1946 Returning from military service in the South Pacific during World War II, Frank Sorenson is employed as a machinist on Davenport multi spindle automatic lathes
1950 Frank Sorenson becomes a member of the founding team of the Paper Mate Pen Company, playing a key role in launching the first commercially successful design, mass production, and marketing of ball point pens
1953 Advancing his career in the ball point pen industry Frank Sorenson moves to Anja Engineering as Vice President of Manufacturing
1956 Sorenson Engineering is established by Frank & Joyce Sorenson and operates for 6 months on leased floor space in Banning, California
1957 Business and family moved and co-located in a residential home in Yucaipa, California with family members serving as working staff for the new business
1961 Company growth and expansion requires additional space resulting in move to current location on Dunlap Boulevard, in Yucaipa, to accommodate growing business
1971 US Patent issued for Automatic Screw Machine Sub Spindle Attachment
1972 US Patent issued for Universal Secondary Operation Machine
1974 US Patent issued for Polygon Machining Attachment
1992 David Sorenson assumes role as CEO
2005 Certification to ISO 2000:9001
2006 Sorenson Engineering 50th Anniversary
2011 Gold Plating Process & Facilities established
2012 AS9100C Certification
2013 Nadcap Certification: Plating
2014 Quick Response (QRP) operation established
2015 Nadcap Certification: Heat Treatment & Induction Zone Anneal
