Delta-Q, Inc.

Delta-Q, Inc. traces its roots to 1975, making it one of the more established names in Southern California plumbing and HVAC distribution. Based in Fullerton, the company operates from a 15,000-square-foot warehouse in the heart of Orange County and maintains a presence across Southern California and Las Vegas wholesale markets. With a 4.2-star average rating from five verified reviews, Delta-Q serves as the bridge between major manufacturers and the wholesalers, contractors, engineers, and home builders who install the finished systems. The company employs dedicated sales specialists targeting the wholesale, commercial, and residential builder channels, supported by an inside sales department that handles technical inquiries, engineering support, and project quotations.

What distinguishes Delta-Q is its combination of deep-rooted industry relationships and modern operational infrastructure. Since 1975, the company has cultivated decades-long connections with purchasing contacts at national distributors and independent wholesalers alike. Delta-Q leverages Repfabric CRM technology to track thousands of interactions and monitor projects from initial design through commissioning. The company has received multiple national recognitions from manufacturer partners for leading sales growth performance. A 15,000-square-foot warehouse stocked with partner products ensures that items move quickly into the market rather than languishing on backorder.

Customer feedback spotlights specific team members who have made impressions. Reviewer Susan Mentzer of Far West Industries rated Delta-Q five stars and specifically named Alyssa as instrumental in securing products for upcoming projects, praising both product knowledge and reliable on-time delivery. Aaron Fernandez also awarded five stars after a manufacturer representative walked him through determining which solutions fit his company's needs. Not all experiences were positive; Plumbing World reported frustration over a backordered item, miscommunication about pickup timing, and a sales associate who disconnected calls twice during a dispute.