440 W. 10th St.
Joplin, MO.  64801
Phone (417) 623-6272
Fax (417) 623-6273

Company History

Owner & President: Jeffery A. Hermann


In 1976 Jeffery started his career at the age of 18 in construction as a laborer assisting a friend, working weekends and after hours pouring freelance concrete.

He later joined the Plasterers & Cement Masons Union AFLCIO Local 236; he gained experience in the trades working with various concrete projects. Through his apprenticeship in only two years he achieved a journeymans card.

Jeffery relocated to Las Vegas, Nevada in 1979 and joined the Union Local 797. He began to work out of the union hall for various companies who would call into the hall for temporary workers. Later he gained full time employment with C & E Concrete Inc. as a cement finisher. He was employed three years at C & E Concrete Inc.,   the company specialized in commercial concrete construction and built many of the landmark hotels during the 1980’s.

In 1983 he earned a position as a Foreman with Mardian Construction Company Inc. Phoenix,  Arizona. The company started construction of Cashman Field Stadium which was built for the Las Vegas Stars, the farm team for the San Diego Padres.

At the age of 24 he was given the honor of being the youngest union member to foreman a project over 300 million dollars in Las Vegas. This respect laid the course for 11 years of high rise hotels, parking garages, airport facilities and many other large scale concrete projects built in Las Vegas. 

Other promotions earned during his tenure with Mardian included Foreman to General Foreman & Concrete  Superintendent. 

Jeffery also attended University of Las Vegas Nevada and achieved various certifications in Construction Ethics, Construction Planning, Construction Safety Practice, Construction Scheduling, Construction Management, Concrete Testing and Composition.

He relocated to Joplin, Mo in 1994 and started Mid-Con Construction Company with his brother, the late Todd Hermann and began performing small residential and commercial projects. This business soon grew into one of the areas largest concrete construction companies performing concrete projects in excess of 40 Million dollars in its tenure.


Both companies encompass a full range of construction and concrete services to offer our clients competitive solutions and finished projects to be proud of.