The main clients of Ingstroyengineering EOOD are:
- Ministry of Regional Development and Public Works
- Ministry of Agriculture and Food
- Ministry of Environment and Water
- Ministry of Labor and Social Policy, UNDP roject
- "Roads" Agency
- Municipality of Varna
- Municipality of Valchi Dol
- Municipality of Suvorovo
- Municipality of Devnya
- Municipality of Nessebar
- Municipality of Avren
- Sofia Municipality
- Bulgarian Ports Infrastructure Company Sofia
- Regional Initiatives Fund
- "Beautiful Bulgaria" Project
- Projects executed under SAPARD, ISPA AND PHARE programs
- "OMV Bulgaria"
- "Metro Cash & Carry Bulgaria EOOD and other private investors.
