| SIA "Preiļu slimnīca" | 40003244761 | Human health activities |
| SIA "PREIĻU SAIMNIEKS" | 47703001720 | Electricity, gas, steam and air conditioning supply |
| SIA "Agrofirma "Turība"" | 47703000195 | Crop and animal production, hunting and related service activities |
| SIA "auto ADmin" | 41503055340 | Wholesale trade |
| SIA "AGROLATGALE PLUS" | 41502017356 | Retail trade |
| SIA "Zolva" | 41503024694 | Retail trade |
| SIA "TU LAUKI" | 41503019640 | Retail trade |
| SIA "VS TEKS" | 40003306135 | Manufacture of wearing apparel |
| SIA "AGRO ZVAIGZNĪTES" | 41503038105 | Wholesale trade |
| SIA "FIRMA JATA" | 50003149971 | Manufacture of wearing apparel |
| SIA "KONTAKTS-PREIĻI" | 47703001947 | Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials |
| SIA ražošanas komercfirma "VEGA P" | 40003255286 | Retail trade |
| SIA "SAL PLUS" | 41503058826 | Retail trade |
| SIA "Dija P" | 41503035823 | Retail trade |
| SIA "RENEM" | 41503035452 | Wholesale trade |
| SIA "TRANS SN" | 41502014307 | Land transport and transport via pipelines |
| SIA "Kankuļi Timber" | 41503065404 | Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials |
| SIA "Hi! Dog chews" | 41503077761 | Manufacture of food products |
| SIA PLATINUM SERVICE | 44103125368 | Services to buildings and landscape activities |
| SIA "ICJ" | 40203488756 | Wholesale trade |
| SIA "Arka Preiļi" | 41503011153 | Retail trade |
| SIA "CR PRO" | 51503053731 | Retail trade |
| SIA "VICARS" | 41503026905 | Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles |
| SIA "Picu Bode" | 41503061972 | Food and beverage service activities |
| SIA "AUTOCENTRS SALINIEKI" | 41503033786 | Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles |
| SIA "FOTON-D" | 41503043568 | Wholesale trade |
| SIA "ALBERTS GS" | 40003312682 | Construction of residential and non-residential buildings |
| AS "Preiļu siers" | 50003026431 | Manufacture of food products |
| SIA "SPERO SK" | 41503026341 | Retail trade |
| SIA "LĀZERS" | 47703001063 | Human health activities |
| SIA LK CARE | 41503081019 | Forestry and logging |
| SIA "Preime" | 41503026248 | Architectural and engineering activities; technical testing and analysis |
| SIA "Resurss Plus" | 41503025543 | Retail trade |
| SIA "CIRĪŠU HES" | 41503029437 | Electricity, gas, steam and air conditioning supply |
| SIA "LINDSTELL" | 40103241278 | Land transport and transport via pipelines |
| SIA "Celmeņi ASK" | 41503016076 | Retail trade |
| SIA "OTARS" | 47702000234 | Retail trade |
| SIA "SALANG-P" | 47703001650 | Specialised construction activities |
| SIA "GRIBOLVA" | 47701007964 | Crop and animal production, hunting and related service activities |
| SIA "CR" | 40003403021 | Construction of residential and non-residential buildings |
| SIA "Tevale" | 40103363789 | Computer programming, consulting and related activities |
| SIA "Labi Jumti" | 41503083857 | Retail trade |
| SIA "AJA 1" | 41503025308 | Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials |
| SIA "PREIĻU CELTNIEKS" | 41503024529 | Construction of residential and non-residential buildings |
| SIA "Asklēpijs Z" | 41503045342 | Human health activities |
| SIA "Volmārkoks" | 41503055637 | Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials |
| SIA "Latgales Finanšu Konsultācijas" | 41503043445 | Legal and accounting activities |
| SIA "RUŠONAS MUIŽA" | 41503039469 | Rental and leasing activities |
| SIA "PREIĻU AINAVA" | 41503015155 | Retail trade |
| SIA "LILĪ" | 51502007881 | Retail trade |
| SIA "Vietējā" | 41503032507 | Publishing activities |
| SIA "Roof trade" | 51503084981 | Specialised construction activities |
| SIA "PREIĻU KOKS" | 41503078818 | Forestry and logging |
| SIA "LAUKU TEHNIKA" | 47703000778 | Warehousing, storage and support activities for transportation |
| SIA "Traktorserviss Pieniņi" | 41503026426 | Warehousing, storage and support activities for transportation |
| SIA "PIE TORŅA" | 57702001551 | Retail trade |
| SIA "B Force Logistics" | 41503062412 | Wholesale trade |
| SIA "PREIĻU SANTEHNIĶIS" | 41503009801 | Specialised construction activities |
| SIA "Neitrino" | 41503033451 | Land transport and transport via pipelines |
| SIA "JEVGENIKO" | 41503082601 | Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials |
| SIA "HLG" | 41503036284 | Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials |
| SIA "PRIMO KK" | 41503052594 | Manufacture of food products |
| SIA "Ārstes Vaivodes prakse Preiļos" | 41503047292 | Public administration and defence; compulsory social security |
| SIA MAA Intelengineering | 41503071330 | Wholesale trade |
| SIA "Akotehnika" | 41503045696 | Wholesale trade |
| SIA "PREIĻU APTIEKA" | 41502011743 | Retail trade |
| "AV NAMI" SIA | 41503036104 | Real estate activities |
| SIA "AGLYUNA MUNA SĀTA" | 41503088695 | Food and beverage service activities |
| SIA "ARHI DEV" | 44103131824 | Office administrative, office support and other business support activities |
| SIA "Silini" | 40103815711 | Land transport and transport via pipelines |
| SIA "ISIDA NV" | 41503024228 | Warehousing, storage and support activities for transportation |
| SIA "Somerseta" | 40203377874 | Food and beverage service activities |
| SIA "SAU" | 47703000250 | Specialised construction activities |
| SIA "Anderwood" | 41503069603 | Forestry and logging |
| SIA "SBR" | 41503063066 | Manufacture of other non-metallic mineral products |
| SIA "ABAKS AA" | 41503050540 | Human health activities |
| SIA "VEKTOR" | 40203319289 | Specialised construction activities |
| SIA "Aglonas doktorāts-S" | 41503045323 | Public administration and defence; compulsory social security |
| SIA "OLŪTS" | 47701004489 | Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials |
| SIA "SĀTYS gaļa i dasys" | 41503077189 | Retail trade |
| SIA "EVRO WOOD" | 51503041681 | Construction of residential and non-residential buildings |
| SIA "Skay Montāža" | 45403052077 | Specialised construction activities |
| SIA "Volmārcentrs" | 41503082743 | Retail trade |
| SIA "NIS" | 41503050199 | Retail trade |
| SIA "M & M Co" | 41503018005 | Libraries, archives, museums and other cultural activities |
| SIA TMN Būve | 40103445591 | Specialised construction activities |
| SIA "Delcom" | 41503070570 | Specialised construction activities |
| SIA "NARLEKSS" | 41503032831 | Land transport and transport via pipelines |
| SIA "Leidzi" | 41503062268 | Architectural and engineering activities; technical testing and analysis |
| SIA "TF Universal" | 41503053180 | Forestry and logging |
| SIA "SERVISA CENTRS" | 40003094633 | Retail trade |
| SIA "SIMEDA" | 41503045361 | Human health activities |
| SIA "SAKO imports and services" | 40203110748 | Wholesale trade |
| SIA "ANIMĀLS P" | 41503026110 | Retail trade |
| SIA DŪŠAI | 41503065902 | Libraries, archives, museums and other cultural activities |
| SIA "RLUKSS" | 40203321387 | Services to buildings and landscape activities |
| SIA "Landscapes for Future" | 40002079726 | Electricity, gas, steam and air conditioning supply |
| SIA "KASO PLUS" | 41503067212 | Retail trade |
| SIA Rītausma D | 50203478181 | Accommodation |
| SIA "DGcars" | 41503070195 | Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles |