SIGMA CORPORATION
Donald Muller, CPA, MBA, serves as the Chief Financial Officer of SIGMA Piping Products [2019], LLC since June 2019 and has held the position of Controller at SIGMA CORPORATION since July 2014. Prior experience includes a role as Senior Manager in the Audit Department at EisnerAmper LLP from January 2005 to July 2014, concentrating on audits for privately held companies, non-profits, and benefit plans. Notable accomplishments include leading a due diligence team for a $15 million west coast acquisition, managing consolidations for multiple subsidiaries, and preparing accounting research for a significant $65 million acquisition. Donald Muller earned an MBA in Accounting from Monmouth University and a BS in Hotel Administration from the University of Nevada-Las Vegas.
SIGMA CORPORATION
SIGMA Corporation offers a wide range of waterworks and OEM products for customers at home and abroad. SIGMA’s innovative quality and supply chain processes have made us an industry leader, and we continue to develop new products and services, meeting the changing needs of our valued customers every day. Established in 1985 by engineers with new ideas for supplying AWWA pipe fittings, SIGMA has grown into a multi-million dollar international corporation with loyal customers across the US and Canada, and products in countries around the world. We continuously strive to create safer, better, more cost-effective products for the worldwide water and wastewater industry. In 2014 alone, SIGMA created over 600 new and redeveloped products. Our technology created the PV-LOK and ONE-LOK joint restraints, and we manufactured the industry’s first-ever 42-inch and 48-inch mechanical restraining devices for AWWA C905 PVC pressure pipes. SIGMA still provides the widest selection of fittings on the market today.