Certification Catalog 162 guides

All Professional Certifications

Browse 162 certification guides across 10 domains — compare exam costs, difficulty, salary data and prep timelines before you commit.

Updated Jun 2026 ✓ Expert Reviewed

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Filter by your domain and pick a Beginner or Associate level certification — they deliver the fastest salary ROI for newcomers.

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Showing 4 certifications in Quality Safety

✅ Quality, Safety & ISO Beginner

29 CFR 1910.178(l)

Employer under OSHA 29 CFR 1910.178(l); third-party training providers may support training

$46,390

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✅ Quality, Safety & ISO Beginner

U.S. Department of Labor / Occupational Safety and Health Administration Outreach Training Program

$46,050

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✅ Quality, Safety & ISO Intermediate

U.S. Department of Labor / Occupational Safety and Health Administration Outreach Training Program

$106,980

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✅ Quality, Safety & ISO Beginner

National Restaurant Association

$99 $65,310

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