October 31, 2007—Sioux Center, Iowa
The Interstates Companies is pleased to announce that Randy Van Voorst, vice president of project delivery at Interstates Construction, has been nominated and appointed to Iowa’s newly-formed Electrical Examining Board. Learn More

June 12 , 2007—Sioux Center, Iowa
Interstates received two prestigious Associated Builders and Contractors (ABC) awards at the 17th annual Excellence in Construction and National Safety Excellence Awards Celebration, held in the National Building Museum in Washington, D.C. Learn More

April 13, 2007—Sioux Center, Iowa
The Interstates Companies is pleased to announce Monte Vander Velde has been named president of Interstates Instrumentation. Learn More

April 12, 2007—Sioux Center, Iowa
The Interstates Companies is pleased to announce that Jaron Vande Hoef and Shane Vander Kooi have each passed an important career milestone by earning the coveted professional engineer (P.E.) designation. Learn More

April 6, 2007—Sioux Center, Iowa
Sioux Center, IA – Interstates Construction, a division of the Interstates Companies, is pleased to announce the following promotions: Vice President—Operations and Vice President—Project Executive. Learn More

March 23, 2007—Sioux Center, Iowa
In order to better serve their customers, the Interstates Companies has relocated its Sioux Falls Regional Office into a larger facility located at 6009 South Sharon Ave. Suite 109 in Sioux Falls, South Dakota. Learn More

March 16, 2007—Sioux Center, Iowa
In order to better serve their clients, Interstates Instrumentation has expanded its support services.

Interstates Instrumentation is now featuring on-demand and maintenance availability during business and non-business hours. Customers will now have immediate access to a technician on an ongoing basis. Learn More

January 25 , 2007—Sioux Center, Iowa
Larry Den Herder, CEO of the Interstates Companies of Sioux Center, Iowa, has been named the 2007 Chairman of Associated Builders and Contractors (ABC) of Iowa.

Den Herder was sworn in at ABC of Iowa’s Annual Meeting on January 25th in West Des Moines, Iowa. Learn More

2006—Sioux Center, Iowa
Rick Van Voorst of Sioux Center, Iowa, earned a prestigious award at the 2006 ABC National Craft Championship competition held recently in Las Vegas, Nevada. Van Voorst was among more than 120 craft professionals participating in the event held to showcase high workmanship, technical knowledge, and safe work practices in the construction industry. Learn More

April 25, 2005 —Research Triangle Park, North Carolina
Dan Green, Randy Mouw, Scott Heynen, Devlin McClure, and Lowell Dykstra have recently been certified as Level I ISA Certified Control Systems Technicians (CCST®). Learn More