The Organization of New England Chapters of Alpha (ONECA) includes all chapters in the states of Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island, Vermont.
| Key No. | Name | Chapter Type | Chapter Seat |
| 6 | Zeta | College | Yale University New Haven, CT |
| 17 | Sigma | College | Bentley College Boston College Boston University Northeastern University University of Massachusetts Boston Boston, MA |
| 25 | Alpha Gamma | College | Brown University Johnson & Wales Providence, RI |
| 32 | Alpha Kappa | College | American International University – Amherst College University of Massachusetts – Amherst Springfield, MA |
| 161 | Beta Sigma Lambda | Alumni | Hartford, CT |
| 214 | Epsilon Gamma Lambda | Alumni | Boston, MA |
| 253 | Zeta Phi Lambda | Alumni | Stamford, CT |
| 256 | Eta Alpha Lambda | Alumni | New Haven, CT |
| 286 | Theta Iota Lambda | Alumni | Springfield, MA |
| 381 | Theta Zeta | College | Dartmouth College Hanover, NH |
| 423 | Kappa Delta | College | University of Connecticut/Trinity College Eastern Connecticut State University Storrs, CT |
| 461 | Mu Phi | College | University of Bridgeport Western Connecticut State University Bridgeport, CT |
| 553 | Mu Theta Lambda | Alumni | Providence, RI |
| 651 | Pi Tau Lambda | Alumni | Burlington, VT |
| 763 | Rho Nu | College | Babson College Harvard University Massachusetts Institute of Technology Tufts University Cambridge, MA |
| 779 | Sigma Zeta | College | Wesleyan University Middletown, CT |