GCT clients see a Return on Investment from

 as little as 1 day to 12 to 18 months.

24HR Hand Sanitizer


Regardless of the size & scope of your problem or need, GCT will help you find a solution that minimizes risk & maximizes your ROI quickly & safely.

​​The SafeScience® Six... steps to protect people and the schools and facilities where you work (download)


Fitness-Athletics-Sports-Tactical, SafeScience keeps athletes, LE, Fire, EMS & military healthy using high efficacy, non-toxic products.

we protect you

F.a.s.t. division

Development of the SafeScience® green cleaning portfolio began in 1997 in Boston and today with almost 20 years of experience, GCT has become leading providers for our custom Integrated Technology Systems ("ITS") to safely and cost effectively create, distribute and provide the best products and solutions for all Surfaces and Indoor Air cleaning and disinfecting. "ITS" improves the health of people and facilities!

Finally a hand sanitizer that lasts all day long, even w/hand washing & under gloves. Eliminate the dry skin associated w/alcohol sanitizers.

Knowledge is Power, and

understanding current trends

and green solutions makes us

all safer keeping our personal

environments health.