Global Presence

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BioHygenic is a division of the NCH Corporation that provides a comprehensive range of drain hygiene products and services to customers through out the world. Designed to comply with the importance of using environmentally safe solutions that meet local regulations for waste water, BioHygenic provides the complete solution for drain hygiene in any building from industrial to institutional.

For each application area NCH offers a complete specialized solution, covering grease traps, effluent treatment, urinals, toilets, sinks and general drains.


Certified offers a wide range of maintenance and repair products that are manufactured at on-site facilities. This provides maximum quality control from development to manufacturing and delivery.

Certified is the leading provider of cost effective maintenance solutions while still maintaining the highest quality standards.

Our dedicated sales force will consult with you to understand your requirements and provide the best solution to address your needs. Our training and ongoing after sales service will ensure that you maximize your investment.

We are ready to serve your needs.


Chem-AquaChem-Aqua is a unique combination of knowledge, experience and stability. We specialize in providing custom designed water treatment programs for boiler, cooling, and process water systems. We help our customers minimize their energy, water, and maintenance costs while ensuring safe and reliable operation of these critical systems.

Chem-Aqua has the expertise and commitment to help solve virtually any water related problem. We maintain modern, well-equipped analytical laboratories and cutting edge research facilities. Our state-of-the-art products are manufactured to rigorous ISO 9001 specifications. Our field representatives are well trained and backed by some of the most experienced water treatment specialists in the business. Our Total System Approach allows us to provide custom water treatment solutions that will make a bottom line difference to your operation.

Chem-Aqua is the wholly owned water treatment subsidiary of NCH Corporation, a worldwide company that has been providing high-quality maintenance supplies, chemicals and services for more than 85 years. Our Corporate Offices are located in Irving, Texas, USA. We have over 25 manufacturing plants and distribution centers worldwide, and can provide custom water treatment solutions in over 28 countries in North and South America, Europe, and Asia.

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ChemsearchChemsearch has served its customers for nearly a century. In 1919, founder Milton P. Levy, Sr. recognized a business opportunity in the growing demand for specialty maintenance products and started National Chemsearch Disinfectant Company. As markets changed, so did the needs of the customer.

Chemsearch has become a leading global provider of Industrial and Commercial maintenance products. Even as this nearly century old organization has developed into a global presence in more than 55 countries, it still remains family-owned and focused. The Chemsearch philosophy has remained the same: to provide customers superior products and services.

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Chemsearch FE offers a variety of specialized solutions for a variety of customers. Serving for nearly 100 years, Chemsearch FE is a leader in products, technology and solutions for facility engineers.

  • Serving 49 countries around the world
  • Manufacturing in the US
  • Patented technologies found nowhere else
  • Local representatives in all 50 states

Our Customers count on Chemsearch FE to keep high-volume facilities functioning at peak performance. Chemsearch FE helps facility engineers get the most from their maintenance budgets in five key areas:

  • Water Treatment: through the care and maintenance of non-potable water systems such as boilers, cooling towers and closed-loop systems
  • Drain Maintenance: through chemical and biological drain line maintenance products and equipment including the award-winner BIO AMP®
  • HVAC: through products that improve energy efficiency and lower utility costs
  • Green Products: through our Green Advantage® line of DfE or EcoLogo™/Green Seal® approved products
  • Loading Dock Maintenance and Safety: the only national program aimed at this essential area of any facility featuring surface safety, drain maintenance, odor and pest control, spill containment and training.

DancoDanco is one of the largest plumbing repair, replacement and remodel suppliers in the home improvement industry. We are largely focused on empowering Do It Yourself consumers with affordable plumbing products and solutions which create new and refreshing d├ęcors for bathrooms and kitchens.

Danco was founded by Daniel P. Creed, who started the Daniel P. Creed Co. in 1933 in Pennsylvania. In the early 1970s, Danco was created as an arm of the Creed Co. In 1972, Daniel P. Creed Co. was purchased by NCH, a global supplier of maintenance, repair and supply products. NCH also purchased Aqua Plumbing, a company which sold under the brand Perfect Match. In 1995, the companies embarked on a strategic initiative to consolidate the brands and unify their operations and sales forces. Subsequently, Danco became the leading brand for consumer goods, and Perfect Match was added as a tagline to help unify the companies in the eyes of their joint customers.

KerniteThe legacy of Kernite and its associated companies dates back to 1919. They have grown to become global leaders in industrial, commercial and institutional products. Kernite has earned a world-class reputation as the authority in the maintenance industry with customers in over 50 countries.

With more than 250 products, Kernite can address any maintenance and repair requirement. All products undergo extensive field-testing and analysis to ensure performance meets or exceeds high standards. The Kernite team of chemists and scientists are dedicated to continuous product improvement and creating innovative solutions to meet every new challenge the market presents. Kernite chemical technology specialists focus on areas such as lubricants, degreasers, drain maintenance, floor finishes, coatings, cleaning and hygiene products. Kernite can address maintenance and repair needs for industrial, commercial and institutional users.

PartsmasterPartsmaster™ was born in 1968 as a division of NCH Corporation, a leading provider of industrial goods since 1919. Partsmaster offers thousands of solutions through numerous product lines developed especially for maintenance, repair and operations (MRO) applications. The Partsmaster brands include:

Retails Products Group was established in 1978 with a focus on pet care products. Today, RPG’s product assortment includes pet, household cleaning, baby, and other products sold in the US and Europe through multiple retail channels under several brand names. Brands sold through pet specialty retailers include Vet’s Best, Bags on Board, and Simple Solution. OUT! pet care products are sold in the pet department of discount and grocery stores, and Totally Toddler nursery care products can be found in toy and children’s specialty stores.

Supply Line Direct is a national distributor and online supercenter of safety supplies, janitorial supplies and shop and warehouse equipment. Located in the Dallas-Fort Worth area, Supply Line Direct serves business customers large and small across the United States.

The product lines available in our online catalog were selected to protect you, protect your business and protect your world. You protect yourself, employees, customers and visitors from harm and accidents. You protect your facility, vehicles and equipment with proper cleaning and maintenance. You protect your environment by complying with regulations and standards to guard against environmental hazards. Our goal is to make it easy for you to find and buy the supplies, kits, tools and gear that you need to protect your interests.

TERRA Services LLC is a wholly owned subsidiary of NCH Corporation, a worldwide company that has provided maintenance supplies, chemicals, and service since 1919. TERRA Services specializes in designing programs that determine the most effective and environmentally responsible solutions to reduce or eliminate the amount of many of the toxic or hazardous chemicals used in the hydraulic fracturing process. We are committed to providing the most innovative technology available to the oil and gas industry that complies with health and safety demands and meets Environmental Protection Agency (EPA) standards.

Where appropriate, TERRA Services partners with two sister companies that are part of the broader NCH Water, Oil & Gas portfolio. Chem-Aqua, Inc., provides innovative water treatment solutions to the manufacturing, commercial and municipal water industries. Chem-Aqua specializes in providing customized water treatment programs for boilers, cooling towers, and process water systems to help minimize their energy, water and maintenance costs. Chem-Aqua has over 60 years of expertise and commitment to help solve virtually any water related problem. X-Chem Inc., X-Chem offers leading-edge solutions for the maintenance, production, completion, and stimulation of oil wells & gas wells, plus Department of Transportation (DOT) compliant cathodic protection programs for gas pipelines.

LSP Products Group was founded in 1970 in California. The initial company, Specialty Products Company, began with the invention of the plastic outlet box, an innovative product that utilized injection molding technology. NCH acquired Specialty Products in 1978 and continued to build the company by acquiring other plumbing products businesses including Tech Specialties, Rapid-Fit, and Aqua-Flo. LSP continues to provide new innovative solutions to the residential construction market by offering the plumber and mechanical contractor products that make installation easy and effective.

ECO Bionics develops biological solutions to clean water and promote a healthy environment. Years of research has resulted in the BioAmp™, a patented technology that has revolutionized the delivery of bacteria! The BioAmp™ delivers blends of vegetative bacteria in massive quantities into wastewater, grease trap, pond, and turf applications, replenishing naturally occurring biological populations and reducing levels of FOG, TSS, and BOD.