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  • Launches SafeThinking campaign, our crusade to eliminate accidents across the company
  • Receives a gold Well Workplace Award from The Wellness Council of America 
  • Opens a satellite office in Glendale, California 
  • Awarded an ILPD hospital expansion project for Akron Children’s Hospital in Akron, Ohio
  • Awarded an emergency room expansion and south addition build for the Essentia Health System in Fargo, North Dakota
  • Awarded an air quality control system project for Consumers Energy in West Olive, MI
  • Shelly Peterson is named Executive Vice Presidentof Minnesota Operations
  • Jeff Johnson is named Executive Vice President of Central Operations
  • Jeff Niesen is named Executive Vice President of Human Resources and Risk Management
  • Receives OSHA Voluntary Protection Program (VPP) recognition in California
  • Launches BoldThoughts blog


  • Receives OSHA Voluntary Protection Program (VPP) recognition
  • Opens satellite office in Green Bay
  • Awarded first project in Canada with Five Hills Health Region in Moose Jaw, Saskatchewan
  • Sutter Medical Center construction site reaches 1,000 days without a Lost Time Accident (LTA)
  • Awarded nationwide General Motors contract
  • North Park University names Boldt as its ILPD facilitator for new science and community life building


  • Boldt achieves 4 million man-hours without a Lost Time Accident (LTA)
  • Madison office relocates
  • Boldt assists the Selmer Company in business transition
  • Begins restoration and renovation project on the University of Wisconsin - Madison's iconic Memorial Union


  • Boldt awarded unprecedented three biomass power projects
  • Boldt achieves 2,000,000 man-hours without a lost-time accident
  • Boldt is awarded the second research tower at University of Wisconsin - Madison
  • Continues on an aggressive growth path in Northern California


  • Integrates Building Information Modeling (BIM) technology
  • Recognized for our strong business ethics - Received Torch Award for Business Ethics & Integrity
  • Awarded largest project in history of the company (Sutter Health, $1 billion)
  • Builds presence on the West Coast in heathcare
  • In 2006, built "Greenest Building in the World" - Aldo Leopold Legacy Center
  • Selected as one of "America's Safest Companies"
  • Enters Wind market and erects over 600 wind turbines first year
  • Becomes a Lean enterprise
  • Ranked as one of the Top 100 Green Contractors
  • Further evolution of BIM integration
  • In 2009, Boldt forges more deeply into the California market moving north to Sacramento
  • Boldt has signed an unprecedented seven tri-party agreements totaling more than $2 billion in construction value


  • Broad experience with large, highly complex Industrial projects leads to a growing position in the Power and Renewable Energy markets
  • Charter member of Lean Construction Institute (LCI)
  • In 2002, Bob DeKoch becomes president
  • Boldt expands and strengthens Midwest presence
  • In 2002, Boldt pioneers Integrated Lean Project Delivery® (ILPD)
  • Implements corporate commitment to sustainability
  • Outstanding philanthropic corporation
  • Becomes 1st general contractor to be accepted into the DNR Green Tier Program
  • Boldt achieves 1 million man-hours without a lost-time accident


  • Oscar C. Boldt becomes chairman and Tom Boldt becomes CEO
  • Bob DeKoch joins as COO
  • Lean journey begins
  • Ranked in the Top 100 of ENR's nation's largest contractors
  • ENR ranks Boldt #1 contractor in Pulp & Paper
  • Boldt receives Green Contractor Award


  • Strong process and machinery experience positions Boldt as a leader in Manufacturing and Machinery construction
  • Continues expansion of Midwestern presence
  • Builds presence in southern US
  • Warren Parsons is made President


  • Boldt enters Saudi Arabia market
  • Boldt pioneers Construction Management
  • Boldt's early investment in IT pays off for customers
  • Continues to climb to ENR's Top 200 nation's largest contractors
  • Warren Parsons joins the company




  • Oscar C. Boldt joins the family business
  • Boldt becomes a key player in the Manufacturing market
  • Oscar C. Boldt becomes CEO
  • Boldt enters Education market


  • Boldt was awarded the Fuhremann Canning Factory project. This was the first large project in Wisconsin, which lead to our first out of state project. After completing the canning factory in Appleton, Wis. Boldt was awarded another canning factory project for Fuhremann in Lanark, Illinois. 
  • Awarded the Memorial Chapel project at Lawrence University during the 1930's; this lead to an organic relationship with Lawrence that we still have today.
  • Boldt was awarded the contract for the Kimberly Village Hall. 
1910 - 1930

1910 - 1930

  • Martin's sons; Robert, Arthur and Oscar J. joined the business.
  • O.J. had a love for innovation. He improved the design of the bowling pin, which was issued a patent in 1917.
  • O.J. joined the Army in 1917. When he returned home he became the manager of Martin Boldt and Sons.
  • Boldt enters the Commercial construction market, but most work is still home-building
  • Led by Oscar J. Boldt's strong talent for problem-solving and innovation, the company incorporates as the Oscar J. Boldt Construction Company
  • As the Depression deepens, Boldt expands outside of Wisconsin and lands its first large Manufacturing construction project


  • In 1889, Martin Boldt opens a carpentry shop in Appleton, Wisconsin
  • Boldt establishes a reputation for craftsmanship and reliability, using a horse-drawn wagon to deliver finished goods to customers
  • Martin's sons, Oscar J., Robert and Arthur, join the business

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