About Thomas General Contractor
A Tucson contractor licensed for the three trades most jobs need — electrical, heating and cooling, and building.
Started with electrical. Built from there.
Thomas General Contractor is Cornelius Thomas's company, based in Tucson. It started as Thomas Electrical Maintenance — electrical service, maintenance, and fan repair and installation — and grew into a contractor licensed for the whole job.
In 2023 the company earned its Arizona electrical contractor's license. In 2026 it added a general building license and an air conditioning and refrigeration license. Today, one company can wire it, cool it and build it.
Why three licenses matter
Most projects touch more than one trade. A kitchen remodel needs framing, new circuits and sometimes more cooling. An AC that won't start is often an electrical problem. When one licensed contractor owns every part of the job, nothing falls between the cracks — and there's one person to call.
Owner-licensed
Cornelius holds every license himself as the qualifying party. That means the person who gives you the estimate is the person accountable for the work — not a salesman, not a subcontractor.
- Legal name
- Thomas Electrical Maintenance LLC
- Doing business as
- Thomas General Contractor · Thomas Heating & Cooling
- Owner
- Cornelius C. Thomas — member & qualifying party
- Electrical
- AZ ROC #344450 · CR-11 · Specialty Dual · since 2023
- Building
- AZ ROC #367310 · KB-1 Dual Building Contractor · since 2026
- Heating & cooling
- AZ ROC #368807 · CR-39 · Specialty Dual · since 2026
- Complaints
- 0 on the ROC record
- Coverage
- Licensed, bonded & insured
- Based in
- Tucson, Arizona
One Call For The Whole Job.
Hiring one licensed contractor for the electrical, the AC and the building work means one schedule, one price and one person accountable.
Call Cornelius →Licensed Electrician
Arizona ROC #344450, Specialty Dual CR-11 Electrical — homes and commercial.
Licensed General Contractor
Arizona ROC #367310, KB-1 Dual Building Contractor — remodels, additions and building work.
Licensed For Heating & Cooling
Arizona ROC #368807, Specialty Dual CR-39 Air Conditioning and Refrigeration.
Zero Complaints
Not one complaint on the record across all three licenses. Look them up.
Three licenses. One contractor. Wired, cooled and built right.
About Us FAQ
Who owns Thomas General Contractor?
Cornelius Thomas. He is the member and qualifying party on all three Arizona contractor's licenses, so he is personally accountable for the work.
Is Thomas General Contractor the same company as Thomas Electrical Maintenance?
Yes. Thomas Electrical Maintenance LLC is the legal company name; Thomas General Contractor and Thomas Heating & Cooling are its registered business names.
Are you bonded and insured?
Yes — Thomas General Contractor is licensed, bonded and insured. Arizona requires a contractor's bond to hold an active ROC license, and all three licenses are active.
¿Hablan español?
Sí. Llámenos al (520) 402-7932.
One contractor. One call.
Electrical, heating and cooling or building — tell us about the job.