Proven Technology That Disinfects & Protects


Tetra Tech Group's mission is to build a global company that provides life-saving biodefense products and services.

Our goal is to assist businesses in multiple areas of industry & service that are needing disinfectant and a protectant that meets or supersedes today's health & safety requirements. Our BioShield protectant utilizing electrostatic spray technology adhere's 360 degrees to any surface. Providing up to 90 days of certified protectant.

Tetra Tech's Zylast product line is a revolution in hand hygiene. Offering rapid, broad-spectrum kill of germs and persistence, Zylast has been tested in hospitals, nursing homes, and schools. With water-based and non-flammable options, Zylast is the perfect choice for any setting! The patented technology in Zylast was called a 'breakthrough innovation' by experts from the CDC, White House, USAID, and Pentagon in winning a prestigious award.

Zylast family of products was voted the 9 best hand soaps of 2021 

BioShield75 envirosystems patented technology for the elimination of harmful surface bacteria for up to 90 days!

Technology Built For Today

Antimicrobial Technology utilizing Electrostatic Spraying – We first disinfectant & sanitize with both EnviroSystems® 420-4 Green Kleen & EnviroSystems Sanitizer 440. (EPA REG. NO. 1839-86-53053 — has demonstrated effectiveness against viruses similar to 2019 novel coronavirus (SARS-CoV-2) on hard, non-porous surfaces. Therefore, this product can be used against SARS-CoV-2, the novel coronavirus that causes the disease COVID-19, when used in accordance with the directions for use against Adenovirus Type 5 on hard, non-porous surfaces.

Refer to the CDC website for additional information: 

This process will remove all cleaning product residues, leaving the surface properly prepared for the BioShield® application. After ensuring all surfaces are thoroughly dry, apply a coating of BioShield® by spraying BioShield®75 is odorless, colorless, and undetectable by touch. Once it’s dry, you will not smell it, see it, or be able to feel it. This is a unique formula that covalently bonds with most surfaces. When applied to a dry surface, it only take minutes to polymerize. These polymer chains are very difficult to break, and that’s why BioShield®75 lasts months on the surface.

Industries we service

Our headquarters are in Indianapolis, Indiana and we provide essential products and services to the entire state of Indiana.

  • Industrial

  • Churches

  • Restaurants

  • Warehouses

  • Universities

  • Distribution Centers

  • Government Buildings

  • Senior Care Facilities

  • Medical Facilities

  • Small Businesses