Licenses, Accreditations, Associations

Nieman Plumbing State and Local Certifications

Nieman Plumbing is licensed, certified and fully insured in all the markets we serve, so you’re assured of plumbers on the job who’ve got the credentials, and are qualified to handle any plumbing challenge. Our plumbing technicians are fully trained above and beyond the minimum requirements of the respective states we serve.

Licensed Master Plumber

State: Ohio, Indiana, Kentucky
County: Hamilton, Butler, Clermont, Warren, Montgomery, Greene
City: Cincinnati, Fairfield, Hamilton, Kettering, Miamisburg, Middletown, Norwood, Reading St. Bernard

Ohio Certified Hydronics Contractor

Ohio Licensed & Certified Fire Suppression Contractor

Sprinkler/Standpipe Systems
Fire Pumps
Fire Alarms/Detection
Portable Fire Extinguishers
Engineered Extinguishers
Pre Engineered Extinguishers

Ohio Boiler Certification

Ohio Department of Health- Private Water Systems Contractor

Sewer and Water Laterals – Registered Installer

Warren County
Butler County
Clermont County

Septic Installer and Service Provider

Ohio: Hamilton, Butler, Warren, Clermont counties
Indiana: Dearborn County

Cincinnati's Plumber