Certifications and Partners

Certifications and Partners

National Association of Landscape Professionals

The National Association of Landscape Professionals (NALP) is a trade association that promotes business management skills and the profitability of its members’ businesses. NALP recognizes that the professional landscape contracting business is continually evolving and extremely competitive. NALP is directly responsible for national certification programs like the Certified Landscape Technician (CLT) and the Certified Landscape Professional (CLP).

Professional Landscape & Nursery Association (PLNA)

The Pennsylvania Landscape and Nursery Association enhances the success of its members through knowledge, advocacy, and promotion of the horticultural industry. PLNA administers the PCH exam as well as the CLT and CLP exams in Pennsylvania.

Pennsylvania Certified Horticulturist

The PCH exam is administered by the Pennsylvanian Landscape and Nursery Association (PLNA). The exam covers many topics including botany, plant health, plant characteristics, plant physiology, plant identification, and herbicide, fertilizer, and insecticide use. Professionals with the PCH certification are required to attend classes throughout the year to obtain continuing education credits.

Landscape Industry Certified Manager

The CLP exam is a national certification program administer by the National Association of Landscape Professionals (NALP). The exam covers a majority of business topics such a estimating, risk management, training, marketing, and finance. Professionals with the CLP certification are required to attend or teach classes throughout the year to obtain continuing education credits.

EP Henry Authorized Hardscape Contractor

EP Henry is recognized as a leader in the production of Concrete Pavers and Segmental Retaining Wall Block. With a wide variety of paver and wall products in a range of colors and textures, there is always a product to meet your needs. Garrett Churchill is proud to be associated with EP Henry and the commitment we have made to the industry in order to become recognized as an authorized contractor. Click the link to go to their home page and explore the products available.

Interlocking Concrete Paving Institute

The Interlocking Concrete Pavement Institute (ICPI) is a self-governed, self-funded, autonomous association representing the interlocking concrete pavement industry in North America. Membership is open to producers, contractors, suppliers, consultants and others who have an interest in the industry. As the industry voice, the membership represents a majority of the concrete paver production in North America.


Garrett Churchill maintains the following professional licenses:

  • Licensed Pennsylvania Home Improvement contractor PA001579
  • Licensed Pennsylvania Pesticide Applicator (Pesticide applicators license required by the Pa. Department of Agriculture for any company applying pesticides of any sort including round-up)
  • Nursery Dealer Certificate (required by State of Pennsylvania)



Garrett Churchill maintains the following insurance:

  • General Liability Insurance
  • Pesticide Application Insurance
  • Worker’s Compensation Insurance
  • Insurance for any purchasing and/or reselling plant material (via Department of Agriculture)