Every fact below carries a source link and an as-of date. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- Eau Claire, Wis., as listed by ENR in the 2026 Top 500 Design FirmsSource: enr.com/toplists/2026-top-500-design-fi… · As of 2026-10-05
- Ownership type
- Employee-owned (ESOP): the DOL Form 5500 file lists an employee stock ownership plan, AYRES ASSOCIATES INC 2012 AMENDED AND RESTATED EMPLOYEE STOCK OWNERSHIP PLAN, for plan year beginning 2024-01-01Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-02
- Website
- ayresinc.comSource: ayresinc.com · As of 2026-10-11
Legal name, DBA and former names
- Ayres (name as shown on the firm's website)Source: ayresinc.com · As of 2026-10-11
Identifiers (UEI, state registrations)
- Texas TBPELS firm no. 3248.Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04
Ownership type
- Employee-owned (ESOP): the DOL Form 5500 file lists an employee stock ownership plan, AYRES ASSOCIATES INC 2012 AMENDED AND RESTATED EMPLOYEE STOCK OWNERSHIP PLAN, for plan year beginning 2024-01-01.Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-02
Licences (board records)
- Texas TBPELS roster lists AYRES ASSOCIATES INC (firm no. 3248, type NS, expires 2027-01-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04
DOT prequalification
- TxDOT Active Precertified Firms lists AYRES ASSOCIATES INC. with 5 areas of certification, renewal status MARCH 15, 2023 ( ACTIVE )Source: dot.state.tx.us/des/precert/precrt2.htm · As of 2026-10-05
ESOP plan data (Form 5500)
- DOL Form 5500 plan year beginning 2024-01-01: AYRES ASSOCIATES INC 2012 AMENDED AND RESTATED EMPLOYEE STOCK OWNERSHIP PLAN (ACK_ID 20251002180931NAL0001192496001), 386 active participants and total plan assets of $30,131,120 at year end.Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-02
Public filings
- DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: AYRES ASSOCIATES INC 2012 AMENDED AND RESTATED EMPLOYEE STOCK OWNERSHIP PLAN (ACK_ID 20251002180931NAL0001192496001, 386 active participants); AYRES ASSOCIATES INC. LONG TERM DISABILITY (ACK_ID 20250729154024NAL0003589569001, 361 active participants); AYRES ASSOCIATES INC. TERM LIFE INSURANCE PLAN (ACK_ID 20250729154119NAL0001745427001, 361 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-02
Rankings and awards
- Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi… · As of 2026-10-05
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.
