Mid-States Millwright and Builders (MMB) has been in operation since 2001. From central Iowa, MMB serves many industries with ... services to companies associated with grain storage and grain handling systems, food processing facilities, ethanol plants and manufacturing plants. MMB is family owned and operated with deep roots in the industry. MMB serves customers all over the United States. We provide our customers with in-house sales, consulting, design, project management and safety management. MMB can deliver your project as the General Contractor coordinating all trades throughout the project. Mid-States has it's own fleet of six cranes ranging from 50 to 245 ton to meet your project's needs. All crane operators certified by NCCCO and all cranes annually certified. read more