- CTI is signatory to the NTD Boilermaker Agreement, National Maintenance Agreement with the United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry, Instrument Technician Agreement, and National Maintenance Agreement with the Laborer’s International Union.
State of Illinois – Professional Design Firm/ Professional Engineering Firm
- License No. 184.006130
State of Illinois – Office of the State Fire Marshall
- Division of Boiler & Pressure Vessel Safety Certificate of Registration – No. 161