About Us
Starting in the late 1920’s and continuing through the 1950’s, John Kostelac Sr. and his sons ran large stock farms. Food waste was collected from local restaurants and hotels, and then cooked in huge tanks. Grease was skimmed off and made …
We Pay For Grease
At KGS we use experienced brokers to determine the top market price for your used grease, allowing our customers to receive top dollar. Other companies will force the customer into signing a contract for a number of years, locking them in at …
Request a Pickup
Kostelac Grease Service is always ready for your next pickup. We are available 24 hours a day, 7 days a week, 365 days a year. Our business is always open and ready for your call. Fill out the form below to request a pickup at your location …
Used Cooking Oil Pickup
Kostelac Grease Service has recycled used cooking oil for the greater St Louis area for over 90 years. Through our dedication to service, our strong track record of on-time pick ups, and our concern for the rendering industry and the environment, …
High Pressure Line Jetting
KGS offers High Pressure Line Jetting to help prevent any downtime or expensive clogs due to grease buildup in drain lines leading to and from your restaurant’s grease trap. Line jetting is the process of using high pressure water to unclog …
Grease Trap Pumping
A grease trap prevents grease and food solids from entering the sanitary sewer system, where it can cause expensive clogs. It captures all of the waste deposited in the drain in the primary separation basin. Because the grease is lighter than …
Power Washing
At Kostelac Grease Service we understand that sometimes your restaurant’s bulk bin area can get a little messy due to trash and grease spills. KGS offers power washing for our customers to guarantee that your business will always look its …
Collecting Bones & Fat
Rendering is the oldest primary example of recycling. It is very important to our ecology and essential to public health. Kostelac Grease Service is proud to render animal by-products from local institutions. The bones and fats are collected …
Kitchen Hood Cleaning
In order to keep your kitchen operating smoothly, Kostelac Grease Service offers kitchen hood cleaning for its customers. Over time, grease can build up in the exhaust system, which can lead to problems. Having your exhaust system cleaned …