- Little Unicorns Daycare Ltd5Hospitals/Childcare/Caring PremisesCaerphillyNP12 3UZ
- Llanarth Club4Pub/bar/nightclubCaerphillyNP12 2LG
- Love to Bake by Danielle5Other catering premisesCaerphillyNP12
- Luk Ros Bungalows5Hospitals/Childcare/Caring PremisesCaerphillyNP12 3XB
- MERIGO Piri Piri4Takeaway/sandwich shopCaerphillyNP12 1PN
- Maes Manor Hotel5Hotel/bed & breakfast/guest houseCaerphillyNP12 0AG
- Markham & District Welfare Society2Pub/bar/nightclubCaerphillyNP12 0QE
- Markham Community House & Sport Centre5Other catering premisesCaerphillyNP12 0QX
- Markham Playgroup Ltd5Hospitals/Childcare/Caring PremisesCaerphillyNP12 0QH
- Markham Primary Canteen5School/college/universityCaerphillyNP12 0QD
- Marmaris Kebab House5Takeaway/sandwich shopCaerphillyNP12 3UB
- Maxime Cinema5Pub/bar/nightclubCaerphillyNP12 1AH
- Mayberry PharmacyExemptRetailers - otherCaerphillyNP12 1AA
- McDonalds5Restaurant/Cafe/CanteenCaerphillyNP12 0NT
- McKenzies Cafe5Restaurant/Cafe/CanteenCaerphillyNP12 1AA
- Meow'sAwaitingTakeaway/sandwich shopCaerphillyNP12 1HN
- Midshire Catering Services at Nordam5Restaurant/Cafe/CanteenCaerphillyNP12 2EU
- Mighty Oaks Blackwood Ltd5Hospitals/Childcare/Caring PremisesCaerphillyNP12 1WA
- Millbrook Residential Home5Hospitals/Childcare/Caring PremisesCaerphillyNP12 2JU
- Moggridge Arms5Pub/bar/nightclubCaerphillyNP12 1AH
- Molly's Cupcakery5Retailers - otherCaerphillyNP12 2PG
- Montclaire Respite Home4Hospitals/Childcare/Caring PremisesCaerphillyNP12 1EF
- Moose International5Pub/bar/nightclubCaerphillyNP12 1HN
- Mount Pleasant Baptist Chapel5Other catering premisesCaerphillyNP12 1PR
- Mozzarella Fella4Mobile catererCaerphillyNP12
- My Mummy's Cakes5Restaurant/Cafe/CanteenCaerphillyNP12 3SP
- NISA5Retailers - otherCaerphillyNP12 0JU
- New City 2025 Limited3Takeaway/sandwich shopCaerphillyNP12 3UD
- New Red Chilli3Takeaway/sandwich shopCaerphillyNP12 1BA
- New Yummies4Takeaway/sandwich shopCaerphillyNP12 1AH
- Nicks4Restaurant/Cafe/CanteenCaerphillyNP12 1AU
- Noel's Family Butchers4Manufacturers/packersCaerphillyNP12 3UB
- Oakdale Christian Centre - Fareshare5Retailers - otherCaerphillyNP12 0LN
- Oakdale Community Centre – Warm Hub5Restaurant/Cafe/CanteenCaerphillyNP12 0NH
- Oakdale Garage Shop4Retailers - otherCaerphillyNP12 0LD
- Oakdale Manor Residential Home5Hospitals/Childcare/Caring PremisesCaerphillyNP12 0JJ
- Oakdale Pizza3Takeaway/sandwich shopCaerphillyNP12 0JU
- Oakdale Rugby Football Club4Pub/bar/nightclubCaerphillyNP12 0LR
- Oasis Christian Centre4Other catering premisesCaerphillyNP12 3LY
- One Stop5Retailers - supermarkets/hypermarketsCaerphillyNP123UE
- One Stop4Retailers - supermarkets/hypermarketsCaerphillyNP12 0PR
- One Stop5Retailers - supermarkets/hypermarketsCaerphillyNP12 2NP
- One Stop Cefn Forest5Retailers - supermarkets/hypermarketsCaerphillyNP12 3LZ
- PENMAEN POST OFFICE3Retailers - otherCaerphillyNP12 0DL
- PMG Catering at General Dynamics5Restaurant/Cafe/CanteenCaerphillyNP12 4AD
- Parsons4Retailers - otherCaerphillyNP12 0JU
- Pengam Constitutional Club5Pub/bar/nightclubCaerphillyNP12 3XW
- Pengam Curry Ltd3Restaurant/Cafe/CanteenCaerphillyNP12 3TB
- Pengam Primary Canteen5School/college/universityCaerphillyNP12 3ST
- Penllwyn Primary Canteen5School/college/universityCaerphillyNP12 2NT