Primera Engineers Ltd.: Ownership, HQ and Public Records

Every fact below links to its source. Informational only. Ownership statements are limited to primary announcements and filings.

Headquarters: Chicago, IllinoisSource: primeraeng.com/contact
Founded: 1987Source: primeraeng.com/about-us/history
Ownership type: Employee-owned (ESOP) and certified women-owned business enterprise (WBE): DOL Form 5500 lists Primera Engineers ESOP Plan (NAICS 541330); firm About pages state WBE; history page states co-founders sold the firm in March 2016 to Erin InmanSource: primeraeng.com/about-us
Sponsor or parent: DOL Form 5500 evidences the ESOP (ACK_ID 20251008072339NAL0002827267001, 313 active participants). History: March 2016 sale to Erin InmanSource: primeraeng.com/about-us/history
Employees: Nearly 400 employees spread across 25 states; About page also states more than 350 talented professionalsSource: primeraeng.com/contact
Website: primeraeng.comSource: primeraeng.com/about-us

Legal name, DBA and former names

Primera Engineers, Ltd. (Primera)Source: primeraeng.com/about-us

Identifiers (UEI, state registrations)

Texas TBPELS firm no. 15646, 20286.Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip

Ownership type

Employee-owned (ESOP) and certified women-owned business enterprise (WBE): DOL Form 5500 lists Primera Engineers ESOP Plan (NAICS 541330); firm About pages state WBE; history page states co-founders sold the firm in March 2016 to Erin Inman.Source: primeraeng.com/about-us

Sponsor, parent or transaction

DOL Form 5500 evidences the ESOP (ACK_ID 20251008072339NAL0002827267001, 313 active participants). History: March 2016 sale to Erin Inman.Source: primeraeng.com/about-us/history
DOL ESOP filing.Source: dol.gov/agencies/ebsa/about-ebsa/our-ac…

Employee count or band

Nearly 400 employees spread across 25 states; About page also states more than 350 talented professionals.Source: primeraeng.com/contact

Services and markets

Buildings, transportation and utilities engineering design and consulting including MEP, structural, civil and telecommunications.Source: primeraeng.com

Leaders

Erin Inman named on firm history page as purchaser in March 2016.Source: primeraeng.com/about-us/history

Deals

March 2016: co-founders sold the firm to Erin Inman (then Utilities Division Manager)Source: primeraeng.com/about-us/history

Licences (board records)

Texas TBPELS roster lists Primera Design Associates, LLC (firm no. 15646, type NS, expires 2026-11-30); Primera Engineers, Ltd. (firm no. 20286, type NS, expires 2026-11-30)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip

DOT prequalification

TxDOT Active Precertified Firms lists PRIMERA ENGINEERS, LTD. with 24 areas of certification, renewal status MARCH 24, 2023 ( ACTIVE )Source: dot.state.tx.us/des/precert/precrt10.htm

ESOP plan data (Form 5500)

DOL Form 5500 plan year beginning 2024-01-01: PRIMERA ENGINEERS ESOP PLAN (ACK_ID 20251008072339NAL0002827267001), 313 active participants and total plan assets of $2,974,144 at year end.Source: dol.gov/agencies/ebsa/about-ebsa/our-ac…

Public filings

DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: PRIMERA ENGINEERS ESOP PLAN (ACK_ID 20251008072339NAL0002827267001, 313 active participants); PRIMERA ENGINEERS 401K PLAN (ACK_ID 20251009123717NAL0011465872001, 326 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac…

Rankings and awards

Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi…

News timeline

2026-10-02 firm news teaser: Erin Inman Honored with March of Dimes Professional Services Award.Source: primeraeng.com

Sources of record

Ownership tag: Employee-owned (ESOP). Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.