ABOUT US
Twin D Inc. is a family-owned pipeline maintenance contractor founded in 1991 by brothers Dave and Mark Denny. With 50+ years of combined experience in the wastewater industry, The Denny Family is committed to providing top-quality service to their clients.
As a family-owned business, Twin D takes pride in its work and values its relationships with clients. The Denny Family are involved in every aspect of the business, ensuring that each project meets their high standards for quality and excellence.
Twin D, a family-owned business founded in 1991 by brothers Dave and Mark Denny, takes pride in its work and values strong client relationships. The company, currently managed by the next generation, continues to uphold their founders’ legacy of quality and excellence.
Specializing in rotational maintenance plans for waste and storm water systems, Twin D serves clients in Utah, Idaho, and Wyoming. Their comprehensive services provide efficient solutions tailored to meet the unique needs of each client. Located in Layton, UT, Twin D has established itself as a trusted provider in the region. With a team of 30-35 employees and state-of-the-art equipment, Twin D leads the industry in pipeline maintenance.
Twin D is involved in a number of organizations, including the National Association of Sewer Service Companies (N.A.S.S.C.O.), the Water Environment Federation (W.E.F.), the Utah Rural Water Association, the Wyoming Association of Rural Water, the Idaho Rural Water Association, and the Water Environment Association of Utah (W.E.A.U.).
At Twin D, we understand the importance of a well-maintained system. That’s why we offer customized plans to fit your specific needs, including regular cleaning and inspections and maintenance schedules to help prevent issues before they arise. Contact us today to learn more about our services and how we can help you keep your waste and storm water systems running smoothly.
OUR LEADERSHIP TEAM
Dave P. Denny
President, Co-founder
Dave attended Ricks College from 1981 – 1982 with a major in “Automotive – Small Business Management”. After attending Ricks College, Dave worked as an Auto Mechanic until June 1987, when he started with Brigham City Corporation. He worked for Brigham City as a wastewater plant maintenance coordinator, plant operator and collection system operator. He left Brigham City in 1991 to start Twin D.
Nate M. Denny
VP Operations
Aaron D. Denny
VP Finance
Carol Thacker
Office Manager
Carol attended BYU from 1981 – 1983 where she studied English, with several classes in accounting and finances. She has worked as an editor, in new accounts for a stock brokerage, in medical billing and transcription and came to Twin D from diversified benefits where she compiled benefit comparisons. Carol has been with Twin D since 2004 where she handles our contract administration, accounts payable/receivable and DOT Compliance.
Core Values Of Twin D
Excellence: In all our undertakings, we hold ourselves to the highest standard, always striving for quality above all else. This tenet of excellence extends to every aspect of our work — from the solutions we offer to the customer service we provide. Our unwavering commitment to top-tier performance is our promise to you, ensuring we deliver the best in every capacity.
Empathy: We believe in seeing through the eyes of our customers and partners and employees. Understanding your needs, desires, and challenges deeply is vital for us. We don’t just listen; we hear you. We value your perspective and we strive to provide solutions that reflect this understanding. It’s not just about business; it’s about human connection and mutual growth.
Character: At the heart of Twin D is an unyielding dedication to integrity. We conduct ourselves with honesty, ethics, and reliability, not because it’s good for business, but because it’s the right thing to do. We believe in staying true to our word and maintaining transparency in our operations. Trust is hard to earn and easy to lose, which is why we’re committed to upholding our character in every interaction.
Earn It: We operate under the guiding principle that nothing worthwhile comes without effort. We are not complacent or entitled. Instead, we work hard, stay humble, and always remain grateful for the opportunities we’ve been given. Every success we achieve is the result of relentless effort, and we’re fully aware that we must earn our place every day.
At Twin D, these core values define who we are, inform our decisions, and guide our actions. They remind us of what truly matters as we continue to grow, innovate, and strive to offer the very best to our customers and partners.