climate engineering
-
city climate
-
heating solution
-
balancing the heating system
-
ground heat
-
ground source heat pump
-
smart management
-
solar heating
-
underfloor heating
-
the heat center
-
heat pump maintenance
-
thermia
-
air to air heat pump
-
heat pumps
-
air to water heat pump
-
sewerage
-
installation
-
floor pouring
-
question
-
ground source heat pumps
-
radiator heating
-
cooling
-
indoor climate
-
warm node
- Credit score:
- Reliable
- Reputation score:
- 4,900
- Employees:
- 5
- Forecast turnover (2025):
- 326,239 €
Finishing of buildings
metal construction painting, bathroom and toilet tiling, installation of doors, furniture assembly, elimination of water damage, bathroom renovation, tiling and jointing, waterproofing, tiling work, foundation construction
-
installation of doors
-
installation of sanitary ware
-
installation of windows
-
sanitary equipment
-
sanitary engineering
-
installation of sanitary equipment
-
metal construction painting
-
bathroom and toilet tiling
-
furniture assembly
-
elimination of water damage
-
bathroom renovation
-
tiling and jointing
-
waterproofing
-
tiling work
-
foundation construction
-
plumbing services
-
electrical works and floor heating installation
-
pouring and tiling of stairs
-
demolition of concrete floors
-
sealing of concrete surfaces and facades
-
sealing of glazing and cladding
-
painting, painting, putting up
-
interior decoration of private houses
-
interior finishing of apartments
-
100% overhaul
-
facade insulation and renovation
-
sauna construction and led strip installation
-
terrace building
-
installation and repair of gardens
-
gypsum works
- Credit score:
- Reliable
- Reputation score:
- 3,840
- Employees:
- 6
- Forecast turnover (2025):
- 1,020,838 €
Installation of sanitary equipment
balancing heating systems, heating solutions, Plumbing and fittings, Water Systems, Washing of heating systems, Construction, Construction, plumbing services, Water floor heating, Replacement of shutters
-
sanitary equipment installation
-
sanitary equipment
-
preparatory work
-
installation of water floor heating
-
installation of sanitary equipment
-
construction and real estate
-
heating solutions
-
plumbing and fittings
-
water systems
-
general and home services
-
construction
-
construction
-
plumbing services
-
water floor heating
-
replacement of shutters
-
sewer construction
-
washing of heating systems
-
balancing the heating system
-
tube replacement
-
repair and cleaning
-
elimination of blockages
-
heating system construction
-
renovation and maintenance
-
shift of trousers
-
sewerage
-
installation
-
floor
-
renovation
-
sewer system
-
repair
- Credit score:
- Reliable
- Reputation score:
- 3,740
- Employees:
- 13
- Forecast turnover (2025):
- 1,450,313 €
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.
-
equipment and machinery
-
thermal equipment
-
water pipeline installation
-
thermal equipment installation
-
installation of water pipeline
-
installation of sanitary equipment
-
energy and mineral resources
-
heating
-
heating solutions
-
construction
-
construction
-
boiler houses
-
central heating systems
-
boiler house construction
-
ground heating
-
heat node solution
-
sewer
-
water supply
-
diamond drilling
-
heat nodes
-
sewerage
-
eco-friendly ground heating
-
ground source heat pump installation
-
renewable heating
-
sewer construction and maintenance
-
environmentally friendly water solutions
-
industrial water services
-
custom machine solutions
-
construction services
-
construction of boiler house
- Credit score:
- Borderline
- Reputation score:
- 3,730
- Employees:
- 19
- Forecast turnover (2025):
- 2,149,175 €
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:
- Reliable
- Reputation score:
- 3,690
- Employees:
- 6
- Forecast turnover (2025):
- 697,420 €
Building construction works
exterior construction works, stain mounting on balcony railings, repair works, Construction, Construction, building and renovation, General construction, Roofing, foundation, renovation
-
foundation
-
indoor building work
-
exterior construction works
-
finishing
-
masonry services
-
concrete works
-
insulation and insulation
-
floor coverings
-
ceiling installation
-
santechnical works
-
installation of floor coverings
-
installation of safety measures
-
repair
-
maintenance
-
concrete works
-
installation of tiles
-
installation of epoxy coating
-
construction and real estate
-
construction and real estate services
-
building construction firms
-
construction
-
construction
-
building and renovation
-
general construction
-
roofing
-
renovation
-
repair works
-
building projects
-
projects
-
roof construction
- Credit score:
- Reliable
- Reputation score:
- 3,430
- Employees:
- 7
- Forecast turnover (2025):
- 630,232 €
Other special construction work
sanitary works, property developments, Construction work, repair works, estate management, administration of construction works, planning work, building materials supply, preparation of building design documentation, management of economic activities
-
planning work
-
roof installation
-
sanitary technical works
-
installation
-
repair
-
service
-
sanitary works
-
construction and real estate
-
construction and real estate services
-
construction work
-
repair works
-
estate management
-
administration of construction works
-
building materials supply
-
preparation of building design documentation
-
management of economic activities
-
real estate investment
-
property developments
-
construction and remodeling
-
other special construction works
-
construction of new buildings
-
renovation
-
facade repair
-
interior finishing
-
electrical works
-
construction of the foundation
-
bathroom remodeling
-
kitchen renovation
-
floor coverings update
-
facade restoration
- Credit score:
- Reliable
- Reputation score:
- 3,290
- Employees:
- 4
- Forecast turnover (2025):
- 1,553,080 €
Construction of sewer lines
plumbing installation, water infrastructure installation, plumbing maintenance services, custom plumbing solutions, advanced pipework systems, installation of heating system, installation of sewage systems, system maintenance, installation of equipment, repair of leaks
-
santehnical works
-
duct system installations
-
heating system installation
-
installation of heating system
-
installation of sewage systems
-
sanitary works
-
repair of leaks
-
installation of equipment
-
plumbing installation
-
full solutions for water and duct systems
-
pipework
-
pipeline installation services
-
industrial pipework services
-
residential plumbing services
-
professional santehnical works
-
water system full solutions
-
pipework specialists
-
commercial plumbing solutions
-
plumbing system design
-
water infrastructure installation
-
plumbing maintenance services
-
custom plumbing solutions
-
advanced pipework systems
-
plumbing installation
-
full solutions for water and air systems
-
system maintenance
-
emergency services
-
construction of sewer lines
- Credit score:
- Reliable
- Reputation score:
- 3,270
- Employees:
- 6
- Forecast turnover (2025):
- 243,453 €
Building construction works
Building, Construction, Installation, Painting, videos, recording, Materials, Processing, wallpaper, security
-
security
-
facade work
-
renovation
-
repair work
-
san technical works
-
construction of private houses
-
construction of gypsum ceilings
-
renovation
-
installation of windows and doors
-
window and door installation
-
building
-
construction
-
installation
-
painting
-
videos
-
recording
-
materials
-
processing
-
wallpaper
-
collection
-
suppliers
-
for children
-
roofing
-
exchange
-
terrace building
-
interior finishing works
-
painting works
-
finishing
-
tiling
-
finishing works
- Credit score:
- Borderline
- Reputation score:
- 3,230
- Employees:
- 5
- Forecast turnover (2025):
- 1,942,513 €
A&O HOLDING AVALEHT | A&O Holding
Construction, Construction, heating solutions, administrative service, data security, Maintenance service, emergency repair, sanitary technical works, bucket and excavation work, cleaning service
-
sanitary technical works
-
sewer installation work
-
installation work
-
installation of septic tanks and tanks
-
installation of sanitary equipment
-
construction
-
construction
-
heating solutions
-
administrative service
-
data security
-
maintenance service
-
emergency repair
-
bucket and excavation work
-
cleaning service
-
repair service
-
security service
-
energy management
-
accounting
-
technosystem emergency repairs
-
elimination of sewerage blockages
-
milling work for in-house ducts
-
detection of leaks in various pipelines
-
elimination of blockages
-
milling works for ducts
-
detection of pipe leaks
-
radiators
-
air to water heat pumps
-
septics and tanks
-
consulting service
-
fast and high-quality installation
- Credit score:
- Reliable
- Reputation score:
- 3,220
- Employees:
- 3
- Forecast turnover (2025):
- 268,517 €
Finishing of buildings
full renovation, building and finishing materials, Sealing windows, interior finishing of windows, custom home construction, Repair of apartments, Flooring work, opening fillings, facades, timber structures
-
repair of apartments
-
sanitary technical works
-
installation of aperture fillers of different materials
-
installation
-
maintenance
-
installation of aperture fillers
-
repair
-
construction and real estate
-
building and finishing materials
-
sealing windows
-
interior finishing of windows
-
custom home construction
-
flooring work
-
opening fillings
-
facades
-
timber structures
-
storage work
-
roofs
-
foundations
-
warm-up
-
wooden facades
-
plaster facades
-
restoration of old buildings
-
electrical works
-
tiling
-
ventilation work
-
maintenance and repair
-
renovation
-
facade work
-
construction and finishing works
- Credit score:
- Reliable
- Reputation score:
- 3,200
- Employees:
- 4
- Forecast turnover (2025):
- 303,337 €
Installation of air conditioning systems
post-installation maintenance, heating system installation, Construction, fire safety, Construction, Inspection and maintenance, Design, construction and maintenance of fire safety, heating solutions, drainage pipelines construction, cooling systems installation
-
construction
-
construction
-
sanitary engineering and installation
-
installation
-
sanitary equipment
-
construction work
-
sanitary equipment installation
-
installation work
-
construction and real estate
-
general and home services
-
fire safety
-
inspection and maintenance
-
design, construction and maintenance of fire safety
-
heating solutions
-
construction and real estate services
-
cooling systems installation
-
drainage pipelines construction
-
heating system installation
-
water and sewage system construction
-
sprinkler system installation
-
general home services
-
fire safety design and maintenance
-
firefighting water systems
-
septic tanks and biopurifiers installation
-
modernization of old boiler rooms
-
heating system maintenance and repair
-
general and home services
-
inspection and maintenance
-
fire safety design, construction and maintenance
-
system construction
- Credit score:
- Reliable
- Reputation score:
- 3,180
- Employees:
- –
- Forecast turnover (2025):
- 109,366 €
Flowing with Quality, Sealed with Trust
We specialize in a comprehensive array of plumbing services, from urgent repairs to routine maintenance, ensuring efficient water systems and heating for homes and businesses.
-
installation of sink
-
installation of faucets
-
installation of toilet
-
repair work
-
repair works
-
installation of sanitary equipment
-
elimination of sewerage blockages
-
radiator installation
-
radiators replacement
-
installation and exchange of water meters
-
boiler cleaning
-
boiler replacement
-
boiler installation
-
installation of water filters
-
exchange of water filters
-
sink installation
-
replacement of mixers and sinks
-
exchange of faucets and taps
-
installation of sewage pipes
-
repair of sewage pipes
-
santechnical works
-
water meter change
-
sealing of water meter
-
radiator washout
-
sewer pipes
-
plumbers
-
shower installation
-
emergency challenges
-
dishwasher installation
-
elimination of water system accidents
- Credit score:
- Reliable
- Reputation score:
- 3,140
- Employees:
- 9
- Forecast turnover (2025):
- 963,038 €
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
-
design of heating systems
-
special works
-
sanitation
-
maintenance
-
ventilation work
-
maintenance work
-
installation of electrical equipment
-
construction and real estate
-
heating solutions
-
ventilation and cooling
-
water supply and sewerage
-
energy calculation
-
pipe wash
-
electrical works
-
renovation
-
rebuilding
-
modernhome
-
solutions
-
cooling
-
cooling systems
-
sweden
-
sewer systems
-
sewerage
-
electricity
-
electrical systems
-
water supply
-
project manager
-
smart house solutions
-
heating solution
-
ventilation solutions
- Credit score:
- Borderline
- Reputation score:
- 3,090
- Employees:
- 4
- Forecast turnover (2025):
- 176,196 €
Installation of sanitary equipment
heating, heating solutions, Equipment and machinery, cooling and air conditioning systems, heat pumps, Biodom Pellet Boilers, Boilers, Construction of sewerage systems, Elimination of sewerage blockages, Repair of heating systems, radiant floor heating systems
-
installation of sanitary equipment
-
sanitary technical works
-
installation of sanitary equipment
-
installation of equipment
-
installation of sanitary equipment
-
heating
-
heating solutions
-
equipment and machinery
-
cooling and air conditioning systems, heat pumps
-
biodom pellet boilers
-
boilers
-
construction of sewerage systems
-
elimination of sewerage blockages
-
repair of heating systems
-
radiant floor heating systems
-
beril
-
construction and renovation of water and sewerage systems
-
construction of thermal assemblies
-
installation of radiant floor heating
-
maintenance and emergency services
-
sale and installation of ion boilers, solid heating boilers and electromagnetic boilers
-
ion boilers galan
-
ferrol heaters
-
solid heating boilers econotherm
-
heat pumps clitech
-
biodom pellets
-
kamen boilers
-
technical maintenance
-
ion boilers
-
heating equipment