Contact Us

Bullnanza Stud Services | Where dreams are conceived

Office Phone: 405-377-8037
Texas Location
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Kolten and Sarah Thigpen

Phone: 830-426-1713​
Email: qbcattlecompany@yahoo.com
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Jason Holder and Kim McNatt​

Phone: 361-876-5886
Email: jasonLholder@hotmail.com

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Mari Calloway,
Lab Manager

Phone: 979-533-1878
Email: mcalloway15@yahoo.com
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Matt Campbell
Bull Collection Associate

Oklahoma Location
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Jimmy Redshirt, 
Morphologist

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Marick Passwaters,
Office Manager

Email: accts@bullnanza.com
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Hannah Jimenez,
Shipping Assistant

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Taylor Otis
Marketing & Promotions

Email: promo@bullnanza.com
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Madeline Pennington,
Bull Stud Coordinator

Email: service@bullnanza.com
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Dorian Green
Production Coordinator

Email: production@bullnanza.com
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Daniel Magerkurth
Bull Collection Associate

Sweetwater Location
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Angel Delao, 
Bull Collection Associate

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Pat Hanna,
Executive Assistant

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Marta Herrera,
Customer Service Representative

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Bullnanza Stud Services

Oklahoma Location:
405-377-8037
908 N. Prairie Road • Stillwater, OK 74075

Texas Location:
325-235-BULL
226 CR 118 • Sweetwater, TX 79556

Kolten Thigpen
830-426-1713
Kthigpen@bullnanza.com

Jason Holder
361-876-5886
jholder@bullnanza.com

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Kolten Thigpen & Jason Holder • Office Phone: 405-377-8037
qbcattlecompany@yahoo.com • jasonLholder@hotmail.com
Texas Location:
226 CR 118 • Sweetwater, TX 79556
Oklahoma Location:
908 N. Prairie Rd. • Stillwater, OK 74075

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