Mar-King Vac Truck Service is a locally owned and operated Merritt B.C. based company. Cariboo Septic Service is a division of Mar-King which services the Cache Creek, Ashcroft, Spences Bridge, Lytton, Lillooet, Savona and Clinton areas. Both companies are fully insured. We pride ourselves on providing the best possible customer service that we can and make sure the job is done right every time. Both Mar-King Vac Truck Service and Cariboo Septic Service provide vacuum truck services, portable toilet rentals and auger services for all your septic needs commercial or residential.