| Business | Phone |
| Commuteride 318 E 37th St, Garden City 83714 | (208) 345-7665 |
| Ada County Engineering 3775 Adams St, Garden City 83714 | (208) 387-6225 |
| Ada County Government 9115 W Chinden Blvd, Garden City 83714 | (208) 282-7208 |
| Ada County Highway District 3775 Adams St, Garden City 83714 | (208) 387-6100 |
| Ada County Hwy Dist Accounting 3775 Adams St, Garden City 83714 | (208) 387-6120 |
| Ada County Hwy Dist-Mntnc 3775 Adams St, Garden City 83714 | (208) 387-6325 |
| Ada County Paramedics Adm Ofc 5870 Glenwood St, Garden City 83714 | (208) 287-2962 |
| Ada County Traffic Engineering 3775 Adams St, Garden City 83714 | (208) 387-6140 |
| Ada Signal & Sign Repair 3700 Adams St, Garden City 83714 | (208) 345-7915 |
| Hidden Hollow Landfill 10300 Seamans Gulch Rd, Garden City 83714 | (208) 853-1296 |