When you hire our certified professionals, you know you’re accessing the most up-to-date research in the environmental industry from dedicated individuals who understand the value of continuous education. Each of our certifications require ongoing training to uphold. 

International Society of Arboriculture (ISA)

ISA Certified Arborists on Staff, ISA Members on Staff

The International Society of Arboriculture has served the tree care industry for over eighty years as a scientific and educational organization. ISA arborist certification is a nongovernmental, voluntary process by which individuals can document their base of knowledge. Certified Arborists are individuals who have achieved a level of knowledge in the art and science of tree care through experience and by passing a comprehensive examination developed by some of the nation’s leading experts on tree care. Why hire an arborist?

International Society of Arboriculture (ISA)

Charlie Rice #FL-6244A

ISA Tree Risk Assessment Qualified (TRAQ)

The ISA Tree Risk Assessment Qualification program provides an opportunity for professionals in the arboriculture industry to expand their knowledge through education and training in the fundamentals of tree risk assessment. This qualification promotes the safety of people and property by providing a standardized and systematic process for assessing tree risk. The results of a tree risk assessment can provide tree owners and risk managers with the information to make informed decisions to enhance tree benefits, health, and longevity.

Tree Care Industry Association

Tree Care Industry Association (TCIA), Member

Established in 1938, the Tree Care Industry Association is a trade association of more than 2,000 commercial tree care firms and affiliated companies. TCIA develops safety and education programs, standards of tree care practice, and management information for arboriculture firms around the world. 

Timber Operation Professionals (Top) Certified

Timber Operation Professionals (Top) Certified

#SFI-3490 & #SFI-3491

The Timber Operations Professional Program is the South Carolina Forestry Association’s commitment to raising the professional standard of timber harvesting. TOP is designed to improve safety, efficiency, and environmental protection.

Better Business Bureau

Better Business Bureau, A+ Accredited Business 

O.A.K. Services is a BBB Accredited Business with an A+ rating. An accredited business must build trust by establishing and maintaining a positive track record in the marketplace, honestly represent products and services, be transparent, honor promises, be responsive, and embody integrity.

Aiken Land Conservancy

Aiken Land Conservancy (ALC), Advisory Committee

The Aiken Land Conservancy is a private, non-profit organization dedicated to the preservation of open, undeveloped space in Aiken County, South Carolina.

Aiken Chamber of Commerce

Aiken Chamber of Commerce, Ambassador

O.A.K. Services is proud to be an Ambassador of the Aiken Chamber of Commerce.

Hitchcock Woods Foundation

Hitchcock Woods Foundation

We proudly support the Hitchcock Woods Foundation. Hitchcock Woods in Aiken, South Carolina, is among the largest urban forests in the nation, with about 2,100 acres of forestland resources.

Licensed & Insured

O.A.K. Services is fully licensed and insured including Commercial Auto Insurance, General Liability Insurance and Worker’s Comp Insurance. 


Thanks for all your hard work and for allowing my husband and I to be AWED by your expertise! We highly recommend O.A.K. for any tree removal.— Ethel W.