DGR Engineering

DGR Engineering DGR Engineering specializes in civil/survey, electrical power, aviation, and water/wastewater engineering .

We provide our clients with trusted, professional, solutions. From roads and power lines, to where parks and water converge, DGR Engineering has been building the foundation for everyday life since our founding in 1952. Our aviation, civil engineering, water/wastewater systems, electrical power and surveying projects stand out in communities and organizations across the Midwest. With offices in Ro

ck Rapids and Sioux City, Iowa, as well as Sioux Falls, South Dakota, the DGR Engineering team lives where we work. Our strong, decades-long foundation is proudly shared with clients who put their trust in us. Recognized again in 2022 by PSMJ Resources, Inc., and every year since 2014, for inclusion in its “Circle of Excellence,” DGR is honored to be known as a high performing organization of distinction.

05/29/2026

☀️ A “warm” welcome to our summer interns who are already hard at work using their various talents on projects both in the office and out in the field. We look forward to a summer of hands-on learning and new experiences!

Introducing our newest team member in Sioux Falls, Alex Foley! dgr.com
05/29/2026

Introducing our newest team member in Sioux Falls, Alex Foley! dgr.com

Please join us in welcoming Jasper Sandbulte to our Electrical Power team in Rock Rapids. dgr.com
05/28/2026

Please join us in welcoming Jasper Sandbulte to our Electrical Power team in Rock Rapids. dgr.com

Meet Nick Ankrum, our newest electrical design engineer! dgr.com
05/28/2026

Meet Nick Ankrum, our newest electrical design engineer! dgr.com

This Memorial Day, we pause to remember the brave men and women who gave their lives in service to our country. We are f...
05/25/2026

This Memorial Day, we pause to remember the brave men and women who gave their lives in service to our country. We are forever grateful for their sacrifice.

We're happy to have you back, Nick! dgr.com
05/18/2026

We're happy to have you back, Nick! dgr.com

🛩 Welcome to our newest Engineering Technician in our Aviation Team, Garrett Nelson! dgr.com
05/14/2026

🛩 Welcome to our newest Engineering Technician in our Aviation Team, Garrett Nelson! dgr.com

Only two weeks left to apply! Engineering Technician Students, the scholarship application deadline is approaching. Don’...
05/08/2026

Only two weeks left to apply! Engineering Technician Students, the scholarship application deadline is approaching. Don’t miss this opportunity. Learn more & apply at the link below.
⏰ Deadline: May 22
https://conta.cc/4vekEPZ
| dgr.com

Address

1302 S. Union Street
Rock Rapids, IA
51246

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 4:30pm

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