1947
The firm begins doing commercial construction and opens a new office in Richfield, Minnesota 

1950
Commercial jobs begin to outnumber residential; the company moves to a larger office in South Minneapolis 

1953
The partnership is incorporated and officers and directors are elected 

1962
The current corporate office is built in Minneapolis, Minnesota 

1964
Adolfson and Peterson makes the ENR nation's top 400 general contractors list 

1973
Largest single payroll to date 

1978
First year over $50 million in sales 

1979
Peterson sells to Adolfson 

1980
Denver, Colorado office opens 

1991
Phoenix, Arizona office opens 

2000
Dallas, Texas office opens; annual volume tops $250 million 

2003
San Diego, California opens 

2006
A&P reaches 2 million man hours without a lost time accident; achieves top 100 construction company ranking; builds LEED Silver certified high school expansion - one of only five in the world 

2007
Buckeye, Arizona office opens; annual volume tops $500 million 

2008
Charlotte, North Carolina office opens