computer software used for scheduling and dispatching technicians, inventory control, bookkeeping, bidding, hours worked, accounts payable and accounts receivable, financial statements, sales orders, and customer lists in the operation and management of plumbing, construction, and building contractor businesses

Plumbing and gas and water installation; Plumbing contractor services; Plumbing services; Drain and sewer cleaning and rootering services; Installation and replacement service for water heaters; Installation of plumbing; Repair or maintenance of gas water heaters

Plumbing and gas and water installation; Plumbing contractor services; Plumbing services; Drain and sewer cleaning and rootering services; Installation and replacement service for water heaters; Installation of plumbing; Repair or maintenance of gas water heaters