1995

Foundations of Alliant

John Dillingham founds Alliant in September and opens the first office in South Minneapolis.
John Dillingham
1996
1996

Power in Numbers

Alliant hires employee number two. (and employees three and four)
1997

Growth and Expansion

Alliant expands and moves to the Minneapolis Mill District. Clark Wicklund joins Alliant to lead Land Development group.
1998

Leaders in Land Development

Alliant begins civil design of Mississippi Jewel, a 600-acre Hale Irwin designed Golf Course Community.
1999
1999

First Corridor Communications Design

Williams Pipeline hires Alliant to design a 17-mile fiber optic and communication tower project.
2000

Strengthening Transportation Expertise

Alliant hires Bob Green to lead Alliant’s Transportation Group.
2001
2001

Relocation to downtown Minneapolis

Alliant moves to the Old Spaghetti Factory building in downtown Minneapolis.
2002

Expanding into Land Surveying

Dennis Olmstead joins Alliant to lead Land Survey group.
2003

Major Transportation Design-Build Begins

Alliant’s first transportation design-build project ROC 52 begins in Rochester, Minnesota.
2004
2004

Strength in Client Partnerships

Land Development practice expands after securing a relationship with a national residential developer.
2005

Design-Build Success

The design of TH 212 design-build begins in a co-located office in Chaska, Minnesota.
2006
2006

Extra Room Needed

Expansion into the third floor of the Old Spaghetti Factory building becomes a necessity.
2007
2007

Traffic Ahead

Alliant’s Traffic group expands services to include operations.
2008

International Projects

Alliant begins work on a golf course-based multi-use development in Baku, Azerbaijan.
2009

Community Building

Annual tradition of volunteering at Second Harvest Heartland begins.
2010

National Success

Work begins on Alliant’s first national design-build project, I-15 Corridor Expansion in Salt Lake City, Utah.
2011
2011

Project Leaders

Highway 13/101 becomes Alliant’s first opportunity as the lead designer on a design-build project in Minnesota.
2012

Big Transportation Win

Alliant secures a multi-million-dollar contract for the design and construction of the St. Croix River Bridge.
2013
2013

Continuing Transportation Project Wins

Alliant wins I-35E MnPASS design-build, a $100 million endeavor.
2014

Out with the Old

Alliant rebrands, rolling out a new updated logo.
2015

Growth into New States

Jacksonville, Florida office opens as Alliant expands into Southeast Region.
2016

Prestigious Win for Alliant

Named as ACEC/MN Firm of the Year.
2017
2017

Leadership Expansion

Five new shareholders are added to Alliant’s ownership team.
2018
2018

Main Office Relocation

Alliant moves headquarters to the Baker Center, downtown Minneapolis.
2019

Achievement Award

John Dillingham receives Tom Roche Lifetime Achievement Award at ACEC/MN Annual Meeting.
2019
2019

Alliant Becomes an ESOP

Alliant initiates the Employee Stock Ownership Program (ESOP), becoming employee-owned.
2019
2019

Expansion in Florida

Land Survey Services are added in the Southeast Region.
2020

Top 150

Alliant earns a place on the Minnesota Star Tribune Top 150 list of Best Companies to Work For.
2020

Valuing Community

Alliant celebrates our 25th anniversary by hosting an event for the Minnesota Children’s Hospital.
2021
2021

Growth in Southeast Region

Jacksonville office requires a move to a new, larger office.
2021
2021

Midwest Region Opens Second Office

Mankato office opens as Alliant expands Minnesota footprint.
2022

Organizational Leadership

Alliant establishes Operations, Strategic Planning, and Business Development teams to facilitate organizational growth.
2023

STEM Initiative

Start of the Alliant Trailblazers initiative to introduce youth to careers in STEM.
2024

Florida Opens Second Office

Southeast Region opens a Tampa, Florida office.
2025

Now and Into the Future

Celebrating 30 years of Alliant and our mission of building better communities with excellence and passion.