A.Y. McDonald Mfg. Co. is a major manufacturer of water works valves and fittings, natural gas valves, and residential and commercial water pumping systems. The Company has distinguished itself with a proud tradition of quality and reliability since its founding in 1856. The mission of A.Y. McDonald Mfg. Co., in the words of our founder, is "to make good products and sell them honestly."​ We, the stockholders and co-workers, accomplish this by extending the McDonald family culture through excellent customer service and by focusing on our customers'​ needs. Our Vision To be the leading producer of water and gas distribution products to benefit the current and next generation of employees, customers, and stockholders by continually growing and strengthening our business. We believe in: Making good products and selling them honestly. The Customer is the boss. Employees are a part of the A.Y. McDonald family. None of us is as smart as all of us. Leaving the company in better shape than it was received. A.Y. McDonald Mfg. Co. has a long tradition of trusted quality and dependable service. These attributes are advanced through the commitment of every employee. Everyone is challenged to capture the opportunity to excel and move upward to achieve a better product or process. A.Y. McDonald Mfg. Co. employees strive to meet and exceed this challenge everyday. Customers like to buy from A.Y. McDonald Mfg. Co. Why? The customer is "the boss,"​ and every effort is exerted to exceed expectations. Customer service is the number one priority. Customers find quality products linked with outstanding people. A.Y. McDonald Mfg. Co. Corporate headquarters, brass foundry and main manufacturing plant are located in Dubuque, Iowa. We also have locations in Albia, IA and Elizabethton, TN.

Manufacturer of America's Finest Harrows and vertical tillage machines and Steel Fabricator of buildings such as Churches, School, Hospitals and Hotels.

Metal Stamping with Presses up to 800 Tons. Gripflow Stamping up to 400 Tons. In-house Heat Treating, Double Disc Grinding, CNC Machining and Surface Finishing. Local sources for Laser, Painting & Zinc Plating.

UNIVERSAL DIE & STAMPINGS, INC. is a machinery company based out of 735 15TH STREET, PRAIRIE DU SAC, Wisconsin, United States.

Dubuque Screw Products is a production machine shop that’s ready to deliver the world-class precision machining you need. Already know what you want? We can machine it. Need to consult on choosing the right process for your project? We’re ready to help. At DSP, we manufacture precision components to print from most raw materials, including steel, stainless steel, aluminum, brass, copper, plastic and exotic alloys. Whether you need small or large quantities, you’ll always get customer service that puts you and your needs first. We want to be your go-to resource for high-quality, custom, screw machine, CNC-turned and CNC-milled parts. Welcome to world-class precision machining. Welcome to DSP.

Uelner Precision Tools & Dies is a full-service tool and die manufacturer encompassing 65,000 square feet in Dubuque, IA. For over 71 years, we have provided precision tooling around the world with the emphasis on craftsmanship and quality. Our press department includes hydraulic presses, APT 4 cylinder and mechanical presses for die production up to 1500 tons with 206“ bed capable of transfer and coil feed to keep your manufacturing process running smoothly and profitably. Uelner is ISO certified. Call us now to find out how our experience can serve you.

Die Makers Manufacturing Corp. is an experienced and talented team of designers, toolmakers, and machinists, using high tech machine tools and equipment to contribute to the success of our customers. We provide a full range of services including stamping die design, building, and die tryout on our in-house presses. Among the support services we provide are die maintenance and repair, wire EDM, and CNC machining, as well as general machining. From design to completion, all work is performed under our comprehensive quality system assuring on-time delivery of high quality dies, tooling, and production parts.

Klauer Manufacturing is a building materials company based out of 1185 Roosevelt Street Ext, Dubuque, Iowa, United States.

KOL-GOL, INC. is a marketing and advertising company based out of PO BOX 489, WAUKON, Iowa, United States.

Simply Manufacturing, Inc. specializes in the design and fabrication of product transfer and quality OEM spare part components in the food processing industry. We offer a full line of Screens, Trucks, Trees, Racks, Cages, Meat Sticks and Vats for the meat, poultry, pet food and other food processing industries. We have been supplying quality OEM spare parts and components for large processing equipment manufactures to major end users around the World.

Tri-State Metals is the premier supplier and fabricator of Metal Roofing Systems in the greater New York area. Started in 2003 Ray Ayerbe, an entrepreneur with more than 30 years’ experience in sheet metal and other roofing/construction products, had a vision to provide the industry a unique custom-made high quality products, outstanding technical expertise, and unbeatable turnaround times! Loyalty through delivering their product/service on time or sooner! He’s motivated our customer service/sales/estimators to earn the customers’ loyalty through outstanding performance, placed high quality standards in operations, and developed a streamlined, efficient supply chain, benefiting our customers. Within 14 years, Ray realized his vision. He’s built a successful metal roofing fabrication company with an industry reputation of deep customer loyalty, delivery of high quality made-to-order products with the best turnaround times in the industry! Led by Ray, TSM is a family operated company, who’s built allegiance with customers as well as employees. With teams of superior customer service specialists, technical experts in drafting/designing and a highly-trained operations team, we pride ourselves in making sure each customer is treated with the best technical, professional and operational service for each project.

BinMaster is a leading U.S. manufacturer of point and continuous level indicators and inventory management systems used for monitoring the level of bulk solids or liquids in bins, tanks, silos and hoppers. Material management solutions include all-digital grain monitoring systems, flow detection sensors, and complete solutions using wireless devices & web applications to send data to a control room, console, smartphone, tablet, or PC. Robust, custom systems can be developed for a single site or networked for every bin, tank, and silo across a multi-national operation. BinMaster es uno de los principales fabricantes estadounidense de indicadores de nivel puntual y continuo y sistemas de gestión de inventario utilizados para controlar el nivel de sólidos a granel o líquidos en depósitos, tanques, silos y tolvas. Las soluciones de administración de materiales incluyen sistemas de monitoreo de granos totalmente digitales, sensores de detección de flujo y soluciones completas que utilizan dispositivos inalámbricos y aplicaciones web para enviar datos a una sala de control, consola, teléfono inteligente, tableta o PC. Se pueden desarrollar sistemas robustos y personalizados para un único sitio o en red para cada contenedor, tanque y silo en una operación multinacional.