Herc, (formerly Hertz) Equipment rentals is a brief walk down Miraloma Street and equipment can usually be driven back to the studio , which eliminates costly delivery charges. Nice people to deal with too.
United Rentals (Formerly Neff Equipment rentals) is just a few doors down Red Gum street and equipment can usually be driven to the studio , which eliminates costly delivery charges. Will require proof of insurance for all equipment rentals
Area 51 Electric handle most of the generator rentals. They know the industry https://area51power.com/
Penske Truck Rental is a few miles away in Anaheim on StateCollege Blvd. U-haul and others are much closer but our experience has been that Penske quality and maintainence is worth the trip. Also available at the local Home Depots.
There are 4 Home Depot stores in the area,1 in Fullerton, 2 in Orange and the Home Depot Superstore in Anaheim Hills.