Exhibit 21.1

Subsidiaries of STAG Industrial, Inc., a Maryland corporation

Name						Jurisdiction of Formation/Incorporation
STAG Allentown, LLC						Delaware
STAG Arlington 2, L.P.						Delaware
STAG Belvidere IV, LLC						Delaware
STAG Belvidere IX, LLC						Delaware
STAG Belvidere V, LLC						Delaware
STAG Belvidere VI, LLC						Delaware
STAG Belvidere VIII, LLC						Delaware
STAG Burlington 3, LLC						Delaware
STAG Burlington, LLC						Delaware
STAG CA GP, LLC						Delaware
STAG CA Holdings, LP						Delaware
STAG Columbia, LLC						Delaware
STAG Concord Investor, LLC						Delaware
STAG Concord JV, LLC						Delaware
STAG Concord, LLC						Delaware
STAG De Pere, LLC						Delaware
STAG Duncan, LLC						Delaware
STAG Edgefield, LLC						Delaware
STAG El Paso 1, LP						Delaware
STAG El Paso 2, LP						Delaware
STAG El Paso 3, LP						Delaware
STAG El Paso 4, LP						Delaware
STAG El Paso 5, LP						Delaware
STAG El Paso, LP						Delaware
STAG Elizabethtown, LLC						Delaware
STAG Fairborn, LLC						Delaware
STAG Garland, LP						Delaware
STAG Germantown, LLC						Delaware
STAG GI Investments Holdings, LLC						Delaware
STAG GI Streetsboro, LLC						Delaware
STAG Gloversville 1, LLC						Delaware
STAG Gloversville 2, LLC						Delaware
STAG Gloversville 4, LLC						Delaware
STAG Greer, LLC						Delaware
STAG Gurnee 2, LLC						Delaware
STAG Hampstead, LLC						Delaware
STAG Harvard, LLC						Delaware
STAG Houston 14, LP						Delaware
STAG Houston 2, L.P.						Delaware
STAG III Arlington, L.P.						Delaware
STAG III Boardman, LLC						Delaware
STAG III Malden, LLC						Delaware
STAG IND El Paso 6, LP						Delaware
STAG IND Houston 11, LP						Delaware
STAG IND Houston 9, LP						Delaware
STAG IND Mission, LP						Delaware
STAG IND Stafford, LP						Delaware
STAG Industrial GP, LLC						Delaware
STAG Industrial Holdings II, LLC						Delaware
STAG Industrial Holdings, LLC						Delaware
STAG Industrial Management, LLC						Delaware
STAG Industrial Operating Partnership, L.P.						Delaware
STAG Industrial TRS, LLC						Delaware
STAG Investments Holdings III, LLC						Delaware
STAG Investments Holdings IV, LLC						Delaware
STAG IV Waco, LP						Delaware

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Name						Jurisdiction of Formation/Incorporation
STAG Johnstown 2, LLC						Delaware
STAG Johnstown 3, LLC						Delaware
STAG Johnstown 4, LLC						Delaware
STAG Katy 2, LP						Delaware
STAG Katy, LP						Delaware
STAG Lancaster, LLC						Delaware
STAG Laurens, LLC						Delaware
STAG Lebanon, LLC						Delaware
STAG Livonia 1, LLC						Delaware
STAG Livonia 2, LLC						Delaware
STAG Machesney Park, LLC						Delaware
STAG Maryland Heights Investor, LLC						Delaware
STAG McHenry 2, LP						Delaware
STAG Mechanicsburg 1, LLC						Delaware
STAG Mechanicsburg 2, LLC						Delaware
STAG Mechanicsburg 3, LLC						Delaware
STAG Montgomery, LLC						Delaware
STAG Mooresville 2, LP						Delaware
STAG NC GP 2, LLC						Delaware
STAG NC GP, LLC						Delaware
STAG NC Holdings, LP						Delaware
STAG New Hope, LLC						Delaware
STAG North Haven, LLC						Delaware
STAG Norton, LLC						Delaware
STAG O’Hara, LLC						Delaware
STAG Omaha 4, LLC						Delaware
STAG Omaha 5, LLC						Delaware
STAG Piedmont 1, LLC						Delaware
STAG Piedmont 2, LLC						Delaware
STAG Piedmont 3 LLC						Delaware
STAG Pineville, LLC						Delaware
STAG Plymouth 3, LLC						Delaware
STAG Portage, LLC						Delaware
STAG Reading, LLC						Delaware
STAG Reno JV, LLC						Delaware
STAG Reno, LLC						Delaware
STAG Rock Hill 2, LLC						Delaware
STAG Rockwall, LP						Delaware
STAG Romulus 2, LLC						Delaware
STAG Ronkonkoma, LLC						Delaware
STAG Sauk Village, LLC						Delaware
STAG Shepherdsville Investor, LLC						Delaware
STAG Shepherdsville JV, LLC						Delaware
STAG Shepherdsville, LLC						Delaware
STAG Simpsonville, LLC						Delaware
STAG South Saint Paul, LLC						Delaware
STAG Sparks 2, LLC						Delaware
STAG Spartanburg 3, LLC						Delaware
STAG Spartanburg, LLC						Delaware
STAG Stoughton 1, LLC						Delaware
STAG Stoughton 2, LLC						Delaware
STAG TX GP 2, LLC						Delaware
STAG TX GP, LLC						Delaware
STAG TX Grapevine, LP						Delaware
STAG TX Holdings, LP						Delaware
STAG West Columbia 3, LLC						Delaware
STAG West Houston, LP						Delaware
STAG York, LLC						Delaware
STIR Investments GP III, LLC						Delaware

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Name						Jurisdiction of Formation/Incorporation
STIR Investments GP IV, LLC						Delaware
STIR Investments GP, LLC						Delaware