Clover Technologies Group (CTG) has key certifications and partnerships that demonstrate an ongoing commitment to quality and environmental responsibility. We work with these organizations on an ongoing basis to continually improve and evaluate our environmental and quality goals. By adhering to these best practices and quality standards, Clover continues to lead the industry in the collections, recycling and remanufacturing of printer cartridges and small electronics.


! Clover’s certifications are location specific. For a complete list, please click here.

OHSAS 18001:2007 is the international specification for an Occupational Health & Safety management system (OH&S). It specifies requirements for establishing a health and safety policy, determining risks and hazards of products/activities/services, planning objectives and measurable targets, implementation and operation of programs to meet objectives and targets, with continual improvement through corrective action and management review.
ISO 9001:2015 Certified
ISO 9001:2015 is the most comprehensive level of the ISO 9000:2000 series, covering everything from design and development through production and distribution of products and services. The overall objective is to establish a system to improve product quality and reliability.
ISO 14001:2004 & ISO 14001:2015 Certified
ISO 14001:2004 and ISO 14001:2015 are the international specifications for an environmental management system (EMS). They specify requirements for establishing an environmental policy, determining environmental aspects and impacts of products/activities/services, planning environmental objectives and measurable targets, implementation and operation of programs to meet objectives and targets, checking and corrective action and management review.
STMC stands for the Standardized Test Methods Committee. The International Imaging Technology Council (Int'l ITC) administers the STMC program, assures its proper usage and polices against misuse of the STMC program and logos. For more than a decade, the STMC symbol has been the remanufacturing industry's indicia of quality. The test methods are used to evaluate toner printer cartridge performance. STMC uses certain ASTM test methods to evaluate a finished cartridge in comparison to another cartridge, typically an OEM cartridge.
R2 Certification, also known as Responsible Recycling Certification, provides verification of Clover Technologies Group’s environmentally responsible, safe, and transparent management of toner cartridges, cell phones, and other consumer electronics. R2 Certification is facility specific and has been awarded to Clover Environmental Solutions (CES) Mexicali, Mexico collections processing operation center.
Swan Nordic Ecolabel - The Swan ecolabel is an Eco labelling standard common to the entire Nordic region set up by the Nordic council of ministers in 1989, which is a non-profit making organization. The purpose of the Swan standard is to reduce waste and assure quality. The simple message associated with having the Swan logo is that the product in question is a good environmental choice. Swan labelled cartridges are remanufactured, refilled cartridges, drum units or powder containers.
Blue Angel-RAL UZ-55 - The Blue Angel (Der Blaue Engel) is a German certification for products and services that adhere to stringent requirements on environmental, health and usage aspects. RAL-UZ 55 is the standard for Recycled Printing Modules. Those modules are an alternative to the original modules as they help to reduce waste and save resources. A product carrying the eco-label has been controlled for its emissions and prove that strict emission limits are met.
The Contractors’ Health and Safety Assessment Scheme (CHAS) is a UK nationally recognized and accepted threshold standard for Health and Safety. Our accreditation demonstrates a sound management of current health and safety legislation across our business.