Most large pest control companies still use poison in their bait boxes. If you hire a pest control company, insist that they not use poison. Demanding poison-free solutions helps reduce the market for poison. And a WORD OF CAUTION: Please do *not* use glue or sticky traps. They are cruel and inhumane and also catch songbirds, small owls, and other small animals who often have to be euthanized as a result.
If you are using a traditional pest control company, tell them you do not want poison (or glue traps) used. If there is a big enough market for exclusion and humane solutions, the poison will eventually stop. Currently, the poison cycle equals profits for pest control.
These pest control companies aim for non-toxic solutions to problem wildlife:
Rat Exclusion Service (Sonoma County)
Humane Choice Wildlife Services
Santa Barbara to Calabasas and Malibu
https://www.humane-choice.com/
Pacific Coast Termite (they also do rodent exclusion!)
The Hit Men (SF Bay Area)
Sieg’s Abatement Service (SF Bay Area)
Rat Patrol (SF Bay Area)
Paradise Pest Control (Pacific Coast, Goleta to Malibu)
Humane Wildlife Solutions UK (Repel and deter problem wildlife; also offer global consulting by phone)
Outside California:
Seattle, Portland: Nature’s First Pest Control
Try googling “integrated pest management.” You can also try hiring a rat terrier company (such as JR Reed). This method is quick and poison free.