Every fact below links to its source. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- Ontario, CaliforniaSource: geo-logic.com/about-gla
- Founded
- 1991, per the firm's About GLA pageSource: geo-logic.com/about-gla
- Ownership type
- Employee-owned (firm statement): About GLA page states GLA is an employee-owned, multidisciplinary environmental, civil, and geotechnical engineering consulting firmSource: geo-logic.com/about-gla
- Sponsor or parent
- Firm statement of employee ownershipSource: geo-logic.com/about-gla
- Employees
- More than 450 employees, per the firm's About GLA pageSource: geo-logic.com/about-gla
- Website
- geo-logic.comSource: geo-logic.com/about-gla
Legal name, DBA and former names
- Geo-Logic Associates, Inc. (GLA)Source: geo-logic.com/about-gla
Identifiers (UEI, state registrations)
- ENR 2026 Top 500 Design Firms list entry Geo-Logic Associates Inc., Ontario, Calif.Source: enr.com/toplists/2026-top-500-design-fi…
Offices
- 34 offices in the U.S. and abroad, per the firm's About GLA page.Source: geo-logic.com/about-gla
Ownership type
- Employee-owned (firm statement): About GLA page states GLA is an employee-owned, multidisciplinary environmental, civil, and geotechnical engineering consulting firm.Source: geo-logic.com/about-gla
Sponsor, parent or transaction
- Firm statement of employee ownership.Source: geo-logic.com/about-gla
Employee count or band
- More than 450 employees, per the firm's About GLA page.Source: geo-logic.com/about-gla
Services and markets
- Environmental, civil and geotechnical engineering consulting.Source: geo-logic.com/about-gla
Leaders
- Gary Lass, PG, CEG, CHG, Chief Executive Officer / Chief Operating Officer.Source: geo-logic.com/company-leadership
- Nicole Sweetland, PHD, PG, President.Source: geo-logic.com/company-leadership
Public filings
- DOL Form 5500 plan year beginning 2024: GEO LOGIC ASSOCIATES, INC. (ACK_ID 20251105143324NAL0007722707001, 205 active participants), NAICS 541360.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
- Firm About page states GLA values remain as important today as when founded in 1991.Source: geo-logic.com/about-gla
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.
