About Us
Apex Defense Unlimited
Apex Defense Unlimited L.L.C. was founded in 2024 in Oklahoma. Our team has over 10 years of experience in the holster manufacturing industry, with previous work featured in major handgun magazines and websites worldwide. Additionally, we bring a strong background in the medical sector, particularly EMS, which we leverage to offer quality medical solutions for professional, agency, and civilian markets.
Team Experience
Our team members have completed extensive training with leading instructors, and we are strong advocates of the importance of mindset and continuous training for effective performance under pressure. We design our gear to align with this approach, ensuring excellent quality, reliability, and comfort.
USA Made
All our products are made in the USA, using parts sourced and manufactured domestically. We stand by the quality of our work, offering a limited lifetime warranty on all items we produce.
Continued Growth
At Apex Defense Unlimited, we consider ourselves lifelong learners, constantly seeking knowledge from all areas of life. We value your feedback on any product you purchase from us. Thank you for your interest in Apex Defense Unlimited L.L.C.. We look forward to creating your next custom holster.

Meet The Team
Meet our team
Dedicated professionals driving our success

Bill Peters
Owner/Craftsman
Bill is a skilled Kydex craftsman with over a decade of experience creating high-quality gear for everyday carry by civilians, as well as law enforcement and military personnel. His work has supported groups such as the U.S. Marshals Service, FBI SWAT, Canadian Marshals Service, and overseas security contractors. Beyond craftsmanship, Bill has a robust training background, having completed pistol and carbine courses—both live fire and force-on-force—with respected organizations like Tremis Dynamics, Tactical Response, and Suarez International. He also brings over 20 years of firefighting experience, six years as an EMT, and a foundation in engineering design. Passionate about training, medical preparedness, and mindset, Bill is dedicated to enhancing safety and readiness for individuals and organizations alike.

Kendra Kallenberger
Owner/Business Development
Kendra brings over 20 years of experience in customer service and business development within the construction and industrial markets. With eight years in EMS and as a current part-time paramedic, she combines her expertise in emergency response with a passion for fostering strong client relationships. At Apex Defense Unlimited, Kendra leverages her diverse background to drive innovation and provide exceptional solutions for clients.