TRANSPETROL, a.s. (Inc.), Bratislava - Energy audits of operating buildings, complexes and technology of oil distribution 
SWS spol. s.r.o. (Ltd.), Vojany - Energy audit of operating buildings and technology of oil distribution 
STEFE BB a.s. (Inc.), Banská Bystrica - Energy audit of operating buildings, production and distribution of heat 
STEFE ECB s.r.o. (Ltd.), Banská Bystrica - Energy audit of operating buildings, production and distribution of heat  
STEFE RS s.r.o. (Ltd.), Rimavská Sobota - Energy audit of operating buildings, production and distribution of heat  
STEFE RV s.r.o. (Ltd), Rožňava - Energy audit of operating buildings, production and distribution of heat 
Slovenská Elektrizačná Prenosová Sústava, a.s. (Inc.), Bratislava - Energy audits of operating buildings and complexes
Dopravný podnik Bratislava, a.s. (Inc.), Bratislava - complex energy audit - Energy audits of operating buildings and complexes, converter stations
ZENTIVA, a.s. (Inc.), Hlohovec - complex energy audit
SAPA Profily a.s. (Inc.) Žiar nad Hronom - the production of components made of Al composites - complex energy audit
ZSNP FOUNDRY a.s. (Inc.), Žiar nad Hronom - the production of components made of Al composites - complex energy audit
VÝCHODOSLOVENSKÉ STAVEBNÉ HMOTY, a.s. (Inc.) - cement mill & further processing - complex energy audit
BRATISLAVSKÁ VODÁRENSKÁ SPOLOČNOSŤ, a.s., (Inc.) Bratislava - water delivery and managent company - The evaluation of operational buildings' energy demand in the possession of the company
BRATISLAVSKÁ VODÁRENSKÁ SPOLOČNOSŤ, a.s., (Inc.) Bratislava - water delivery and managent company - energy audit of pump stations and waste water cleaning facilities - complex energy audit
VEOLIA Stredoslovenská vodárenská prevádzková spoločnosť, a.s. (Inc.) - water delivery and management company - complex energy audit covering totally 50 buildings
BIOTIKA, a.s., Slovenská Ľupča - complex energy audit
TATRAVAGÓNKA, a.s. Poprad - wagon producer - objective energy audit
SLOVMAG, a.s. Lubeník - magnesite mining & processing company - complex energy audit
Považská cementáreň, a.s., Ladce - complex energy audit
SHP Harmanec, a.s., Harmanec - complex energy audit
Papierne slavošovce, a.s., Slavošovce - complex energy audit
PPC Čab, a.s. (Inc.) - the production of ceramic insulators - complex energy audit
STEFE, a.s. (Inc.) - centralised heat production & delivery systems in Banská Bystrica, Zvolen, Krupina, Veľký Krtíš, Rimavská Sobota, Revúca, Rožňava and Martin - objective energy audit
SMZ, a.s. (Inc.) - Slovenské magnezitové závody, Jelšava - magnesite mining & processing company - complex energy audit
AGRO TAMI, Nitra - dairy production – complex energy audit
SCA Hygiene Products Slovakia, s.r.o., Gemerská Hôrka - complex energy audit
NOVOKER, a.s. (Inc.), Lučenec - complex energy audit
Confal, a.s. (Inc.), Slovenská Ľupča – aluminium waste recycling company utilising pouring process - complex energy audit
Tlačiarne BB, Banská Bystrica - printing house - complex energy audit
STD, a.s. (Inc.), Poprad - products from EPS polystyrene - protective cushions for packaging - complex energy audit
St. Nicolaus, a.s. (Inc.), Liptovský Mikuláš - liquor production - complex energy audit
MEDICAL GLASS, a.s. (Inc.), Bratislava – the production of glass enclosures for pharmaceutical industry - complex energy audit
VÝCHODOČESKÁ ENERGETIKA, a.s. (Inc.), - energy company - complex energy audit
XAVEROV a.s. (Inc.), Praha - poultry processing company - complex energy audit
KARLOVARSKÁ TEPLÁRENSKÁ a.s. (Inc.), Karlovy Vary - heat production & delivery company - complex energy audit
Sklo BOHEMIA a.s. (Inc.), Světlá nad Sázavou - glass processing company - complex energy audit
SKLÁRNY KAVALIER a.s. (Inc.), Sázava - glass processing company - complex energy audit
BOHEMIA a.s. (Inc.), Poděbrady - glass processing company - complex energy audit
GLAVERBELCzech a.s. (Inc.), member of Glaverbel, branch located in Teplice - complex energy audit
Dalkia a.s. (Inc.) – heat production & delivery company - objective energy audit of heat sources & delivery systems
WIENERBERGER a.s. (Inc.), Czech Republic - brick factory - complex energy audit of 11 branches
P-D Refractories CZ, a.s. (Inc.), Velké Opatovice - complex energy audit
KABLO ELEKTRO, a.s. (Inc.) Vrchlabí - complex energy audit
BEHR Czech s.r.o. (Ltd.), Mnichovo Hradiště - complex energy audit
Cukrovary TTD a.s. (inc.),  - sugar factory - complex energy audit for branches in České Měziříčí and Dobrovice
AVIA ASHOK LEYLAND MOTORS, s.r.o. (Ltd.), Praha Letňany - truck producer - objective energy audit
DALKIA Česká republika, a.s. (Inc.) - heat production & delivery company - objective energy audit of heat production & delivery systems in Central Morava region and Ústí Nad Labem region
UNICORN-ESK spol.s r.o. (Ltd.), Tornaľa - objective energy audit
STROJSTAV NOVÉ MESTO NAD VÁHOM a.s. (Inc.) – engineering company - complex energy audit
SLOVARM, a.s. (Inc.), branch in Myjava – energy audit of induction furnaces
Harmanec – Kuvert, spol. s r.o. (Ltd.), branch in Brezno - complex energy audit
EKOLTECH Fiľakovo - the production of furniture for IKEA - complex energy audit
Brick factory in Štěrboholy, Praha - complex energy audit
Heat plant TEVEX a.s. (Inc.), Černožice nad Labem - complex energy audit
Komárňanské tlačiarne spol. s r.o. (Ltd.), Komárno - printing house - objective energy audit
AGRO CS, Veľké Dravce - organic fertiliser production company - complex energy audit
TRIO TATRA, Košice - transportation company - complex energy audit

Renewable sources

Photovoltaic power plant

TEMPLATE SLOVAKIA s.r.o. (Ltd.), Kameničná 1MW – objective energy audit
ARISUN s.r.o. (Ltd.), Strážske 1MW – objective energy audit
Triskata s.r.o. (Ltd.), Strážske 1MW – objective energy audit
Lesna Development s.r.o. (Ltd.), Abrahámovce 1MW – objective energy audit
1. FVE Humenné s.r.o. (Ltd.), Humenné 1 MW – úobjective energy audit
2. FVE Humenné s.r.o. (Ltd.), Humenné 1MW – objective energy audit
ASTOM s.r.o. (Ltd.), Štrkovec 1MW – objective energy audit
NAS Trade s.r.o. (Ltd.) - FVE Tornaľa 1MW – objective energy audit
NAS Trade s.r.o. (Ltd.)- FVE Včelince 1MW – objective energy audit
FVE Kolárovo I. a II. 2,6 MW – objective energy audit

Biogas station

ŠK AQUA s.r.o. (Ltd.), Turčiankse Teplice – objective energy audit
Bioplyn Bierovce s.r.o. (Ltd.), Bierovce – objective energy audit
Bioplyn Horovce s.r.o. (Ltd.), Horovce – objective energy audit
Bioplyn Horovce 3 s.r.o. (Ltd.), Horovce – objective energy audit
Danubian Biogas s.r.o. (Ltd.), Moldava nad Bodvou – objective energy audit
ELBIOGAS s.r.o. (Ltd.), Gabčíkovo – objective energy audit
ASTOM BPS s.r.o. (Ltd.), Štrkovec – objective energy audit
BIONOVES s.r.o. (Ltd.), Slepčany – objective energy audit
Gas PROGRES I. spol. s.r.o. (Ltd.), Slepčany – objective energy audit
AGRO EDEMI s.r.o. (Ltd.), Komárovce – objective energy audit
AFG s.r.o.(Ltd.), Turčianske Teplice - objective energy audit
BPS Horný Jatov s.r.o. - objective energy audit

Studies

SLOVNAFT, a.s. (Inc.) - The study of waste heat utilisation from oil processing technology for electricity production
Feasibility study -  The utilisation of geothermal heat for electricity production in Košická kotlina (fold)
Thermal Spa in Trenčianske Teplice -  The study of geothermal heat utilisation for heat supply within the complex (mainly for heating purposes)
Confal, a.s. (Inc.) -  The study of waste heat utilisation from aluminium scrap processing furnace for space heating and DHW production
Biodet Sereď –  complex biomass processing, alcohol production and gasification - objective energy audit
Drevoprojekt Kolárovo – Combined Heat & power implementation and a photovoltaic power plant implementation - objective energy audit