From EQ2i, the EverQuest II wiki

Sewing Table and Mannequins are used by Carpenters and Tailors. They may be referred to as a "Loom" or simply a "Sewing table" in recipe books. In addition to each of the traditional tradeskill zones, free-standing looms can be found in the following locations:

[edit] Qeynos

North Qeynos: Clothespinners, Fhara's Furnishings, Sneed's Trading Post
South Qeynos: Maile's Exchange, Bag n'Barrel
The Elddar Grove: Antonica's House of Pottery
Qeynos Harbor: Outside, east of the bank, under an awning at ( 770, -20, -16 ) /waypoint 770, -20, -16

[edit] Freeport

North Freeport: Freeport Fine Clothiers
East Freeport: The Emporium
West Freeport: Fine Leather & Hide or Coalition Crafter's Association (POI) (the crafting area, not just the instance) at ( 29, -12, 106 ) /waypoint 29, -12, 106.
South Freeport: Block and Tackle ( -208, -56, 189 ) /waypoint -208, -56, 189

[edit] Faydwer

Kelethin: Tunare's Pages, a house marked ?Tailoring? on the map of the city
Steamfont Mountains: near Fizza Cogsworth
Loping Plains: Village of Somborn, next to Vinatori the Leather and Cloth merchant

[edit] Gorowyn/Timorous Deep

Timorous Deep: The Wards ( 2815, 121, 1250 ) /waypoint 2815, 121, 1250

[edit] Neriak

Neriak Down Under ( -177, -3, 286 ) /waypoint -177, -3, 286 and ( -178, 3, 334 ) /waypoint -178, 3, 334

[edit] Kunark

Teren's Grasp: Arcane Refuge (first building on your left as you enter the outpost via the ramp)
Fens of Nathsar: on Sathir's Span in one of the buildings

[edit] Other Zones

Haven: Ekroosik's Replicators at ( 61, -25, -172 ) /waypoint 61, -25, -172 and ( 64, -25, -183 ) /waypoint 64, -25, -183 (take a ladder up at ( 52, -31, -171 ) /waypoint 52, -31, -171)

Sewing Table & Mannequin