Office Hours
After Hours by Appointment
Contact me to schedule a virtual meeting
Insurance Products Offered
Auto, Homeowners, Condo, Renters, Personal Articles, Business, Life, Health, Pet
Other Products
Banking, Investment Services, Annuities
Would you like to create a personalized quote?
Gregg Fullerton
Office Hours
After Hours by Appointment
Address
Spearfish, SD 57783-3270
We are located between the Holiday Inn and Walmart, North of exit 14.
Office Hours
After Hours by Appointment
Contact me to schedule a virtual meeting
Insurance Products Offered
Auto, Homeowners, Condo, Renters, Personal Articles, Business, Life, Health, Pet
Other Products
Banking, Investment Services, Annuities
Would you like to create a personalized quote?
Office Info
Office Info
Office Hours
After Hours by Appointment
Contact me to schedule a virtual meeting
Location Details
- Parking: In front of building
- No steps/stairs
-
Phone
(605) 644-7102 -
Fax
(605) 791-4464
Languages
Insurance Products Offered
Auto, Homeowners, Condo, Renters, Personal Articles, Business, Life, Health, Pet
Other Products
Banking, Investment Services, Annuities
Office Info
Office Info
Office Hours
After Hours by Appointment
Contact me to schedule a virtual meeting
Location Details
- Parking: In front of building
- No steps/stairs
-
Phone
(605) 644-7102 -
Fax
(605) 791-4464
Languages
Simple Insights®
Are balance transfers worth it?
Are balance transfers worth it?
If you get balance transfer offers in the mail, should you apply? Read more to see if a balance transfer is good for you.
Safety tips when riding a motorcycle with a passenger
Safety tips when riding a motorcycle with a passenger
Riding double on a motorcycle requires extra caution. Do your research and know what’s different when it comes to safety when you have a passenger on your bike.
Car maintenance tasks you can do yourself
Car maintenance tasks you can do yourself
To combat auto repair costs that keep climbing, some auto maintenance can be done at home. Here are ones that are usually do-it-yourself.
Social Media
Viewing team member 1 of 10
Amber Underwood
Team Leader
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Manuel Gonzalez Diaz
Manuel was born and raised in Rapid City, South Dakota, and began his insurance career with Gregg Fullerton State Farm in late 2025. He is licensed in Auto, Home, Life and Health insurance, and is dedicated to helping individuals and families find the right protection for their needs. Outside the office, Manuel enjoys spending time with his family and friends, and when he’s not wrapped around his daughter’s finger, he loves playing video games and watching football. He also enjoys spending time in the beautiful Black Hills, exploring and relaxing in the place he calls home.
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Nicole Mahoney
Office Manager
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Kelly Bender
Account Representative
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Madyson DeVena
Assistant Office Manager
Madyson was born and raised in Scottsbluff, Nebraska. She has loved visiting the hills since she was little and decided to make her vacation destination her home in 2022. Madyson is licensed in Casualty, Property, Accident & Health or Sickness, Life Insurance. In Madyson’s free time she enjoys trail riding and lake days with her husband, visiting her family and working in her garden. Madyson’s main goal is to help customers understand their insurance and prepare for the unexpected.
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Miranda Feather
Proud boy mom of one, born in Minneapolis and raised in Rapid City. She loves spending time with her loved ones, and she’s happiest out on the course golfing, on the trail hiking, or exploring new places while traveling. New to the insurance world, she’s especially excited to connect with her community and build genuine relationships.
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AnnDee Schmidt
Account Manager
AnnDee was born and raised in Box Elder, SD. AnnDee started her career in insurance in 2024. AnnDee is licensed in Life, Health, Property and Casualty insurance. In her free time, she loves spending time with her family and closest friends, travelling and riding horses. AnnDee enjoys helping customers understand their insurance coverages while helping them to prepare for the unexpected in all stages of life.
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Hailee Chase
Hailee was born in Rapid City, SD and raised in a few different small towns in the Black Hills. In her free time, she loves being outdoors with her soon to be fiancé and her pup. She loves being creative and producing new ideas to create something beautiful. Hailee enjoys chatting with each customer and hopes to provide great service.
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Alex Zoller
Account Representative
Alex was born and raised in Rapid City South Dakota. Alex started his career in insurance in South Dakota in 2025. Alex is licensed in Property and Casualty, and Life and Health. In his free time, he likes golfing with family and friends and going on hikes when it’s not too hot. Alex loves going above and beyond to get customers the right insurance suited for them.
Viewing team member 10 of 10
Brett Glaser
Account Representative
Brett was born and raised in Glasgow, Montana. After a successful track and field career at Black Hills State University, Brett made the Black Hills home and stayed in Spearfish and began his career in insurance in early 2026. Brett is licensed in Property and Casualty insurance in South Dakota and Nebraska. He enjoys lifting, hunting, and fishing in his free time. Brett’s main goal is to make sure he can bring relief to his customers by reducing the everyday stressors of life, and by making sure his customers have the right coverage for their specific needs.
Spearfish Full Time
Spearfish Full Time