$150,000
Aug 24, 2026
Contractor profile / Chicago
Follow permit changes ＋NATIONAL PIPING SYSTEM, INC
Explore 6 Chicago work permits naming NATIONAL PIPING SYSTEM, INC, Jul 23, 2026–Oct 29, 2026. Reported roles and job estimates cover the dates shown.
Recorded contractor roles: CONTRACTOR-PLUMBER/PLUMBING.
Permits describing work6
Latest issued / readyOct 29, 2026
Typical reported estimate$216,359
Largest reported estimate$1,600,000
Prospect research
Save to my prospects ＋1 work permits in the last 30 days · 4 in 90 days · Latest Oct 29, 2026
Source roles CONTRACTOR-PLUMBER/PLUMBING
Counts include permits naming this company. Administrative changes, unclear work descriptions and withdrawn records are excluded. Permit issue dates show filing activity; they do not establish construction progress or buying intent. Source work descriptions may differ from the categories shown below.
Activity in this coverage
Jul 23, 2026 — Oct 29, 2026 · Positive reported estimates: 6 of 6 work permits. Typical means the median of those estimates.
| Issue year | Work permits | With estimates | Reported estimates |
|---|---|---|---|
| 2026 | 6 | 6 | $2,682,718 |
Each permit counts once, even when a company has several roles. Estimates describe the whole permitted job; they are not company revenue or contract values. 0 administrative or unclear-scope records excluded from these totals. These figures cover the dates shown above and may not include all of the company's work.
Business contacts & licenses
Last checked Nov 2, 2026 · City trade-license register. City says current as of Monday, November 02, 8:00 AM.
Name matches a City register entry · compare the business address to confirm the company.
NATIONAL PIPING SYSTEM, INC
42W227 SILVER GLEN RD, ST CHARLES, IL 60175
(773) 600-9842 ↗ Source ↗ · Checked Nov 2, 2026- Plumbing Contractor
- #SBC191719 · Listed active
- License expires: Sep 29, 2027
Business contact details come from the public city register. Name matching does not independently verify ownership, phone reachability, availability, insurance, or work quality.
Check the official trade-license register ↗Work represented
Older filings under this source name ↗Each permit is counted once by its primary category. A company's source role may cover only part of the work.
Also named on these permits
Custom Air Systems ↗6 shared work permits
Resa Construction ↗6 shared work permits
Texa Engineering ↗4 shared work permits
Texa Group Inc ↗2 shared work permits
Ciesla Construction Inc. ↗1 shared work permit
The source names these companies on the same permits. It does not establish who hired whom or a business partnership.
Permits in this coverage
Export CSV ↓1–1 of 1
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