PATTERSON & DEWAR ENGINEERS, INC. is a South Carolina corporation, registered on September 19, 1966. The company is currently listed as active on the South Carolina register, is registered under company number 369558 and carries EIN 580676787. Its E-Verify enrollment reports a workforce of 100 to 499 employees, hiring at 2 sites across 2 states. Public records for the company include 1 SoS registration, 3 permits, 14 licenses, 3 federal contracts, 4 H-1B filings, 2 E-Verify records and 16 Form 5500 filings. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | PATTERSON & DEWAR ENGINEERS, INC. |
|---|---|
| Registration state | South Carolina |
| Status | Active |
| Formed in | Georgia (foreign registration) |
| Home company | PATTERSON & DEWAR ENGINEERS, INC. · Active |
| Registered | 19 September 1966 (almost 60 years ago) |
| Entity type | Corporation |
| Standing | compliant |
| Company number | 369558 |
| EIN | 580676787 |
| LEI | 549300IROHHSK11NVR53 |
| Employees (modeled) | ≈576 employees2024 |
| Workforce size | 100 to 499 employees · updated 2 March 2021 |
| Hiring sites | 2 sites across 2 states |
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| H-1B filings | 4 LCA filings, FY 2013–2016 |
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| Registered agent | NATIONAL CORPORATE RESEARCH, LTD |
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| Source registry | South Carolina Secretary of State · updated 15 June 2026 |
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| Public records | 1 SoS registration |
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| Est. revenue (modeled) | $115.1M2024 |
|---|---|
| Federal contractor | Yes · 3 federal recipient records (SAM) |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South CarolinaTHIS | PATTERSON & DEWAR ENGINEERS, INC. | 1966-09-19 | NATIONAL CORPORATE RESEARCH, LTD | — | Active | |
Filing ID 369558 Jurisdiction Foreign · CorporationFormed in Georgia Principal address — Registered agent NATIONAL CORPORATE RESEARCH, LTD2 OFFICE PARK COURT SUITE 103, COLUMBIA, SC, 29223 Officers Not reported | ||||||
| Alabama | Patterson & Dewar Engineers, Inc. | 1984-11-13 | COGENCY GLOBAL INC | — | Active | |
| Arkansas | PATTERSON & DEWAR ENGINEERS, INC. | 2007-04-09 | COGENCY GLOBAL INC | JEFFERY WOMACKOfficerJULIA DIRUSSOOfficer2 more | Active | |
| Arizona | PATTERSON & DEWAR ENGINEERS, INC. | 2007-09-05 | Cogency Global Inc | Michael BryanDirector, OfficerJeffery WomackOfficer, Director3 more | Active | |
| California | PATTERSON & DEWAR ENGINEERS, INC | 2006-02-24 | COGENCY GLOBAL INC | Jeffery WomackDirector, OfficerAaron WyskoDirector, Officer5 more | Active | |
| Colorado | Patterson & Dewar Engineers, Inc. | 2009-12-02 | COGENCY GLOBAL INC | — | Active | |
| Connecticut | PATTERSON & DEWAR ENGINEERS, INC. | 2016-07-27 | COGENCY GLOBAL INC | Julia DiRussoOfficerStanley Mark WicheltDirector5 more | Active | |
| Florida | PATTERSON & DEWAR ENGINEERS INC | 1965-12-17 | COGENCY GLOBAL INC | Brandon SedgwickOfficerJeffery WomackOfficer6 more | Active | |
| Georgia | PATTERSON & DEWAR ENGINEERS, INC. | 1956-12-31 | Cogency Global Inc | Michael BryanOfficerMIKE BRYANOfficer1 more | Active | |
| Iowa | PATTERSON & DEWAR ENGINEERS, INC. | 2009-12-02 | COGENCY GLOBAL, INC | JEFFREY WOMACKOfficerANITA ATKINSONDirector3 more | Active | |
| Illinois | PATTERSON & DEWAR ENGINEERS, INC. | 2006-02-02 | COGENCY GLOBAL INC | — | Active | |
| Indiana | PATTERSON & DEWAR ENGINEERS, INC. | 2014-08-04 | COGENCY GLOBAL INC | ANITA ATKINSONOfficerJULIA DIRUSSOOfficer3 more | Active | |
| Kansas | PATTERSON & DEWAR ENGINEERS, INC. | 2007-10-03 | COGENCY GLOBAL INC | — | Active | |
| Kentucky | PATTERSON & DEWAR ENGINEERS, INC. | 1987-03-09 | COGENCY GLOBAL INC | Michael BryanDirector, OfficerBrandon SedgwickDirector, Officer11 more | Active | |
| Louisiana | PATTERSON & DEWAR ENGINEERS, INC. | 2006-07-31 | COGENCY GLOBAL INC | ANITA ATKINSONDirector, OfficerJEFFERY WOMACKDirector, Officer3 more | Active | |
| Maryland | PATTERSON & DEWAR ENGINEERS, INC | 2013-11-22 | COGENCY GLOBAL INC | — | Active | |
| Michigan | PATTERSON & DEWAR ENGINEERS, INC. | 2019-03-05 | COGENCY GLOBAL INC | — | Active | |
| Missouri | PATTERSON & DEWAR ENGINEERS, INC. | 2015-05-28 | COGENCY GLOBAL INC | Anita AtkinsonDirector, OfficerJeffery WomackOfficer, Director4 more | Active | |
| Mississippi | PATTERSON & DEWAR ENGINEERS, INC. | 1987-02-09 | Cogency Global Inc | Julia DiRussoOfficerBrandon SedgwickDirector, Officer3 more | Active | |
| North Carolina | Patterson & Dewar Engineers, Inc. | 1987-03-09 | — | COCKRELL, ANTONIOOfficer | Active | |
| North Dakota | Patterson & Dewar Engineers, Inc. | 2025-10-21 | COGENCY GLOBAL INC | — | Active | |
| Nebraska | PATTERSON & DEWAR ENGINEERS, INC. | 2006-01-23 | C T CORPORATION SYSTEM | VIVIAN L MCNEALDirector, OfficerJERRY B FRANKLINDirector3 more | Inactive | |
| Nebraska | PATTERSON & DEWAR ENGINEERS, INC. | 2014-10-09 | COGENCY GLOBAL INC | DANIEL PARKEROfficer, DirectorMICHAEL BRYANDirector, Officer15 more | Active | |
| New Mexico | PATTERSON & DEWAR ENGINEERS, INC. | 2016-01-22 | COGENCY GLOBAL INC | Jeffery WomackDirector, OfficerRICHARD RUSHDirector16 more | Active | |
| Nevada | PATTERSON & DEWAR ENGINEERS INC. | 2006-05-11 | COGENCY GLOBAL INC.* | Michael BryanOfficer, DirectorBrandon SedgwickOfficer, Director3 more | Active | |
| Ohio | PATTERSON & DEWAR ENGINEERS, INC. | 2017-08-17 | COGENCY GLOBAL INC | — | Active | |
| Oklahoma | PATTERSON & DEWAR ENGINEERS, INC. | 2008-10-27 | COGENCY GLOBAL, INC | — | Active | |
| Oregon | PATTERSON & DEWAR ENGINEERS, INC. | 2014-05-22 | COGENCY GLOBAL INC | JEFFERY WOMACKOfficerMICHAEL BRYANOfficer | Active | |
| Pennsylvania | Patterson & Dewar Engineers, Inc. | 2014-06-09 | — | Brandon SedgwickDirector, OfficerJulia DiRussoOfficer, Director3 more | Active | |
| Rhode Island | Patterson & Dewar Engineers, Inc. | 2012-03-06 | COGENCY GLOBAL INC | ANITA ATKINSONDirectorJEFFREY WOMACKDirector3 more | Active | |
| South Dakota | PATTERSON & DEWAR ENGINEERS, INC. | 2009-12-03 | COGENCY GLOBAL INC | — | Active | |
| Tennessee | PATTERSON & DEWAR ENGINEERS, INC. | 1987-02-26 | COGENCY GLOBAL INC | — | Active | |
| Texas | PATTERSON & DEWAR ENGINEERS, INC. | 1998-09-08 | COGENCY GLOBAL INC | VIVIAN MCNEALDirector, OfficerDANIEL PARKEROfficer, Director2 more | Active | |
| Virginia | PATTERSON & DEWAR ENGINEERS, INC. | 2009-12-07 | COGENCY GLOBAL INC | Julia DiRussoOfficerAnita AtkinsonOfficer3 more | Active | |
| Washington | PATTERSON & DEWAR ENGINEERS, INC. | 2007-08-01 | COGENCY GLOBAL INC | Julia DiRussoDirectorJeffery WomackDirector3 more | Active | |
| Wyoming | Patterson & Dewar Engineers, Inc. | 2025-10-23 | COGENCY GLOBAL INC | — | Active | |
Companies and people linked to PATTERSON & DEWAR ENGINEERS, INC. in the state registers through shared officers, a shared registered agent, shared filing contacts or a shared address. Service companies file for many unrelated businesses — a shared agent, address or contact alone does not prove affiliation.
company person group former role
Browse the indexed registries by state, or look up any debtor name free, at UCC lien search.
| State | Permit | Issued | Type | Location | Status | |
|---|---|---|---|---|---|---|
| Arizona | PMT26-05468 | 2026-07-23 | COM | — | Issued | |
| Arizona | PMT26-04526 | 2026-05-27 | COM | — | Issued | |
| Arizona | PMT24-15435 | 2024-09-26 | COM | — | C of C Issued | |
| State | License / ID | Type | Issued | Status | |
|---|---|---|---|---|---|
| Connecticut | — | — | 2026-07-01 | ACTIVE | |
| Nevada | 2017303423 | Contractor | 2007-10-12 | Revoked | |
| — | — | — | — | INACTIVE | |
| — | — | — | — | INACTIVE | |
| — | — | — | — | INACTIVE | |
| — | — | — | — | EXPIRED | |
| — | — | — | — | EXPIRED | |
| — | — | — | — | EXPIRED | |
| — | — | — | — | EXPIRED | |
| — | — | — | — | INACTIVE | |
| Case | Filed | Job title | Wage | Worksite | Status | |
|---|---|---|---|---|---|---|
| I-200-16103-564747 | 2016-04-12 | SUBSTATION ENGINEER (LEVEL II) | $78,900/yr | ADDISON | CERTIFIED | |
| I-200-16063-765919 | 2016-03-03 | SUBSTATION ENGINEER (LEVEL II) | $78,900/yr | ADDISON | CERTIFIED-WITHDRAWN | |
| I-200-16057-006326 | 2016-02-26 | SUBSTATION ENGINEER (LEVEL II) | $75,000/yr | ADDISON | DENIED | |
| I-200-13073-590182 | 2013-03-27 | SUBSTATION ENGINEER I (ENTRY LEVEL) | $60,000/yr | AMARILLO | CERTIFIED | |
| State | Workforce | Hiring sites | Enrolled | Industry | Status | |
|---|---|---|---|---|---|---|
| 2 states | 100 to 499 | 2 | 5/14/2008 | PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES (54) | Terminated | |
| 4 states | 100 to 499 | 4 | 7/13/2017 | PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES (54) | Open | |
Employee-benefit plan filings by PATTERSON & DEWAR ENGINEERS, INC. with the Department of Labor. Employee and revenue figures are modeled estimates derived from retirement-plan participant counts and industry ratios — not official headcount or reported revenue.
| Employees (modeled) | ≈576 · plan year 2024 |
|---|---|
| Est. annual revenue (modeled) | $115.1M |
| Retirement plan assets | $94.5M |
| Benefit plans | 401(k) plan on file |
| Filing history | 26 plan years filed, 1999–2024 |
| Sponsor EIN | 58-0676787 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2024 | ≈576 | 328 (518 active) | $94.5M | $115.1M | 401(k) | |
| 2023 | ≈287 | 307 (258 active) | $79.6M | $76.9M | 401(k) | |
| 2022 | ≈236 | 279 (212 active) | $65M | $65.5M | 401(k) | |
| 2021 | ≈214 | 267 (193 active) | $73.8M | $60.5M | 401(k) | |
| 2020 | ≈206 | 255 (185 active) | $61.4M | $57.6M | 401(k) | |
| 2019 | ≈191 | 246 (172 active) | $52.3M | $51.4M | 401(k) | |
| 2018 | ≈191 | 226 (172 active) | $42.6M | $48.3M | 401(k) | |
| 2017 | ≈464 | 367 (418 active) | $42.4M | $67.2M | 401(k) | |
| 2016 | ≈156 | 206 (140 active) | $34M | $36.7M | 401(k) | |
| 2015 | ≈166 | 196 (149 active) | $28.6M | $37.2M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| PATTERSON & DEWAR ENGINEERS, INC. PROFIT SHARING PLAN | — | — | — | |
| PATTERSON & DEWAR ENGINEERS, INC. PROFIT SHARING PLAN | — | — | — | |
| PATTERSON & DEWAR ENGINEERS, INC. PROFIT SHARING PLAN | — | — | — | |
| PATTERSON & DEWAR ENGINEERS, INC. PROFIT SHARING PLAN & TRUST | — | — | — | |
| PATTERSON & DEWAR ENGINEERS, INC. PROFIT SHARING PLAN | — | — | — | |
| PATTERSON & DEWAR ENGINEERS, INC. PROFIT SHARING PLAN | — | — | — | |
| PATTERSON & DEWAR ENGINEERS, INC. PROFIT SHARING PLAN & TRUST | — | — | — | |
| PATTERSON & DEWAR ENGINEERS, INC. PROFIT SHARING PLAN | — | — | — | |
| PATTERSON & DEWAR ENGINEERS, INC. PROFIT SHARING PLAN | — | — | — | |
| PATTERSON & DEWAR ENGINEERS, INC. PROFIT SHARING PLAN & TRUST | — | — | — | |
Federal court records load when you reach this section.
Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-07-29. Document getpalm-companies/7408-7857-4915.