Laksana,95 Lily Publisher,69 Laskar Aksara,69 Labsas,54 Laboratorium sastra - Labsas Medan,49 Longman,40 Loveable,29 Lentera,29 Lontar Mediatama,23 Lkis,21 LPPM UHN PRESS,20 Light Publishing,19 LPPM Universitas HKBP Nomensen,18 LP3ES,17 Lembaran Daerah Kota Tanjung Balai,17 LITERINDO,16 Lazuardi Buku Utama,16 LEMBAR PUSTAKA INDONESIA,15 LKIS Yogyakarta,14 Laboratorium Sastra,11