SourceOne Engine Equipment
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Shane Janssen


Shane followed in his fathers footsteps and worked his way up in the oil and gas business and then had the chance to work side by side with his father at the local Caterpillar dealer. In 2009 he was ready to embark on a new venture with his father and started looking for new products to sell for SourceOne. Shane and his father helped pioneer the natural gas conversion market for drilling rigs and SourceOne leads the way in aftermarket conversion kits for both the pressure pumping industry as well drilling.

Our Employees

Barry Janssen


Barry has been working in the industrial diesel and natural gas engine market since 1976. Getting his modest start selling parts for Detroit Diesels, then moving into sales. He worked for the local Caterpillar dealer in Tulsa for almost 30 years building his reputation as a knowledgeable and trustworthy salesman. He took his vast knowledge and started his own company, SourceOne in 2007.

Our people make the difference.



Our team of experienced sales engineers are dedicated to providing award-winning service to our clients. We take the time to research your project completely and bring you the best product at a competitive price. We're proud that so many of our customers have repeatedly turned to us for our knowledge and expertise. We are determined to work hard to earn our clients loyalty every day. We're here to help your projects succeed.


Our Employees


We strive to prove ourselves everyday. We pride ourselves in maintaining a small business environment and treat every customer with care and consideration. We’ve hand-picked a high-quality team of professionals qualified to successfully resolve any problem no matter how big or small.  If you need guidance and proven products on your next job, our experts can help you find a solution.

Austin Zellner


After graduating from college Austin pursued a career selling advanced engineering simulation products in Oklahoma. SourceOne was able to secure this bright, engineering minded employee in 2014 and he has been impressing us with his quest for knowledge and his impeccable skills ever since. He prides himself on quick turnarounds and getting the customer exactly what they need.