Every fact below links to its source. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- St. Louis, MissouriSource: gonzalezcos.com/aboutus
- Founded
- 1999, per the firm About pageSource: gonzalezcos.com/aboutus
- Ownership type
- Private equity backed: in 2023 Gonzalez Companies established a strategic partnership with Trilon Group; Trilon is backed by Alpine Investors; firm pages say Powered By TrilonSource: gonzalezcos.com/aboutus
- Sponsor or parent
- Firm About page: strategic partnership with Trilon Group in 2023; Trilon.com lists Gonzalez among partner firmsSource: gonzalezcos.com/aboutus
- Employees
- Over 200 experts / over 230 employees stated on firm pagesSource: gonzalezcos.com/aboutus
- Website
- gonzalezcos.comSource: gonzalezcos.com/aboutus
Legal name, DBA and former names
- Gonzalez Companies, LLC (ENR lists Gonzalez Cos. LLC)Source: gonzalezcos.com/aboutus
Identifiers (UEI, state registrations)
- Texas TBPELS firm no. 16626.Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
Offices
- 15 offices, per the firm About page.Source: gonzalezcos.com/aboutus
Ownership type
- Private equity backed: in 2023 Gonzalez Companies established a strategic partnership with Trilon Group; Trilon is backed by Alpine Investors; firm pages say Powered By Trilon.Source: gonzalezcos.com/aboutus
Sponsor, parent or transaction
- Firm About page: strategic partnership with Trilon Group in 2023; Trilon.com lists Gonzalez among partner firms.Source: gonzalezcos.com/aboutus
- Trilon home page lists Gonzalez among partner firms.Source: trilon.com
Employee count or band
- Over 200 experts / over 230 employees stated on firm pages.Source: gonzalezcos.com/aboutus
Services and markets
- Civil engineering and construction management.Source: gonzalezcos.com/aboutus
Leaders
- Barry P. Grant, President.Source: gonzalezcos.com/aboutus
- R. Patrick Judge, P.E., Chief Growth Officer.Source: gonzalezcos.com/aboutus
Deals
- 2023: strategic partnership with Trilon Group.Source: gonzalezcos.com/aboutus
Licences (board records)
- Texas TBPELS roster lists Gonzalez Companies, LLC (firm no. 16626, type NS, expires 2027-07-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
DOT prequalification
- TxDOT Active Precertified Firms lists GONZALEZ COMPANIES, LLC with 2 areas of certification, renewal status MARCH 17, 2023 ( ACTIVE )Source: dot.state.tx.us/des/precert/precrt5.htm
Public filings
- DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: GONZALEZ COMPANIES, LLC 401(K) PLAN (ACK_ID 20250818153258NAL0002790930001, 0 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…
Sources of record
- https://www.gonzalezcos.com/aboutus
- https://tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
- https://www.trilon.com/
- https://www.dot.state.tx.us/des/precert/precrt5.htm
- https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/public-disclosure/foia/form-5500-datasets
- https://www.enr.com/toplists/2026-top-500-design-firms-5
Ownership tag: Private equity backed. Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.
