Gamajet Cleaning Systems Inc. produces tank cleaning systems and equipment. It displayed the GobyJet portable tank cleaning system at the 2011 Pumper & Cleaner Environmental Expo. For more information, call Gamajet Cleaning Systems Inc. at 877-426-2538 or visit http://www.gamajet.com

Williams Innovations LLC designs trailer connection systems. It displayed the TeleSwivel drop hitch and mounted pivoting hitch at the 2011 Pumper & Cleaner Environmental Expo. For more information, call Williams Innovations LLC at 888-835-7948 or visit https://www.teleswivel.com

GapVax manufactures industrial vacuum trucks and equipment. It displayed the HV-57 Hi-Dump vacuum truck at the 2011 Pumper & Cleaner Environmental Expo. For more information, call GapVax at 888-442-7829 or visit http://www.gapvax.com

Aries Industries manufactures closed-circuit TV inspection and rehabilitation equipment. It displayed the LETS lateral evaluation TV system at the 2011 Pumper & Cleaner Environmental Expo. For more information, call Aries Industries at 800-234-7205 or visit http://www.ariesindustries.com

Jetter Depot sells high-pressure cleaning nozzles. It displayed a turbo-driven nozzle at the 2011 Pumper & Cleaner Environmental Expo. For more information, call Jetter Depot at 678-549-2621 or visit http://www.jetterdepot.com

Perma-Liner Industries Inc. provides trenchless repair products and services. It introduced the Top Gun continuous air inversion system at the 2011 Pumper & Cleaner Environmental Expo. For more information, call Perma-Liner Industries Inc. at 866-336-2568 or visit http://www.perma-liner.com

Spartan Tool LLC manufactures sewer and drain cleaning equipment. It introduced the PROvision Touch camera inspection system at the 2011 Pumper & Cleaner Environmental Expo. For more information, call Spartan Tool LLC at 800-435-3866 or visit http://www.spartantool.com

StoneAge Inc. produces tools and equipment for water-blast cleaning. It introduced the Warthog WGMP cleaning nozzle at the 2011 Pumper & Cleaner Environmental Expo. For more information, call StoneAge Inc. at 866-795-1586 or visit http://www.sewernozzles.com

POSM Soft LLC is a pipeline data collection software company. It introduced the RST OmniEYE 360 inspection system with Panomorph software at the 2011 Pumper & Cleaner Environmental Expo. For more information, call POSM Soft LLC at 859-274-0041 or visit http://www.posm.us

Sewer Equipment Company of America manufactures and services sewer cleaning equipment and supplies. It introduced the 800-HRP truck jet with Eco Jet System at the 2011 Pumper & Cleaner Environmental Expo. For more information, call Sewer Equipment Company of America at 800-323-1604 or visit http://www.sewerequipment.com