What We're
All About.


The MAAKIL Group provides high quality, certified civil engineering and construction
inspection services, construction management, and testing – all in the most
cost-effective way possible.

What We're
All About.


The MAAKIL Group provides high quality, certified civil engineering and construction
inspection services, construction management, and testing – all in the most
cost-effective way possible.

We are engineering, construction and testing experts.

Our History.


Since 2015, municipalities, Metroparks, developers, contractors, power companies, and industrial companies across Ohio and Michigan, as well as the Army Core of Engineers and Local Public Agencies (LPAs), have trusted the Maakil Group to provide expert civil engineering, construction management, testing and support services. Founder Jeffrey A. Mandell, P.E., CPESC has dedicated over 20 years of his career to inspecting, managing and surveying construction projects all across the Midwest. His team of proven engineers and inspectors are fully trained and certified to provide industry-leading construction project management and post-project inspection services. With the Maakil Group, you will be confident that your project will be done the right way, in the most cost-effective manner, and you will have fast access to the expert – all the way through.

Our History.


Since 2015, municipalities, Metroparks, developers, contractors, power companies, and industrial companies across Ohio and Michigan, as well as the Army Core of Engineers and Local Public Agencies (LPAs), have trusted the Maakil Group to provide expert civil engineering, construction management, testing and support services. Founder Jeffrey A. Mandell, P.E., CPESC has dedicated over 20 years of his career to inspecting, managing and surveying construction projects all across the Midwest. His team of proven engineers and inspectors are fully trained and certified to provide industry-leading construction project management and post-project inspection services.
With the Maakil Group, you will be confident that your project will be done the right way, in the most cost-effective manner, and you will have fast access to the expert – all the way through.

ODOT & Cost Accounting System Certified.


The Maakil Group is an ODOT Certified Construction Management Firm and is Cost Accounting System certified. In addition, we are an ODOT Prequalified Construction Inspector for:

  • Project Inspector
  • Project Structure Inspector
  • Traffic Signal and Lighting Inspector
  • Soils and Aggregate Inspector
  • Construction Engineer Level 1 / Construction Manager
  • Construction Engineer Level 2
  • Certified Professional in Erosion and Sediment Control (CPESC)
  • We do things by the book

ODOT & Cost Accounting System Certified.


The Maakil Group is an ODOT Certified Construction Management Firm and is Cost Accounting System certified. In addition, we are an ODOT Prequalified Construction Inspector for:

  • Project Inspector
  • Project Structure Inspector
  • Traffic Signal and Lighting Inspector
  • Soils and Aggregate Inspector
  • Construction Engineer Level 1 / Construction Manager
  • Construction Engineer Level 2
  • Certified Professional in Erosion and Sediment Control (CPESC)
  • We do things by the book

Meet the team.

JEFFREY A. MANDELL

P.E., CPESC Owner

BENARD PRENGER

Project Engineer

THIA LIGHT

Project Manager, E.I.

Make theRight Call.

call maakil