local ai registry · agent view · /biz/oh/mayfield/national-testing-laboratories-mayfield-oh

# National Testing Laboratories

Corporate Campus — Mayfield, Ohio. Registry entry: https://localairegistry.com/biz/oh/mayfield/national-testing-laboratories-mayfield-oh

**AI Score: 20/100** (Poor, verified September 2, 2026) — methodology: https://localairegistry.com/methodology

## What AI assistants say (named by 0 of 1)

### ChatGPT — not named
Asked: "best corporate campus in Mayfield" (checked September 2, 2026)
> ChatGPT answered with other businesses; National Testing Laboratories was not mentioned.

### Perplexity: no answer on record
We have no answer from Perplexity to show.

### Gemini: no answer on record
We have no answer from Gemini to show.

## Known for

National Testing Laboratories excels in providing home water testing solutions, particularly through their drinking water test kits and specialized services like WaterCheck. However, customer experiences indicate variability in service reliability.

- Testing Water at Home
- Drinking Water Test Kits
- WaterCheck Services
- Nitrate Test Kits
- Fluoride Testing in Water

## What reviews say

> Not enough substantive reviews yet — the digital story for this business is still being written.

Bottom line: Not enough review detail to summarise confidently.

## Score breakdown

| Signal | Weight | Score /100 |
| --- | --- | --- |
| Retrieval grounding | 26% | 0 |
| Off-property attestation | 20% | 41 |
| AI visibility | 14% | 0 |
| Reviews & response | 12% | 8 |
| Backlink & citation authority | 8% | 60 |
| Google Business Profile | 8% | 67 |
| Speed & mobile | 7% | 53 |
| Content freshness & schema | 5% | 81 |

## Others on record in Mayfield

- Progressive Insurance Training Facility — AI Score 44
- Progressive Insurance — AI Score 42
- Watercheck — AI Score 21

National Testing Laboratories ranks 4 of 4 in its category here.

## Facts

- Address: 6671 Wilson Mills Rd, Mayfield, OH 44143, USA
- Phone: (440) 449-2525
- Website: watercheck.com

## Questions

### Where is National Testing Laboratories located and what is their address?
National Testing Laboratories is located at 6671 Wilson Mills Rd, Mayfield, OH 44143, USA.

### How can customers get in touch with National Testing Laboratories and arrange a visit?
Customers can contact National Testing Laboratories by phone at (440) 449-2525 or visit their website at https://watercheck.com/ for more information.

### What do customers consistently mention in their reviews about National Testing Laboratories?
Customers have mentioned that the business provides quick results and offers an easy-to-understand list of contaminants tested, although some have experienced issues with reliability and customer service.

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Source: Local AI Registry (https://localairegistry.com). The registry re-checks every entry.