| A. K. Iversen A/S | 8920 | Randers NV |
| A/S Dansk Anodiserings Industri | 7700 | Thisted |
| A/S Gunnar Haagensen | 3450 | Allerød |
| A/S HAI Horsens | 8700 | Horsens |
| A/S J. Petersens Beslagfabrik | 9240 | Nibe |
| A/S Løgstrup Steel | 3490 | Kvistgård |
| A/S Metalcentret | 2600 | Glostrup |
| A/S Oilpower Hydraulics | 6700 | Esbjerg |
| A/S Secure | 3520 | Farum |
| AABO-IDEAL A/S | 5600 | Faaborg |
| AAG | Aalborg Gummivarefabrik A/S | 9400 | Nørresundby |
| Aalborg CSP A/S | 9000 | Aalborg |
| Aalborg Recycling ApS | 9220 | Aalborg Øst |
| AB Inventech A/S | 7430 | Ikast |
| ABC Industrigummi | 4100 | Ringsted |
| ABC-CLEAN ApS | 3490 | Kvistgård |
| ABJ METAL A/S | 6500 | Vojens |
| Accoat A/S | 3490 | Kvistgård |
| ACTEC A/S | 8940 | Randers SV |
| Acton A/S | 2665 | Vallensbæk Strand |
| Adding Engineering A/S | 9000 | Aalborg |
| Ahlsell Danmark | 2625 | Vallensbæk |
| Air Liquide Danmark A/S | 8700 | Horsens |
| Aircold Køleanlæg | 9210 | Aalborg SØ |
| Airtec A/S | 7620 | Lemvig |
| Aktive Energi Anlæg A/S | 7400 | Herning |
| Albjerg's Maskintec A/S | 5771 | Stenstrup |
| Alcumatic A/S | 6400 | Sønderborg |
| Alderslyst Elektro/ Vestjydsk Elektro A/S | 8600 | Silkeborg |
| Alflow Scandinavia A/S | 6600 | Vejen |
| ALPHA Containers A/S | 8000 | Aarhus C |
| Alticar ApS | 4622 | Havdrup |
| Alvibra A/S | 8700 | Horsens |
| Amada Denmark | 8700 | Horsens |
| Anders Høyer Transmissions (AHT) A/S | 8000 | Aarhus C |
| Anmasi A/S | 7200 | Grindsted |
| Annoncørbetalt indhold | 9220 | Aalborg Ø |
| Anticimex A/S | 2635 | Ishøj |
| AquaNife Europe ApS | 5450 | Otterup |
| Ara-El ApS | 4690 | Haslev |
| Arburg A/S | 2670 | Greve |
| Arcelormittal Commercial Denmark A/S | 2300 | København S |
| Arm-Tec Steelsupport A/S | 5792 | Årslev |
| Armatec A/S | 2600 | Glostrup |
| ArneCo - DA Group ApS | 2150 | København N |
| Arnold P. Bolte A/S | 2820 | Gentofte |
| Artlinco A/S | 8700 | Horsens |
| AS SCAN | 6960 | Hvide Sande |
| Atlanta Tradepower International ApS | 6800 | Varde |
| Auktionshuset dab A/S | 8361 | Hasselager |
| AVANT Danmark | 8670 | Låsby |
| AVEVA Select Scandinavia (formerly Wonderware) | 2750 | Ballerup |
| Avidenz A/S | 5250 | Odense SV |
| AVK GUMMI A/S | 8670 | Låsby |
| AVN Gruppen | 2605 | Brøndby |
| AVS Danmark ApS | 2640 | Hedehusene |
| AxFlow A/S | 2765 | Smørum |
| A/S Kurt Hansen | 5700 | Svendborg |
| AB Svejseteknik ApS | 8220 | Brabrand |
| AB Vandskæring A/S | 9530 | Støvring |