Our main office is located on Adgate Road in Lima, OH:

  • Take I-75 to the Breese Road exit (Exit 120). 
  • Follow Breese Road west to Shawnee Road. 
  • Turn right at the stoplight and continue down Shawnee Road to the 3rd stoplight, which will be Adgate Road.
  • Turn right onto Adgate, then right at 2633. IDC Engineering is located in the rear condo.