safety first at Campbell

Safety and Compliance Taken Seriously

Certified Mechanical Services Provider to Ensure Safety, Compliance and Confidence

Committed to being your commercial plumbing contractor and HVAC services provider, we maintain up-to-date credentials so we can keep our workers safe and our customers in compliance.

Certificates and Safety

Campbell, Inc. takes our certifications seriously. We are committed to keeping our team safe, our talent up to date and our customers in compliance.  To do this, we keep our certifications and licenses current. Our team’s experience combined with our education and credentials propels our reputation of being the business that can solve any building systems problem!


Campbell is committed to providing exceptional quality service to our customers. In order to guarantee we are the leading provider of commercial HVAC services and commercial plumbing services, employees at Campbell Inc. hold the following licenses:

  • Michigan Boiler Installer License
  • Michigan Master Plumber License
  • Michigan Mechanical Contractor’s License
  • Michigan Plumbing Contractor License
  • Ohio Boiler Contractor Registration
  • Ohio HVAC License
  • Ohio Hydronics License
  • Ohio Plumbing License
  • Ohio Refrigeration License