Sigma Phi Delta was founded at University of Southern California on April 11, 1924 and currently has 25 active chapters.

Gules, a pall or, between, in chief two retorts crossed argent, in dexter base a quill sable surmounting a key in saltire, of the third, in sinister base a hammer fesswise of the fourth debruising a compass, points downward, of the third; over all the escutcheon of pretense, azure, charged with a castle or, masoned sable, with a bordure argent.

Crest, over a duke's helmet and a torse of the colors, a dexter cubit arm, proper, grasping a thunderbolt, winged or Mantling: Gules doubled, or Supporters: Two lions, rampant, proper Motto: Sigma Phi Delta, in upper and lower case Greek letters The Name of the Fraternity is represented by the capital form of the Greek letters Sigma (Σ), Phi (Φ), Delta (Δ) which stand for Science, Friendship and Duty.

In 2015, Sigma Phi Delta and Alpha Omega Epsilon joined together to form a strategic partnership with the FIRST Robotics Competition in order to fulfill their respective mission to further Engineering Education.

Together, they plan to advocate and promote career opportunities in STEM, within grades K–12 as well as higher education, build on existing STEM related programs, and seek ways to engage their memberships in FIRST Mentor/Coach opportunities as a means of workforce development, increased community involvement and/or encourage employees to give back to the communities where they live/work.