Certification Catalog 237 guides
Browse 237 certification guides across 11 domains — compare exam costs, difficulty, salary data and prep timelines before you commit.
Updated Jul 2026 ✓ Expert Reviewed
Filter by your domain and pick a Beginner or Associate level certification — they deliver the fastest salary ROI for newcomers.
Compare Two CertsShowing 88 certifications
COA
International Joint Commission on Allied Health Personnel in Ophthalmology (IJCAHPO)
220-1201,220-1202
CompTIA
American Red Cross or American Heart Association
American Heart Association or American Red Cross
American Red Cross, American Heart Association, Boston EMS group programs
American Red Cross / American Heart Association
American Red Cross, American Heart Association training providers
American Red Cross / American Heart Association
American Red Cross, American Heart Association, National CPR Foundation, authorized training centers
American Red Cross, American Heart Association, authorized training centers
American Red Cross / American Heart Association
American Red Cross
American Red Cross / American Heart Association training providers
SY0-701, CC, CISSP, CCSP, CISM, CEH
CompTIA, ISC2, Google, ISACA, EC-Council
NREMT EMT
National Registry of Emergency Medical Technicians
Food Handler, ServSafe Food Handler, state-approved food handler card
ServSafe, StateFoodSafety, eFoodHandlers, Learn2Serve, state and local health departments
Employer under OSHA 29 CFR 1910.178(l)
29 CFR 1910.178(l)
Employer under OSHA 29 CFR 1910.178(l); third-party training providers may support training
OSHA 29 CFR 1910.178(l)
Employer certification under OSHA powered industrial truck standard
Alison, Saylor Academy, HubSpot Academy, Google Skillshop, Coursera partners, Harvard Online, Stanford Online, Microsoft Learn and other course providers
Coursera, Stanford Online, Harvard Professional and Lifelong Learning, Alison, Google Career Certificates, and other online learning providers
Varies by certificate
Training provider or employer; HIPAA is enforced by HHS OCR and does not issue personal certificates