Meet the Team

Puff Niegos, serving as the Treasurer at the Western Group, brings a wealth of accounting expertise to the table. After majoring in Accounting at SMU and working in public accounting for two years, Puff joined the family business in Amarillo in 1988 and has been an integral part of the company ever since. With a passion for the field, Puff enjoys the challenges and continuous learning opportunities that come with financial accounting and tax work. Unbeknownst to many friends and clients, Puff is also an Academic Language Therapist, providing support to dyslexic students struggling with reading skills. During leisure time, Puff indulges in various outdoor activities like hiking, cycling, mountain biking, snowshoeing, and skiing. Committed to making a difference, Puff serves on the Mary Bivins Foundation Board, tackling the issue of senior food insecurity, and is the founder of the WTAMU Center for Learning Disabilities, working closely with families and educators to ensure success for every learning-disabled student. Puff values the incredible colleagues at work, although juggling multiple responsibilities can be challenging. In terms of perks, Puff enjoys health insurance, life insurance, a 401(k) plan, holidays, and paid time off provided by the employer.

Plug Piehl is a dedicated Secretary at a family business, where her lifelong immersion in the industry has shaped her expertise. With fond memories of accompanying her parents to work from a young age, Plug finds the diversity of projects and companies the most rewarding aspect of her profession. Alongside her professional pursuits, Plug’s lesser-known background includes studying Building Trades at Canyon High School and gaining practical experience as a carpenter, roofer, and drywall specialist during her summer breaks. During her free time, she indulges in reading, watching sports, and showcasing her culinary skills as the resident chef at home and the office. Passionate about making a difference, Plug serves on the Texas State 4H Foundation Board, striving to create equal opportunities for children in Texas through 4H programs. She also actively participates in the West Texas A&M Ag Development Board and Association, dedicated to raising funds for research, scholarships, and recruitment. Moreover, Plug and her family contribute to scholarships and professorships at WTAMU. With her extensive experience, versatile skills, and philanthropic endeavors, Plug Piehl continues to excel in her professional and community roles.

Mark Griffin is a seasoned professional in the industrial gas industry, boasting nearly 40 years of experience. Despite initially aspiring to be a stockbroker on Wall Street, Mark found his calling in the industry and has since become a valuable problem solver, designer, and communicator. He thrives on the challenges presented by new applications and enjoys witnessing his collective efforts transform into tangible results. In his free time, Mark indulges in reading, flying, and cherishing moments with his wife of 36 years, Rebecca. Committed to giving back, he actively contributes to his local church and the Civil Air Patrol, utilizing his pilot skills for emergency services and youth programs. Mark has dedicated 25 years to the Western Group, where he assists in shaping and implementing the company’s strategic vision while fostering a supportive and familial work environment. His dedication, leadership, and passion for success continue to make a lasting impact in his field.

Steve Aderholt, the President of the Western Group, started his career with Western Sales & Testing while attending West Texas A&M University. Although he had no prior knowledge of the field, his growing expertise and admiration for the service and manufacturing aspects captivated him. After graduation in 1979, Steve became the General Manager of Western Valve,  which eventually led to his involvement in other group ventures becoming President of Western Valve and Vice President of Western Sales. In 2004, Steve became President of the Western Group. Steve has chaired various committees with the Compressed Gas Association (CGA) and serves on the CGA Board of Directors. What Steve values most about his profession is the opportunity to meet and establish long-lasting relationships with a diverse range of people through the sales aspect of the business. With an impressive tenure of 48 years at the Western Group, Steve fulfills his role as President by nurturing customer relationships and passing on his invaluable experience to younger managers. While he appreciates the fulfilling aspects of his job, such as interacting with customers and mentoring colleagues, Steve also enjoys the traveling aspect of his responsibilities and has been fortunate to be able to not only travel the United States but to countries abroad such as China, Thailand, Europe, UAE and South Africa. In his free time, Steve indulges in his passion for golf, relishes college football, and enjoys spending time with his children and grandchildren. He is active in his church supporting food bank drives, school supply programs, and international missionary support.

Dennis Hatfield, the Vice President of the Western Group, has a longstanding history with the company. He initially joined Western Valve while studying to become a draftsman in college. Starting as a machine operator, his employer discovered his drafting skills and assigned him to work on drawings while operating machines. After graduating, Dennis progressed through various roles, eventually assuming the position of Quality Control and eventually becoming the General Manager. What he loves most about his profession is developing products that enhance safety in the industry. Outside of work, Dennis has a passion for classic muscle cars and is currently restoring a 1965 Chevelle SS. In his free time, he enjoys spending time with his wife, children, and grandchildren, as well as engaging in activities like golfing, fishing, and working on his classic car. While his involvement in charitable and community organizations is not specified, Dennis has dedicated 39 years to the Western Group. As Vice President, he oversees the daily operations of Western Valve. The best part of his job is the opportunity to engage in drafting and design, allowing him to create and develop innovative products. On the other hand, dealing with dissatisfied customers can be challenging, as the company always strives to prioritize customer satisfaction. As for perks, Dennis receives a company truck, which adds to his job benefits.

Kevin Reynolds is the D.O.T Compliance/Training professional at the Western Group, where he has been working for five years. With over 25 years of experience in the Trucking Industry, Kevin embraced this field as a new challenge. He enjoys the ever-changing nature of the industry and the opportunity to work with diverse people. As a proud Veteran, Kevin finds satisfaction in making a difference behind the scenes and spending time with kids, despite not having any of his own. In his free time, he engages in various activities such as horseback riding, racing karts, hunting, fishing, and supporting charitable organizations. Kevin’s role involves ensuring D.O.T. compliance, providing training, conducting tank testing, and assisting wherever needed. Working for a family-owned business, he values the people he works with and the chance to contribute positively. While he finds struggles and complex issues challenging, he appreciates the perks of flexibility and support for community and personal causes from his employer.

Dillon Quackenbush is Operations Manager at Western Sales & Testing, where he has been working for a total of seven years, including a four-year stint since he returned to the family business. His motivation to join the field stemmed from his grandfather, Bill Piehl, and his desire to continue the family legacy. Dillon values the camaraderie among his colleagues and finds fulfillment in assisting customers. While many may not know, he is a proud father of two daughters. In his free time, Dillon enjoys spending quality time with his family, playing video games, and expanding his knowledge in business and financial markets. As the Operations Manager, he oversees activities directly related to manufacture, refurbishment, and testing services. He coordinates, monitors, and manages the workings of the various departments at Western Sales. Also, his duties include updates to customers regarding trailer retests, writing work orders, and preparing invoices and data packs. The best part of his job is contributing to the success of his family’s business, while the biggest challenge lies in managing a heavy workload within limited time. Dillon appreciates the perks of competitive pay and a relaxed work environment offered by his employer.

Matthew Niegos is an employee at the Western Group. He entered the field based on a recommendation from his family. Matthew’s favorite aspect of his profession is data analysis, and something that his friends and clients might not know about him is his passion for science fiction novels. During his free time, he enjoys reading. In terms of community involvement, Matthew is associated with BSA Scouting, appreciating its hands-on learning approach and focus on outdoor activities. He has been working for the Western Group since September 2019 and is responsible for leasing compressed gas storage and transportation equipment. The friendly work atmosphere is the best part of his job. Matthew also appreciates the benefits he receives as a Western Group employee such as a 401K and health insurance.