There are four classes of membership in PEARL:

• Full - voting members who have met all the qualifications and requirements of full membership.
  
• Service Organization - voting members who have met all the qualifications and requirements of full membership except the inventory requirement.
• Associate - non-voting members who have applied for full membership, but have not yet met all the requirements.
  
• Affiliate - non-voting members whose interests are closely identified with those of the industry and PEARL, but do not otherwise meet all the qualifications for full membership. Includes persons or entities that deliver products or services to the electrical industry.