Contract and retail sales, installation, and maintenance services, namely, sales, installation, and maintenance of architectural doors, door frames, door hardware, locks, hinges, closers, access control products, bathroom partitions, fire extinguishers and cabinets, and bathroom accessories; Inspection services, namely, fabrication of commercial doors and door frames; Consulting services, namely, consulting in the areas of safety, fabrication, installation, and maintenance of commercial doors, door frames, and hardware.