| 910.03 Building Cleaning, Exterior |
| 928.58 Parts Washing Services |
| 962.21 Cleaning Services, Steam and Pressure |
| 988.07 Cleaning of Amusement Areas, Exposition Centers, Grounds, Parks, Picnic Areas, Rest Areas, Etc. |
| 988.08 Cleaning of Roadside Park (Rest Stop) Areas Including Privy Vaults, Septic Tanks and Trash Cans |