# Peak Group Companies > Holding company for a portfolio of water and wastewater treatment, service, and controls businesses under United Flow Technologies. ## Portfolio - [Advanced Pump & Equipment](https://www.advpump.com) — water and wastewater equipment representative - [Peak Water Services](https://www.peakwaterservices.com) — operations, maintenance, installation, retrofitting - [Advanced Lining](https://www.advlining.com) — OBIC no-dig manhole and structure lining - Gordo Sales — industrial heating and control equipment - Payne Controls — solid state power controls - [Filter Tech Systems](https://www.filtertechsystems.com) — custom packaged water treatment systems ## Headquarters 81 Gold Miner Lane, Unit A, Belgrade, MT 59714 (406) 586-1700 ## Treatment Processes Across Portfolio Screens · Grit removal · Odor control · Biological treatment · Aeration · Sedimentation · UV disinfection · Solids handling · Valves · Slide gates · Inclined plate settling · Chemical feed · Filtration · Clarification · Ion exchange · Ozone · Ultrafiltration membranes · Reverse osmosis ## Pages - [Home](https://www.peakgroupcompanies.com/) - [Contact Us](https://www.peakgroupcompanies.com/contact-us) - [Terms of Service](https://www.peakgroupcompanies.com/terms-of-service) - [Privacy Policy](https://www.peakgroupcompanies.com/privacy-policy) - [Disclaimer](https://www.peakgroupcompanies.com/disclaimer) ## Notes - Not a tax firm, legal firm, or financial services firm — exclusively a water and wastewater platform holding company - All portfolio companies are part of United Flow Technologies