: Offers a wide variety of personal safety gear, including stun guns and diversion safes (items that look like everyday household products), alongside traditional spy gear. 2. Major Marketplaces

These retailers focus exclusively on security and investigative tools, often offering technical support and discreet shipping.

: Based in Nashville, they specialize in professional-grade gear for law enforcement and private investigators, including 4K covert camera kits and lock picks.

: A major international provider with physical locations in Poland and e-shops across Europe (UK, Germany, Czech Republic). They carry high-end countersurveillance tech and professional toolkits.