1960's - FAMILY TRADITION BEGINS
1970's - COPENHAGEN BOTANICAL GARDEN
Substantial renovations made to Copenhagen Botanical Garden
1970's - FIRST ALUMINUM SYSTEMS ARE BEING IMPLEMENTED IN DENMARK
1970's - OPENING UP ENGINEERING OPPORTUNITIES IN USSR
Close cooperation with Clauhan Projects A/S – Opening up engineering opportunities in USSR. At the time, one of these projects is the world’s largest facility of up to 200 or more hectares
1985 - MOBILE BENCH SYSTEMS IMPLEMENTED
1986 - THOMAS LARSSEN JOINS HIS UNCLE'S BUSINESS
1986 - BEINGS USING AUTOCAD
Use of AutoCAD begins, revolutionizing the drafting/design process
1991 – THOMAS LARSSEN DESIGNS HIS FIRST ALUMINUM SUPERSTRUCTURE
Thomas Larssen designs his first aluminum superstructure which integrates all greenhouse technical systems into the greenhouse structure itself. This leads to new efficiencies, increased strength along with weight and cost savings.
1992 - FIRST COGEN INSTALLATIONS
One of the first greenhouse CoGen installations is designed and implemented
1992 - ROSAGER LARSSEN ESTABLISHED
Company becomes Rosager Larssen, with Jorn Rosager, as Hans Rosager retires, handing over the baton of tradition to Thomas.
2002 - LARSSEN BEGINS TO WORK WITH THE FIRST FORCED-AIR GREENHOUSE DESIGNS
2003 - LARSSEN LTD IS INCORPORTATED IN CANADA
EARLY 2000s - FIRST CANNABIS DESIGNS BEGIN AT REQUEST OF FEDERALLY LEGAL PRODUCERS
2017 - AURORA LARSSEN PROJECTS IS FORMED
Aurora Larssen Projects is formed to work on mass-scale cannabis facilities in Canada and elsewhere.
MAY 2020 - ALPS INC. BECOMES INDEPENDENT ALONG WITH LGC AND APIS
ALPS and LGC are formed along with new service offering APIS to focus on multiple CEA markets.
JANUARY 2023 - LGC & ALPS BECOME CEAd
An independent controlled environment agriculture design firm focused on sustainable, long-life, cost effective solutions.